A cart (m=14 kg) slides along a level track with a velocity of 5 m/s. It then collides and sticks to a second mass of 6 kg which is initally at rest. They both then go down a series of hills. (the only force doing any work on the cart is gravity) a) What is the kinetic energy of the carts at point a? b) What is the velocity of the cart at point b? c) What is the concept you used to answer this question? 125 70- 40- 0- a b

Physics for Scientists and Engineers: Foundations and Connections
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Chapter8: Conservation Of Energy
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A cart (m = 14 kg) slides along a level track with a velocity of 5 m/s. It then collides and sticks to a
second mass of 6 kg which is initally at rest. They both then go down a series of hills. (the only
force doing any work on the cart is gravity)
a) What is the kinetic energy of the carts at point a?
b) What is the velocity of the cart at point b?
c) What is the concept you used to answer this question?
125
70-
40-
a
b
Transcribed Image Text:A cart (m = 14 kg) slides along a level track with a velocity of 5 m/s. It then collides and sticks to a second mass of 6 kg which is initally at rest. They both then go down a series of hills. (the only force doing any work on the cart is gravity) a) What is the kinetic energy of the carts at point a? b) What is the velocity of the cart at point b? c) What is the concept you used to answer this question? 125 70- 40- a b
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