Question

a stone is thrown up from ground with velocity of 78.4 metre per second it remains in the air for how many seconds draw a velocity/time graph​

Answer 1

Answer:

8 seconds

Explanation:

velocity=78.4m/s

acceleration=9.8 m/sq.s (gravitational acceleration)

time=velocity/acceleration

=(78.4/9.8) second

=8 seconds.