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.
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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![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.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc7f2cde6-668e-41ce-9e85-a150e163d3d4%2F856d0aa9-3aed-4244-b453-51eb04dd2e21%2Fatpawhs_processed.jpeg&w=3840&q=75)
Transcribed Image Text: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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