5
Question
A fruit is dropped from a height of 20 m. Find the velocity with which it would hit the ground.
A fruit is dropped from a height of 20 m. Find the velocity with which it would hit the ground.
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Solution
The correct option is C 20 m/s
Since, the acceleration is along the direction of motion, a = + 10 m/s2 and initial velocity is zero.
Distance covered s=20m
Final velocity v is given by
v2 = u2 + 2as
v2 = 0 + 2 × 10 × 20 = 400
v=√400=20ms
20 m/s
Since, the acceleration is along the direction of motion, a = + 10 m/s2 and initial velocity is zero.
Distance covered s=20m
Final velocity v is given by
v2 = u2 + 2as
v2 = 0 + 2 × 10 × 20 = 400
v=√400=20ms
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