This diagram shows a baseball’s motion. Which statement is best supported by the diagram? Kinetic energy becomes potential energ
y between points R and S. Maximum potential energy is at point P. Maximum potential energy is at point R. Potential energy becomes kinetic energy between points P and Q.
2 answers:
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Answer:
- 64.93 rad/s
- 38.956 km
Explanation:
(a)
__
(b)
Answer:
The work done by gravity is 784 J.
Explanation:
Given:
Mass of the block is,
Height to which it is raised is,
Acceleration due to gravity is,
Now, work done by gravity is equal to the product of force of gravity and the distance moved in the direction of gravity. So,
Force of gravity is given as the product of mass and acceleration due to gravity.
. Now,
Therefore, the work done by gravity is 784 J.