A body of mass 2kg falls from a height of 19.6 m on reaching the ground its momentum
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to find the velocity,
first we will use,
v^2=u^2+2gs
=0^2+2*10m/s^2*19.6m
=0+20m/s^2*19.6
=392m^2/s^2
v =√392m^2/s^2
v=19.798m/s
momentum=mass*velocity
=2*19.798
=39.59kg.m/s
hope it helps ...
first we will use,
v^2=u^2+2gs
=0^2+2*10m/s^2*19.6m
=0+20m/s^2*19.6
=392m^2/s^2
v =√392m^2/s^2
v=19.798m/s
momentum=mass*velocity
=2*19.798
=39.59kg.m/s
hope it helps ...
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