Q: A child has 1/4 kg of a ball in his hand and he throws it vertically upwards. His hand arises 10 cm upwards and with his hand the ball exits at an upward velocity of 2 ms⁻¹ What is the value of the static force exerted by the child to throw the ball?
A.
15 N
B.
10 N
C.
7.5 N
D.
5 N
Correct Answer:
Option D -
Explanations:
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