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A block of mass 0.50 kg is moving with a speed of 2.00 on a smooth surface. It strikes another mass of 1.00 kg and then they move together as a single body .The energy loss during the collision is 

a)

0.16 J

b)

1.00 J

c)

0.67 J

d)

0.34 J



Question ID - 52061 | SaraNextGen Top Answer

A block of mass 0.50 kg is moving with a speed of 2.00 on a smooth surface. It strikes another mass of 1.00 kg and then they move together as a single body .The energy loss during the collision is 

a)

0.16 J

b)

1.00 J

c)

0.67 J

d)

0.34 J

1 Answer
127 votes
Answer Key / Explanation : (c) -

(c)

Law of conservation of momentum

(assumed that 2nd body is at rest)

Or

The energy loss during the collision

So, energy lost is 0.67 J

127 votes


127