A crate of mass 48.1 kg rests on a level surface, with a coefficient of kinetic friction 0.202. You push on the crate with an applied force of 239 N. What is the magnitude of the crate s acceleration as it slides? 4.97 m/s^2 1.79 m/s^2 5.96 m/s^2

A crate of mass 48.1 kg rests on a level surface, with a coefficient of kinetic friction 0.202. You push on the crate with an applied force of 239 N. What is the magnitude of the crate s acceleration as it slides? 4.97 m/s^2 1.79 m/s^2 5.96 m/s^2

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Description: A crate of mass 48.1 kg rests on a level surface, with a coefficient of kinetic friction 0.202. You push on the crate with an applied force of 239 N. What is the magnitude of the crate s acceleration as it slides? 4.97 m/s^2 1.79 m/s^2 5.96 m/s^2

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter4: Newton's Laws Of Motion

Section: Chapter Questions

Problem 24P: A block of mass m = 5.8 kg is pulled up a = 25 incline as in Figure P4.24 with a force of magnitude...

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If a single constant force acts on an object that moves on a straight line, the objects velocity is a linear function of time. The equation v = vi + at gives its velocity v as a function of time, where a is its constant acceleration. What if velocity is instead a linear function of position? Assume that as a particular object moves through a resistive medium, its speed decreases as described by the equation v = vi kx, where k is a constant coefficient and x is the position of the object. Find the law describing the total force acting on this object.
A block of mass m = 5.8 kg is pulled up a = 25 incline as in Figure P4.24 with a force of magnitude F = 32 N. (a) Find the acceleration of the bloc k if the incline is frictionless. (b) Find the acceleration of the block if the coefficient of kinetic friction between the block and incline is 0.10. Figure P4.24
A car accelerates down a hill (Fig. P4.57), going from rest to 30.0 m/s in 6.00 s. A toy inside the car hangs by a string from the cars ceiling. The ball in the figure represents the toy, of mass 0.100 kg. The acceleration is such that the string remains perpendicular to the ceiling. Determine (a) the angle and (b) the tension in the string. Figure P4.57
A certain orthodontist uses a wire brace to align a patients crooked tooth as in Figure P4.88. The tension in the wire is adjusted to have a magnitude of 18.0 N. Find the magnitude of the net force exerted by the wire on the crooked tooth. Figure P4.38
The manager of a department store is pushing horizontally with a force of magnitude 200 N on a box of shirts. The box is sliding across the horizontal floor with a forward acceleration. Nothing else touches the box. What must be true about the magnitude of the force of kinetic friction acting on the box (choose one)? (a) It is greater than 200 N. (b) It is less than 200 N. (c) It is equal to 200 N. (d) None of those statements is necessarily true.
Two objects, m1 = 3.00 kg and m2 = 8.50 kg, are attached by a massless cord passing over a frictionless pulley as shown in Figure P5.51. Assume the horizontal surface is frictionless. a. Draw a free-body diagram for each of the two objects. b. What is the tension in the cord? c. What is the magnitude of the acceleration of the two objects? FIGURE P5.51 Problems 51 and 65.
A ball is falling toward the ground. Which of the following statements are false? (a) The force that the ball exerts on Earth is equal in magnitude to the force that Earth exerts on the ball, (b) The ball undergoes the same acceleration as Earth. (c) The magnitude of the force the Earth exerts on the ball is greater than the magnitude of the force the ball exerts on the Earth.
A crate of mass 38.6 kg rests on a level surface, with a coefficient of kinetic friction 0.258. You push on the crate with an applied force of 219 N. What is the magnitude of the crate s acceleration as it slides? A 6.80 m/s^2 B 3.14 m/s^2 C 5.67 m/s^2 D 2.51 m/s^2
A crate of mass 21.6 kg rests on a level surface, with a coefficient of kinetic friction 0.127. You push on the crate with an applied force of 304 N. What is the magnitude of the crate s acceleration as it slides? 8.98 m/s^2 18.29 m/s^2 12.83 m/s^2 14.07 m/s^2
We start with some review problems A crate of mass 42.0 kg rests on a level surface, with a coefficient of kinetic friction 0.257. You push on the crate with an applied force of 375 N. What is the magnitude of the crate s acceleration as it slides? 14.29 m/s^2 6.41 m/s^2 8.93 m/s^2 2.56 m/s^2
QUESTION 1 We start with some review problems A crate of mass 20.6 kg rests on a level surface, with a coefficient of kinetic friction 0.262. You push on the crate with an applied force of 351 N. What is the magnitude of the crate s acceleration as it slides? A 11.58 m/s^2 B 25.56 m/s^2 C 14.47 m/s^2 D 17.04 m/s^2
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