A boy sits in a train moving with uniform speed on a straight track. If...
PHYSICS
JAMB 1992
A boy sits in a train moving with uniform speed on a straight track. If from his outstretched palm he gently tosses his coin upwards, the coin will fall
- A. in front of his palm
- B. behind his palm
- C. beside his palm
- D. into his palm
Correct Answer: D. into his palm
Explanation
The coin will fall back to the hand of the boy (INERTIA OF MOTION). When the coin is thrown vertically up, it moves with the horizontal velocity of the train. It moves along with the train and falls back in the boy's hand. The train in this case, has no acceleration (uniform velocity).
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