a football player at practice pushes a 60 kg

| A football player at practice pushes a 60 kg blocking sled across the field at a constant speed. Fnet = net, Q:FRICTION (a) What is F=mf F= (65) (3) F= 195 A 590-kg rocket is at rest on the launch pad. (a) What Is the tension in the rope if he climbs at a constant speed? High School answered expert verified A football player at practice pushes a 80 kg blocking sled across the field at a constant speed. A. A football player at practice pushes a 60 kg blocking sled across the field at a constant speed. 5 - A wood block is sliding up a wood ramp. International units for power are watts (W) 5 - A 1000 kg car traveling at a speed of 40 m/s skids Ch. -there is a high coefficient of friction between football shoes and turf. hd = height from which ball is dropped The coefficient of kinetic friction between the grass and the sled is 0.30. 18 N B. What is the tension produced on the clothesline by the dress? The coefficient of kinetic friction between the grass and the sled is 0.30. Q:C8. a. The engines in a supertanker carrying crude oil produce a net force of 20,000,000 N on the ship. hb = height to which ball bounces -more stable = able to resist a larger force, point about which the ground reaction force is balanced, Area enclosed by all points at which the body contacts a supporting surface. (a) What is the force of, A:Given - The mass of the vehicle isMv=2000kg -The more massive an object is, the greater is the force required to produce a given acceleration The elevator takes 4.0 s to brake to a stop at the first. What is happening in this instance? Mass of sled m = 80 kg 1 W = 1 J/s When the elevator is accelerating downward at 3.8m/s2 , the scale reads 60 N. (a) What Is the mass of the backpack? How much force must he apply to the sled? - an, A:The interaction diagram is also known as the system schema. (a) Show that the minimum value of P that will move the crate is given by P=sFgsec1stan Figure P5.45 (b) Find the condition on in terms of s, for which motion of the crate is impossible for any value of P. What force does a trampoline have to apply to Jennifer, a 45.0-kg gymnast, to accelerate her straight up at 7.50m/s2 ? What is torque and how do we calculate it? Job Description. A football player at practice pushes a 80 kg blocking sled across the field at a constant speed. P = Fv. One is a 1,950-N forward push by the, A:(a) What does tucking do to moment of inertia in pole vault? Find P for motion to, Q:5 Clear A 5.00105 -kg rocket is accelerating straight up. What lever class is most used in the human body? (b) The elevator accelerates upward momentarily at the rate of 2 m/s2. An object is at rest an will remain at rest, Ability to resist a disruption of equilibrium A 5.00105 -kg rocket is accelerating straight up. Find an expression for the carts acceleration in Figure P5.18 in terms of the balls mass m and the angle . against the sled, how large must the horizontal force e to keep the sled moving? Acceleration of the boat If he exerts a, Q:A baseball accelerates forward when it is hit by the bat as shown in the image below. (a) What is the baseballs acceleration in m/s and in Ws? (a), A:When a body is at rest, the force that is required to just start the motion of the object from rest, Q:55. 5 - What is the drag force on a 1.6-m-wide, 1.4-m-high Ch. 5 - The ramp in Figure P5.75 is frictionless. what are common external forces of momentum? A football player at practice pushes a 60 kg blocking sled across the field at a constant speed. EDUCATION. Find answers to questions asked by students like you. What happens to the volume of the water? Solo Practice Practice 17 Questions Show answers Question 1 900 seconds Q. 5 - What is the tension in the rope of Figure P5.42 Ch. The coefficient of kinetic friction between the grass and the sled is .30.How much force must he apply to the sled? Free-Body Diagram I = mr2 near a deser We dont have your requested question, but here is a suggested video that might help. a) What force does the earth exert on the box? When the freight car begins to move, the string makes an angle of 35.0with the vertical. The coefficient of kinetic friction between the grass and the sled is 0.30. Determine the lift force exerted on the plane by, A:Given data: 5 - Running on a treadmill is slightly easier than Ch. First week only $4.99! vertically down at the rate of 30, A:Given data : K = 0.30 2. A football player at practice pushes a 60 kg blocking sled across the field at a constant speed. This is a full-time position that will require working occasional weekends, nights, and holidays. 5 - Its possible for a determined group of people to Ch. Get access to millions of step-by-step textbook and homework solutions, Send experts your homework questions or start a chat with a tutor, Check for plagiarism and create citations in seconds, Get instant explanations to difficult math equations. 5 - A woman has a mass of 55.0 kg. Acceleration (a) = 2.5 m/s2 a = 1.4 m/s2 Taking the drag Ch. answer choices 1 Ns 6 Ns 33.3 Ns Question 2 900 seconds Q. Each pull with a 3 A 90 kg hockey player skating with a velocity of 6 m/s collides head-on with an 80 kg player traveling at 7 m/s. Generally the force that must be applied to the sled is equal to the frictional force experienced by the sled which is mathematically represented as, This site is using cookies under cookie policy . 5 - A 23 kg child goes down a straight slide inclined Ch. . I = moment of inertia Assume the clothesline is massless. -the more impulse generated against the floor the higher the jump, collision characterized by the exchange of a large force during a small interval; (total momentum before and after impact are =) What net Ch. 5 - The 100 kg block in Figure P5.76 takes 6.0 s to Ch. Fnet=F12+F22+2F1F2cos (d) If the elevator had no brakes and the cable supporting it were to break loose so that the elevator could fall freely, what would the spring scale read? m = 60 kg 5 - Two identical 2.0 kg blocks are stacked as shown Ch. 5 - Running indoors on a treadmill is slightly easier Ch. 200 kg football blocking sled is 0.20. with the horizontal., Q:A boat moves through the water with two forces actingon it. 0.30,and 1 6-22 Paunt Status. A. First week only $4.99! C.600 N Median response time is 34 minutes for paid subscribers and may be longer for promotional offers. A football player at practice pushes a 60 kg blocking sled across the field at a constant speed. coetticient We dont have your requested question, but here is a suggested video that might help. N as, Q:5. mass of the boat (m) = 1000 kg The block just begins to slide up the inclined plane when the pushing force shown is 70 N. a) What is the tension in the rope if he climbs at, Q:7a. 0.20 m B. 5 - A stubborn 120 kg pig sits down and refuses to Ch. (d) If the elevator had no brakes and the cable supporting it were to break loose so that the elevator could fall freely, what would the spring scale read? Lloyds mirror provides one way of obtaining a double-slit interference pattern from a single source so the lig 9.39 The flywheel of a gasoline engine is required to give up 500 J of kinetic energy while its angular velocit For a solid, we also define the linear thermal expansion coefficient, a, as the fractional increase in length p Write each number in scientific notation. Experts are tested by Chegg as specialists in their subject area. Pushing Blocks rotary force) (it has a magnitude and direction) 5 - The forces in Figure P5.10 are acting on a 2.0 kg Ch. (a) What Is the acceleration of the crate? Start your trial now! given that 60 N Distr C.180 N Lc D.600 N. Enter your parent or guardians email address: By clicking Sign up you accept Numerade's Terms of Service and Privacy Policy. A 0.60 kg bullfrog is sitting at rest on a Ch. EX: while standing or sitting on a swiveling chair (rotate your upper body in 1 direction -> chair + lower body rotate in the opposite direction) Its engines produce 1.250107 N of thrust, and air resistance is 4.50106 N. What is the rocket's acceleration? You'll get a detailed solution from a subject matter expert that helps you learn core concepts. How much force must he apply to the sled? 5 - Suppose you are holding a box in front of you and Ch. What mass would a ball need to have if it is thrown at 34 m/s and stops a 78 kg person moving at 3 m/s when they catch it? Force? B9., Q:Q1: Calculate the force necessary [units: kg m2] Click 'Join' if it's correct. A students backpack, full of textbooks, is hung from a spring scale attached to the ceiling of an elevator. 5 - A 65 kg student is walking on a slackline, a Ch. B. A. the pencil does not, A:As per Newton's third law, there is always an equal and opposite force to every force. W = work done (a) What is the tension in the rope if he climbs at a constant speed? 5 - A 20,000 kg rocket has a rocket motor that Ch. A. Since the floor is smooth , contribution of all frictional forces = 0. What factors influence u (the coefficient of friction)? of an applied, A:Letthemassofblock=mVelocityofblock=ConstantAppliedforce=Fapp, Q:(I) Sketch the free-body diagram of a baseball (a) at the moment it is hit by the bat, and again (b), A:Part (a) A toboggan race begins with the two crew members pushing the toboggan to get it moving as quickly as possible before they climb in. 1. relative roughness and hardness of the surfaces. 5 - Land Rover ads used to claim that their vehicles Ch. A car with a mass of 1000.0 kg accelerates from 0 to 90.0 km/h in 10.0 s. (a) What is its acceleration? Depends on qualifications and experience. What force is needed to, A:The force required to accelerate the sled is given by If the Ch. What is linear momentum and calculating it? YouTube to MP3 Co. phone cover for mo Determine the coefficient of kinetic friction between the player and the sled. 5 - An astronaut takes his bathroom scale to the moon Ch. mass of block , m = 2.0 kg Note: Normally, your blood vessels constrict and expand to keep your brain blood pressure stable when you change your posture. If a 100 kg footbalil player only pushes horizontally A. When a 1.50-kg dress hangs midway from a taut clothesline stretched between two poles planted 7.50 m apart, the clothesline is seen to sag 0.0500 m. a. The 140 g ball has about, A:Given - 5 - Seat belts and air bags save lives by reducing the Ch. Suppose Kevin, a 60.0-kg gymnast, climbs a rope. No human can push on a bat with that much force. approximate, A:Given 18 N B. the acceleration of the mug if there, A:Given data: m.a= Fnet As a weight is lifted, the moment arm (M) through which the weight acts, and thus the resistive torque, changes with horizontal distance from the weight to the elbow, Discuss how the body's center of gravity acts as a projectile or weight vector. Impulse = Ft 5 - Eric has a mass of 60 kg. The coefficient of kinetic friction between the grass and the sled is 0.30. A football player at practice pushes a 55 kg blocking sled across the field at a constant speed. Watch these videos for an in-depth look. Determine the distance the football players have moved the blocking sled. The coefficient of kinetic friction between the grass and the sled is 0.30. The coefficient of kinetic friction between the grass and the sled is 0.30. 5 - Each of 100 identical blocks sitting on a Ch. A 1100-kg car pulls a boat on a trailer. If the Ch. How much force must he apply? Tucking reduces moment of inertia about the hands, so less torque will be required to rotate about the hands. acceleration due to, Q:There is a 67 kg rubber sled on a wet concrete floor. Full time. Discuss range of motion, speed, and muscle force in the human body with levers? angle of inclination of ramp, = 20o Why does the NFL use artificial turf? Associate's Degree in Applied Science, Animal Health Technology, or similar field is preferred, with at least two years of work experience in animal control. How much force must he apply to the sled? Responsibilities will include enforcing both state and local animal laws, educating the community about these laws, and rescuing animals. 5 - A truck is traveling at 30 m/s on a slippery road. Ch. H = mk2w. The coefficient of kinetic friction between the grass and the sled is .30. Drawing Free-Body Diagrams With Examples; Author: The Physics Classroom; A football player at practice pushes a 60 kg blocking sled across the field at a constant speed. 5 - An astronauts weight on earth is 800 N. What is Ch. A constant force of magnitude F is applied to the first block as in Figure P4.68. m = mass -Since the diver cannot gain angular momentum in the air he must take off with sufficient angular momentum to complete the required number of rotations. 5 - An impala is an African antelope capable of a Ch. Direction of the force -offensive lineman will not move unless force is applied 5 - When you bend your knee, the quadriceps muscle is Ch. Compare the force block A, A:Given: The ramp is tilted at 20 and is frictionless. Explicitly show how you follow the steps in the Problem-Solving Strategy for Newton's laws of motion. force acting during impact has 2 effects: of, A:Given : A Ch. The coefficient of kinetic friction between the grass and the sled is 0.30.Part AHow much force must he apply to the sled?ANSWER:Problem 9Zach, whose mass is 73 kg, is in an elevator descending at 12 m/s . 5 - Blocks with masses of 1.0 kg, 2.0 kg, and 3.0 kg Ch. A 50 kg box hangs from a rope. If you want any, Q:A car has forces acting on it, as shown below. Situation A football player pushes a 670 N blocking sled. (b) What is the minimum possible value of the coefficient of static friction between the crate and the floor? A 1100-kg car pulls a boat on a trailer. mass of rock m= 3 kg 5 - Riders on the Power Tower are launched skyward Ch. Force applied (F) = 4200 N, Q:2) Now, a third block is added between blocks A and B as shown below. Once they stop pushing; how far will the sled slide before coming to rest? accelerates 0.01, Q:6. A farmer pulls the leash of a stubborn, 200 kg pig (c) What does the scale read if the elevator moves upward at constant velocity? F Postural hypotension is the occurrence of low (systolic) blood pressure when standing up too quickly from a reclined position, causing fainting or lightheadedness. If the two players entangle and continue traveling together as a unit following the collision, what is their combined velocity? A man exerts a horizontal force of 125 N on a crate with a mass of 30.0 kg. The coefficient of static, A:Given: Get access to millions of step-by-step textbook and homework solutions, Send experts your homework questions or start a chat with a tutor, Check for plagiarism and create citations in seconds, Get instant explanations to difficult math equations, Find more solutions based on key concepts. The mass of the pig is 200 kg. View this solution and millions of others when you join today! (b) What is the net force on the car? near a forest 5 - Raindrops can fall at different speeds; some fall Ch. Linear momentum: quantity of motion, measured as the product of a body's mass and its velocity. He is standing on a Ch. The mass of the baseball is 145 g (.145 kg). (c) The elevator then moves with a steady speed of 5 m/s. 5 - a. to accelerate a 900-kg rocket A:Mass of person = m = 58 kg (b) What is the force in the hitch between the car and the trailer if 80% of the resisting forces are experienced by the boat and trailer? 5 - What forces are acting on you right now? A. 2003-2023 Chegg Inc. All rights reserved. Its engines produce 1.250107 N of thrust, and air resistance is 4.50106 N. What is the rocket's acceleration? Acceleration of the elevator = a= ??? Once they stop pushing; how far will the sled slide before coming to rest? A force of 45 Newtons is required to start a 5.0 kg box moving across a horizontal. What is friction and what types of friction are there? Try it in the Numerade app? 180 N b. 0.000065. . (a) What Is the tension in the rope if he climbs at a constant speed? v = velocity. 0.77 m First week only $4.99! (b) What is the tension in the rope if he accelerates upward at a rate of 1.50 m/s2? m = total body mass (c) What does the scale read if the elevator moves upward at constant velocity? third class: lever positioned with the applied force between the fulcrum and the resistance (ex: shovel, bicep curl). If the net force is tripled and the mass, Q:HW1: A student observes a drone flying in the 5 - A 2.7 g Ping-Pong ball has a diameter of 4.0 cm. Ch. (Uk ( (kinetic)) is always smaller than Us ( (static)) ) A football player pushes a 670 N blocking sled. You'll get a detailed solution from a subject matter expert that helps you learn core concepts. (b) Find the maximum acceleration the truck can have before the box slides. 5 - A wood block, after being given a starting push, Ch. F = force P = power Draw a free body, Q:April works at the grocery store. 1. Product of force and the amount of displacement in the direction of that force (means by which energy is transferred from one object or system to another) The ramp is tilted at 20 and is frictionless. A football player at practice pushes a 60 kg blocking sled across the field at a constant speed. A ball is dropped from a height of 2 m onto the floor. -MOI (I) reduces when the diver goes from a layout to a tuck and then increases as the diver opens up to enter into the water. How much force must he apply to the sled? Two football players are pushing 60 kg blocking sled across the field at a constant speed of 2.0 m/s. Calculate the force required to push the sled across the field. D.900 N One is a 2000N forward push by, A:a) N3 4 5 - A 3.0 kg puck slides due east on a horizontal Ch. Forces of 7.6N at 38 degrees and 11.8N at 143 degrees act at a point.Calculate the magnitude and direction of their resultant. (b) What is the tension in the rope if he accelerates upward at a rate of 1.50 m/s2? As a baseball is being caught, its speed goes from 30 to 0 m/s in about 0.005 s. Its mass is 0.145 kg. How much force must he apply to the sled? of mass m. The, Q:atus: A marble is placed in a graduated cylinder, which was filled to the 20 mL mark. A1,100 kg car comes uniformly to a stop. What does knee angle do to MOI in a sprinter? (a) What is the acceleration of the freight car? Get access to millions of step-by-step textbook and homework solutions, Send experts your homework questions or start a chat with a tutor, Check for plagiarism and create citations in seconds, Get instant explanations to difficult math equations. . Given the known mass and the observed, A:Given Free body, Q:O Little Mike (mMike = 21.2 kg) is on a swing and is pulled back by Cathy with a force of F 5 - It is friction that provides the force for a car Ch. For equilibrium, the center of pressure must be directly below the body COM (a) If the crate doesnt move, whats the magnitude of the static friction force? Your question is solved by a Subject Matter Expert. *Response times may vary by subject and question complexity. The rider applies the brakes, causing the motorcycle to accelerate at a rate of 5 m/s2. (b) What is the net force on the car? What is the relationship between the center of pressure and base of support? How much force must he apply to the sled. You can From the, Q:The rocket sled shown in Figure 4.5 accelerates at a rate of27.0m/s2. 5 - The forces in Figure P5.11 are acting on a 2.0 kg Ch. Conceptual question: The block below slides with constant velocity under the action Feedback Mass of the rocket (m) = 900 kg How much force does an 80 kg astronaut exert on Ch. 5 - A horizontal rope is tied to a 50 kg box on Ch. How much kinetic energy does a baseball thrown at 80 mi/hr (35.8 m/s) have? Can the normal force on an object be directed Ch. The wheels of a midsize car exert a force of 2100 N backward on the road to accelerate the car in the forward direction. F = 400 N, Educator app for second class: lever positioned with the resistance between the applied force and the fulcrum (ex: wheel barrow, hedge clippers) College Physics: A Strategic Approach (3rd Edition), Physics for Scientists and Engineers with Modern Physics, University Physics with Modern Physics (14th Edition). 5 - A 4000 kg truck is parked on a 7.0 slope. 5 - Youve always wondered about the acceleration of Ch. Acceleration of sled The coefficient, Q:3. What are some examples of the law of inertia? 5 - Are the objects described here in static Ch. 17 N b. k = distance known as the radius of gyration the, A:acceleration of block is given by -Base of Support: This consists of the area enclosed by the outmost edges of the body in contact with the supporting surface of surfaces. A football player at practice pushes a 60 kg blocking sled across the field at a constant speed. Check out a sample Q&A here See Solution star_border The surfaces of the blocks are rough. Mass of the mug,m=0.27kg 441 N Which parts of this job do not specifically require the rescuing of animals, and why are these parts important? The acceleration is, Q:What force is needed to accelerate a sled (mass=55kg) at 1.4 m/s2 on horizontal frictionless ice, A:Given PROBLEM 4: What does the scale read now? (b) What is the minimum possible value of the coefficient of static friction between the crate and the floor? (a) When the truck accelerates forward, what force accelerates the box? A discus thrower exerts an average force of 1000 N against the discus while the discus moves through a displacement of 0.6 m in the direction of this force. -how quickly or slowly work is done The mass of the boat plus trailer is 700 kg. Here,F1 is the, Q:A 20 kg box rests on a table. *Response times may vary by subject and question complexity. 18 N B. (b) View this solution and millions of others when you join today! You can specify conditions of storing and accessing cookies in your browser, A football player at practice pushes a 80 kg blocking sled across the field at a constant speed. 5 - The drag force is an important fact of life for Ch. The mass of the 11. 5 - A 1000 kg car pushes a 2000 kg truck that has a Ch. A spring is stretched by applying a force to it by hands. Angle of the incline = 36.87o, Q:Q4: Two boxes with masses m, and m; are placed on a frictionless horizontal surface and pulled 5 - An airplane moves through the air at a constant Ch. Start your trial now! Draw a free-body diagram on a coordinate plane for this situation. A 20.O-g ball hangs from the roof of a freight car by a string. The coefficient of kinetic friction between the grass and the sled is 0.30. 1. A 58 kg person steps on a scale in an elevator. a) What is the net, Q:A boy pulls a carriage with a force of 20N by a thick rope making an angle of 25 with the, A:Neglect friction since the coefficient of friction isn't given This job requires lifting up to 100 pounds and dealing with dangerous animals. What is a resultant joint torque in the body? How much force must he apply to the sled?A. first class: lever positioned with the applied force and the resistance on opposite sides of the axis of rotation (ex: seesaw; scissors) 5 - The two angled ropes are used to support the crate Ch. A football player at practice pushes a 70 kg blocking sled across the field at a constant speed. A Mass of 15.0 kg is on an incline with a coefficient of static friction of a. The box is not moving. (b) Identify the horizontal force that causes the block of mass m to accelerate. F = 20 N 3. Calculate the force required to push the sled across the field. 60 N C. 180 N D. 600 N Expert Solution Want to see the full answer? Your question is solved by a Subject Matter Expert. When the elevator is accelerating downward at 3.8m/s2 , the scale reads 60 N. (a) What Is the mass of the backpack?