Answer:
A. Voltage
Explanation:
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{Answer}
A- (10kg sphere and 30m)
{I hope this helps :) }
Answer:
Explanation:
Let the ball is thrown upwards with speed u and reaches upto height h.
Use III equation of motion
here, final velocity v = 0
So,
Now as the ball reaches the maximum height, it starts falling freely. Let it strkes with the ground with velocity v'.
here, u = 0
So,
It means the velocity is same as the velocity of projection.