Based on the graph what kind of relationship exists between the change in temperature of the water in the gravitational potentia
l energy of the cylinder
a. it is an inverse relationship
b. it is a direct relationship
c. it is an indirect relationship
d. it is a cyclic relationship
a. it is an inverse relationship
b. it is a direct relationship
c. it is an indirect relationship
d. it is a cyclic relationship
2 answers:
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Answer:Racquet force is twice of Player force
Explanation:
Given
ball arrives at a speed of
ball returned with speed of
average Force imparted by racquet on the ball is given by
where
time of contact of ball with racquet
When it land on the player hand its final velocity becomes zero and time of contact is same as of racquet
From 1 and 2 we get
Hence the magnitude of Force by racquet is twice the Force by player