The time taken, by the body projected vertically up with a speed of 20 m/s to return back to the ground is (g = 10 m/s^2)
The time taken, by the body projected vertically up with a speed of 20 m/s to return back to the ground is (g = 10 m/s2)
A) 4 sec
B) 2 sec
C) 40 sec
D) 20 sec
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