Question

If an object is thrown upwards with velocity 3m/s. At what time does it come back to the hand of thrower? Take value of g= 10m/s^2

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Answer 1

basically , he is asking the time of flight of the object.

so the time of flight of the object formule is

t = 2u/g

t = 2 x 3/10

t = 6/10 = 0.6 sec

hope this helps :)