WE-4 A 3.00kg block is initially sliding to the right ona 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/sy,PP (N)2015105001 2X3 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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Description: WE-4 A 3.00kg block is initially sliding to the right ona 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 th

Given:- The mass of the block is m = 3.0 kg The initial speed of the block is v = 7.0 m/s The…

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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 y₁ P P (N) 20 15 10 5 0 0 1 2 3 X 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.

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 y₁ P P (N) 20 15 10 5 0 0 1 2 3 X 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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ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

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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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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
y,
P
P (N)
20
15
10
5
0
0
1 2
X
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 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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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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