a firework shell is accelerated from rest to a velocity of 50m/s over a distance of .250m. Calculate the acceleration . how long did the acceleration last?
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we will use the formula :-
to find acceleration:
v2-u2=2as
50x50-o=2xax250
2500=500a
a=2500/500
a=5m/s2
to find time:
v=u+at
50=0+5xt
t=50/5
t=10 sec
i hope it is correct
to find acceleration:
v2-u2=2as
50x50-o=2xax250
2500=500a
a=2500/500
a=5m/s2
to find time:
v=u+at
50=0+5xt
t=50/5
t=10 sec
i hope it is correct
satyam91:
Bro, it is 0.250 not 250m
but thanks
ohh i am sry for my mistake i haven't see it...
ur welcome ,but i think now u'll come to about how u find the accln and time....
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