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Grade 99 grade science

A ball of mass 1kg is dropped from a height of of 5m.(a)Find the Kinetic energy Of the ball just before it reaches the ground.(b)what is its speed at this instant

Profile image of Ankit kumar
7 Years agoGrade 9
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1 Answer

Profile image of Arun
7 Years ago
Mass of a ball=1kg
height=5m 
kinetic energy=1/2mvsquare
1/2x1x5square
1/2x1x25
25/2 ans
 
Regards
Arun (askIITians forum expert)