Question

a particle is projected upwards with a. speed 2m/s at time t = 0 .the time at which the speed of the particle is half of the initial speed is
a . 0.1 sec
b.0.3 sec
c.0.2 sec
d. both 1 and 2
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Answer 1

Explanation:

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Answer 2

Answer:

both 1 and 2 is the answer as during upward journey at 0.1s and at downward journey at 0.2s

Explanation:

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