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A body of 10 kg weight drops from a height of 60 cm upon a spring whose modulus is 60 kg/cm . What will be the speed of the block when the spring is deformed 2 cm?

A body of 10 kg weight drops from a height of 60 cm upon a spring whose modulus is 60 kg/cm . What will be the speed of the block when the spring is deformed 2 cm?

Grade:12

1 Answers

Hemangi Vishe
11 Points
6 years ago
by energy consrevation,
mgh = ½ mv2  + ½ kx2
10*10*60 = ½ 10*v2 + ½ 60*22
6000 = 5v2 + 120
5v2 =5880
v2 = 1176
v = 34.29 

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