Physicsmedium · Past Paper
A stone is thrown vertically up with a speed of 4.9 m/s. What is the total time it stays in the air?
A0.5 s
B1 s
C2 s
D1.5 s
✓ Correct Answer: B — 1 s
Time to go up = u/g = 4.9/9.8 = 0.5s. Total time (up + down) = 2 * 0.5 = 1s.
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