Kinematics Question 219

Question: A body projected vertically upwards with a velocity u returns to the starting point in 4 seconds. If g=10 m/sec2, the value of u it’s [KCET 1999]

Options:

A) 5 m/sec

B) 10 m/sec

C) 15 m/sec

D) 20 m/sec

Show Answer

Answer:

Correct Answer: D

Solution:

Time of flight T=2ug=4 secu=20 m/s



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