6. A 2 kg cart travelling 4 m/s to the right collides with and sticks to a 6 kg cart that was initially travelling 1 m/s to the left. Find the value of the velocity of the carts after the collision. 2 kg 6 kg A block of mass m is pushed with a constant force Fpush across a horizontal floor with a cooeficient of kinetic friction μk for a distance d. (probs. 7&8) 7. Draw a free body diagram labelling ALL of the forces acting on the block and find an expression for the work done by each.
6. A 2 kg cart travelling 4 m/s to the right collides with and sticks to a 6 kg cart that was initially travelling 1 m/s to the left. Find the value of the velocity of the carts after the collision. 2 kg 6 kg A block of mass m is pushed with a constant force Fpush across a horizontal floor with a cooeficient of kinetic friction μk for a distance d. (probs. 7&8) 7. Draw a free body diagram labelling ALL of the forces acting on the block and find an expression for the work done by each.
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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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Question
![6. A 2 kg cart travelling 4 m/s to the right collides with and
sticks to a 6 kg cart that was initially travelling 1 m/s to the left.
Find the value of the velocity of the carts after the collision.
2 kg
6 kg
A block of mass m is pushed with a constant force Fpush across a horizontal floor with a cooeficient of
kinetic friction μK for a distance d. (probs. 7&8)
7. Draw a free body diagram labelling ALL of the forces acting on the block and find an expression for
the work done by each.
8. After the block is pushed d there is no more pushing and it slides another d until it comes to a stop.
Assuming d = 5 m, Fpush = 20 N, m = 5 kg and correctly using AK + AU =W₂ find the value of μк.
NC'](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F9d258625-edd0-4f06-8dfd-6b1a087f7728%2Fedfc56a5-d91b-4c1c-a643-ef41f9da0adb%2Fxr2cpx_processed.png&w=3840&q=75)
Transcribed Image Text:6. A 2 kg cart travelling 4 m/s to the right collides with and
sticks to a 6 kg cart that was initially travelling 1 m/s to the left.
Find the value of the velocity of the carts after the collision.
2 kg
6 kg
A block of mass m is pushed with a constant force Fpush across a horizontal floor with a cooeficient of
kinetic friction μK for a distance d. (probs. 7&8)
7. Draw a free body diagram labelling ALL of the forces acting on the block and find an expression for
the work done by each.
8. After the block is pushed d there is no more pushing and it slides another d until it comes to a stop.
Assuming d = 5 m, Fpush = 20 N, m = 5 kg and correctly using AK + AU =W₂ find the value of μк.
NC'
![A block of mass m rests on a
frictionless horizontal surface
and holds back a compressed
spring with force constant k.
When the spring is released, the
block reaches a horizontal speed
v as it travels from point a to
point b. At point b it reaches an
incline plane at angle with a coefficient of kinetic friction
. The block then travels up to incline
plane distance L before stopping at point c. Using AK + AU = WNC find the following results.
www.
m
a
HK = 0
b
Mx #0
с
9. Given that the block is traveling at a speed v as it starts up the incline at point b, find an expression
for the distance L.
10. Now assume that the block has a mass of 5 kg and the spring is compressed 0.1 m before being
released. If the block has a speed of 4 m/s at point b, find the value of the spring constant.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F9d258625-edd0-4f06-8dfd-6b1a087f7728%2Fedfc56a5-d91b-4c1c-a643-ef41f9da0adb%2F4ka7lt_processed.png&w=3840&q=75)
Transcribed Image Text:A block of mass m rests on a
frictionless horizontal surface
and holds back a compressed
spring with force constant k.
When the spring is released, the
block reaches a horizontal speed
v as it travels from point a to
point b. At point b it reaches an
incline plane at angle with a coefficient of kinetic friction
. The block then travels up to incline
plane distance L before stopping at point c. Using AK + AU = WNC find the following results.
www.
m
a
HK = 0
b
Mx #0
с
9. Given that the block is traveling at a speed v as it starts up the incline at point b, find an expression
for the distance L.
10. Now assume that the block has a mass of 5 kg and the spring is compressed 0.1 m before being
released. If the block has a speed of 4 m/s at point b, find the value of the spring constant.
Expert Solution
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Introduction:
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only that question.”
We are given masses of 2 carts. We are also given initial velocities of 2 carts. Since there is no external force acting on the system of 2 carts, the linear momentum of system remains conserved. We apply conservation of momentum to find the velocity of the system of combined carts after collision.
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