A body of mass 50g is allowed to fall freely under gravity. calculate it's momentum after 5sconds.(g=980cm/s^2)
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Answered by
4
it's vel after 5 sec is-
v=u+at u=0 (free fall)
v=g×5
v=5g
momentum=mv i.e. 0.05kg×5g
=.25g=.25×9.8m/s=2.45
v=u+at u=0 (free fall)
v=g×5
v=5g
momentum=mv i.e. 0.05kg×5g
=.25g=.25×9.8m/s=2.45
Answered by
0
Explanation:
245×10³ is correct answer
m=mv
m=50×5
m=250
now,
250×980
=245,000
=245×10³
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