A hammer of mass 1kg falls freely from a height of 2 m .Calculate (I) The velocity and (II) The KE. of the hammer just before it touches the ground. Does the velocity of hammer depend on the mass of hammer?
Answers
Answered by
89
velocity=√2gh
=√2*10*2
=2√10 m/s
ke=1/2 m v*v
=1/2*1*40
=20 joules
no velocity does not depend on mass of body
=√2*10*2
=2√10 m/s
ke=1/2 m v*v
=1/2*1*40
=20 joules
no velocity does not depend on mass of body
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Answered by
50
v=root2gh
v=root2×10×2
v=root40
v=root4×10
v=2×root10
ke=1/2mv^2
ke= 1/2 ×1×(2root10)^2
ke= 1/2×1×40
ke= 20joules
no velocity does not depends on mass
v=root2×10×2
v=root40
v=root4×10
v=2×root10
ke=1/2mv^2
ke= 1/2 ×1×(2root10)^2
ke= 1/2×1×40
ke= 20joules
no velocity does not depends on mass
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