Find the momentum of a body of mass 100g having a kinetic energy of 20 J...
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you get this by doing this
and check the units
and check the units
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Helloo Tanu!
K.E=1/2mv^2
m = 100g = 0.1kg
k.E = 20 J
so, 20=1/2 x0.1xv^2
40=0.1xv^2
400=v^2
So, V=20m/s
Momentum p = mv
p = 0.1kg x20 m/s
=2kgm/s
hope it helps
K.E=1/2mv^2
m = 100g = 0.1kg
k.E = 20 J
so, 20=1/2 x0.1xv^2
40=0.1xv^2
400=v^2
So, V=20m/s
Momentum p = mv
p = 0.1kg x20 m/s
=2kgm/s
hope it helps
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