WE-4 A 3.00kg block is initially sliding to the right onP (N)20a frictionless surface at 7.00m/s. Force P isdirected to the left and is applied to the blockcontinuously starting at the initial position asshown below. The magnitude of P variesas shown in the graph to the right.V=7.00m/s15105.0 1 2 34 (m)a) Find the magnitude of the work done by the force P as the block moves from x-0 to x=4m.b) Find the kinetic encrgy of the block at x-4m. Neglect air resistance (and the surface is frictionless).c) Find the speed of the block at x-4m.P Type here to search%23直

Name: WE-4 A 3.00kg block is initially sliding to the right onP (N)20a fric
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Description: WE-4 A 3.00kg block is initially sliding to the right onP (N)20a frictionless surface at 7.00m/s. Force P isdirected to the left and is applied to the blockcontinuously starting at the initial position asshown below. The magnitude of P variesas show

mass of block (m) = 3 kg Initial velocity (v) = 7 m/s

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P (N) 20 WE-4 A 3.00kg block is initially sliding to the right on a frictionless surface at 7.00m/s. Force P is directed to the left and is applied to the block continuously starting at the initial position as shown below. The magnitude of P varies as shown in the graph to the right. V=7.00m/s 15 10 5 1 4 (m) a) Find the magnitude of the work done by the force P as the block moves from x-0 to x-4m. b) Find the kinetic energy of the block at x-4m. Neglect air resistance (and the surface is frictionless). c) Find the speed of the block at x-4m.

P (N) 20 WE-4 A 3.00kg block is initially sliding to the right on a frictionless surface at 7.00m/s. Force P is directed to the left and is applied to the block continuously starting at the initial position as shown below. The magnitude of P varies as shown in the graph to the right. V=7.00m/s 15 10 5 1 4 (m) a) Find the magnitude of the work done by the force P as the block moves from x-0 to x-4m. b) Find the kinetic energy of the block at x-4m. Neglect air resistance (and the surface is frictionless). c) Find the speed of the block at x-4m.

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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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Newton's Second Law

Newton’s laws of motion describe the relationship between the motion of an object and forces acting on it. Newton’s law of motion has two types as follows:

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Question

WE-4 A 3.00kg block is initially sliding to the right on
P (N)
20
a frictionless surface at 7.00m/s. Force P is
directed to the left and is applied to the block
continuously starting at the initial position as
shown below. The magnitude of P varies
as shown in the graph to the right.
V=7.00m/s
15
10
5.
0 1 2 3
4 (m)
a) Find the magnitude of the work done by the force P as the block moves from x-0 to x=4m.
b) Find the kinetic encrgy of the block at x-4m. Neglect air resistance (and the surface is frictionless).
c) Find the speed of the block at x-4m.
P Type here to search
%23
直

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