A body projected vertically upwards with a velocity u returns to the starting point in 4…
Physics · JEE Main · NTA Exams — Kinematics
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 is
- 5 m/sec
- 10 m/sec
- 15 m/sec
- 20 m/sec
Answer
(D) 20 m/sec
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