A 35.0 kg child climbs a 6.00 m long slide that is inclined 30° with the horizontal. What is the gravitational potential energy of the child with respect to the ground when it reaches the top of the slide? Hint: Use the equation for PE: U = mgAy = mgh "h-(6.0 m) sin 30 30 Solution and Answer: Page 2 of 4 2. Which has greater kinetic energy- a 2.0 kg body moving at 3.0 m/s or a 3.0 kg body moving at 2.0 m/s? Prove your answer. Solution and Answer:
A 35.0 kg child climbs a 6.00 m long slide that is inclined 30° with the horizontal. What is the gravitational potential energy of the child with respect to the ground when it reaches the top of the slide? Hint: Use the equation for PE: U = mgAy = mgh "h-(6.0 m) sin 30 30 Solution and Answer: Page 2 of 4 2. Which has greater kinetic energy- a 2.0 kg body moving at 3.0 m/s or a 3.0 kg body moving at 2.0 m/s? Prove your answer. Solution and Answer:
Chapter3: Energy And Conservation Laws
Section: Chapter Questions
Problem 20P: . In compressing the spring in a toy dart gun, 0.5J of work is done. When the gun is fired, the...
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Activity No. 1- Three in a Row: Work, Energy, and Power
1. A 35.0 kg child climbs a 6.00 m long slide that is
inclined 30° with the horizontal. What is the
gravitational potential energy of the child with
respect to the ground when it reaches the top of
the slide?
Hint: Use the equation for PE: U = mgAy = mgh
"h-(6.0 m) sin 30
30
Solution and Answer:
Page 2 of 4
2. Which has greater kinetic energy - a 2.0 kg body moving at 3.0 m/s or a 3.0 kg
body moving at 2.0 m/s? Prove your answer.
Solution and Answer:
6.00 m-
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