A box is initially sliding up a 32.5° incline at a speed of 13.0 m/s. The coefficients of friction between the incline and the box are uk= 0.680 and us= 0.740. a)What is the acceleration of the box while it is sliding up the incline? b)How far will the box travel up the inline before coming to a stop? c)What would the coefficient of kinetic friction have to be for the box to be able to slide down the ramp at a constant speed?

A box is initially sliding up a 32.5° incline at a speed of 13.0 m/s. The coefficients of friction between the incline and the box are uk= 0.680 and us= 0.740. a)What is the acceleration of the box while it is sliding up the incline? b)How far will the box travel up the inline before coming to a stop? c)What would the coefficient of kinetic friction have to be for the box to be able to slide down the ramp at a constant speed?

Name: Problem 18A box is initially sliding up a 32.5° incline at a speed of
Uploaded: 2024-03-20T06:57:57.000Z
Channel: Bartleby
Description: Problem 18A box is initially sliding up a 32.5° incline at a speed of 13.0 m/s. The coefficients offriction between the incline and the box are uk= 0.680 and µs= 0.740.a)What is the acceleration of the box while it is sliding up the incline?b)How fa

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter6: Uniform Circular Motion And Gravitation

Section: Chapter Questions

Problem 32PE: Unreasonable Results (a) Calculate the minimum coefficient of friction needed for a car to negotiate...

See similar textbooks

Similar questions

An object falling under the pull of gravity is acted upon by a frictional force of air resistance. The magnitude of this force is approximately proportional to the speed of the object, which can be written as f = bv. Assume b = 15 kg/s and m = 50 kg. (a) What is the terminal speed the object reaches while falling? (b) Does your answer to part (a) depend on the initial speed of the object? Explain.
An object of mass m is dropped from the roof of a building of height h. While the object is falling, a wind blowing parallel to the face of the building exerts a constant horizontal force F on the object. (a) How long does it take the object to strike the ground? Express the time t in terms of g and h. (b) Find an expression in terms of m and F for the acceleration ax of the object in the horizontal direction (taken as the positive x-direction). (c) How far is the object displaced horizontally before hitting the ground? Answer in terms of m, g, F, and h. (d) Find the magnitude of the objects acceleration while it is falling, using the variables F, m, and g.
(a) If half of the weight of a small 1.00103 kg utility truck is supported by its two drive wheels, what is the magnitude of the maximum acceleration it can achieve on dry concrete? (b) Will a metal cabinet lying on the wooden bed of the truck slip if it accelerates at this rate? (c) Solve both problems assuming the truck has four-wheel drive.
A small piece of Styrofoam packing material is dropped from a height of 2.00 m above the ground. Until it reaches terminal speed, the magnitude of its acceleration is given by a = g Bv. After falling 0.500 m, the Styrofoam effectively reaches terminal speed and then takes 5.00 s more to reach the ground. (a) What is the value of the constant B? (b) What is the acceleration at t = 0? (c) What is the acceleration when the speed is 0.150 m/s?
Unreasonable Results (a) Calculate the minimum coefficient of friction needed for a car to negotiate an unbanked 50.0 m radius curve at 30.0 m/ (b) What is unreasonable about the result? (c) Which premises are unreasonable or inconsistent?
A box is at rest with respect to the surface of a flatbed truck. The coefficient of static friction between the box and the surface is s. a. Find an expression for the maximum acceleration of the truck so that the box remains at rest with respect to the truck. Your expression should be in terms of s and g. b. How does your answer change if the mass of the box is doubled?
A 18kg crate is pushed across the floor, using a force that makes an angle of 21 degrees with the horizontal. The coefficient of static friction between crate and floor is µs=0.45. The coefficient of kinetic friction between crate and floor is µk=0.20. a) What magnitude of pushing force is required to just start the crate sliding? b) Once it has started sliding, if you continue to push the crate with the same amount of force found in “a”, what will its acceleration be?
Block 1 (2 kg) is on the surface of a frictionless inclined plane that makes an angle of 35 degrees with the horizontal. Assume g = 10 m/s2.What is the magnitude of the acceleration of block 1 down the incline plane? m/s2 How far does block 1 travel down the plane in 2 s after it is released? m
A man is trying to push a 75.0 kg rock across the ground by applying a constant force P at an angle θ = 27.5 ̊ below the horizontal. The coefficients of friction between the rock and the ground are μk = 0.430 and μs = 0.570. (a) If the rock is initially at rest, what force does the man need to apply to get it to start moving? (b) If the rock is already in motion, what force does he need to apply to get it accelerate at 2.75 m/s2?
The drag force for falling objects due to air friction depends on the velocity of the object and is given by the equation [Fdrag = bv] where b is a constant that depends on the fluid through which the object moves and the radius of the object. (a) Find the terminal speed (in m/s) of an object of mass 54 kg for which b = 17 kg/s. (b) Will the terminal speed be different if the object's initial speed is different? Yes or No?
A cleaner is pushing an 11 kg dustbin across a level floor at constant speed. The coefficient of friction between the dustbin and the floor is 0.10. (a)If the cleaner is pushing horizontally, what is the magnitude of the force he exerts on the dustbin? (b)If he pushes at an angle of 30° down from the horizontal, what must the magnitude of his pushing force be to keep the can moving at constant speed?
A toboggan approaches a snowy hill moving at 10.7 m/s. The coefficients of static and kinetic friction between the snow and the toboggan are 0.48 and 0.34, respectively, and the hill slopes upward at 44.0 ∘ above the horizontal. a) Find the magnitude of the acceleration of the toboggan as it is going up the hill. a = ? What is the direction of the acceleration as the toboggan is going up the hill? Up the hill or down the hill? Find the magnitude of the acceleration of the toboggan after it has reached its highest point and is sliding down the hill. a = ?