a firecracker is fired and it rises to a height of 1000 m find the 1. velocity by which it was released . 2. time taken by it to reach the highest point. (g=9.8 m/s2)
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Answered by
2
Time taken =1000/1=1000s
Velocity=1000*1=1000m/s.
Velocity=1000*1=1000m/s.
Answered by
5
Hi friend,
We know that,
S= 1/2 at²
t²= 2S/a
t²= 204.0
t=14.28 secs.
Velocity = acceleration × time
Velocity = 9.8×14.28
Velocity = 139.94 m/s.
Hope this helped you a little!!!!
We know that,
S= 1/2 at²
t²= 2S/a
t²= 204.0
t=14.28 secs.
Velocity = acceleration × time
Velocity = 9.8×14.28
Velocity = 139.94 m/s.
Hope this helped you a little!!!!
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