mWhat net force is required to keep a 500 kg object moving with a constant velocity of 10

Let, the net force required to keep the object moving be F. The mass of the object (m) = 500 kg The…

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College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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You are in an elevator that is initially at rest. At t=0, it heads downward and speeds up as a function of time. It experiences a velocity given by v(t) = (−2.00t²ĵ)² m S a) What is the normal force that you experience at t=1.20 s? Assume you have a mass of 70.0 kg. b) How far did the elevator drop in 1.20 s?
You want to lift a heavy box with a mass L = 89.0 kg using the two-ideal pulley system as shown. With what minimum force do you have to pull down on the rope in order to lift the box at a constant velocity? One pulley is attached to the ceiling and one to the box. L kg N
In the figure, the block of mass 2.00 kg accelerates down a frictionless inclined plane. The angle of the inclined plane is 30.00. What is the acceleration of the block? mg sine Ⓒ 6.8 m/s² 5.7 m/s² 8.5 m/s² Ⓒ4.9 m/s² 0 0 mg mg cose
You want to lift a heavy box with a mass L = 91.0 kg using the two-ideal pulley system as shown. With what minimum force do you have to pull down on the rope in order to lift the box at a constant velocity? One pulley is attached to the ceiling and one to the box. Lkg N
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14. A 66.0 kg skier with an initial velocity of 9.30 m/s slides up a slope of 35.0° to a height of 2.50 m above where she started. The coefficient of kinetic friction is 0.0750. a. Find the force due to friction on the hill. b. Find the skier's velocity at the top of the hill. V = ? KE₁ Vi 35° 2.5 m
A car of mass 822 kg is traveling 26.4 m/a when the driver applies the brakes, which lock the wheels. The car skids for 4.47 s in the positive x direction before coming to rest. What is the cars acceleration in m/ s2? what magnitude force in N acted on the car during this time? How far in m did the car travel?
m A person is pushing a wooden crate of mass mo = 20 kg at a constant speed vo = 1.2– for Ax = 3 m along a rough horizontal floor that has a coefficient of friction µk = .4.
Consider a 196.2 N cart that is being pulled along the level ground by a rope that is inclined at 30° above the horizontal. Suppose that a friction force of 30 N opposes the motion. Determine how large is the pulling force if the wagon is moving with: a. constant speed? b. an acceleration of 0.40 m/s²?
Consider an object sliding down a frictionless ramp that is inclined an angle above the horizontal. What should the acceleration down the ramp a be when the angle becomes x zero? g g/2 none of the above mg X
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You stand on a bathroom scale, and it reads 70 kg. You take it into the elevator, and at one instant it reads 65 kg. What can you deduce about the directions of the elevator's velocity and acceleration at that instant? O v is down, a is down O v is down, a not known O v not known, a is up Ov not known, a is down O v is up, a is up < O O

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m What net force is required to keep a 500 kg object moving with a constant velocity of 10