Physics, asked by poluparthisruthi, 9 months ago

A 42kg block of ice moving an rough horizontal surface stops due to friction, after some time. If the initial velocity of the decelerating block is 4m/s, the mass of ice in (kg) that has melted due to heat generated by friction is : (latent heat of ice is 3.36x105 J/kg)

Answers

Answered by PMmuraari
2

Answer:

The change in the kinetic energy of the ice is,

2

1

mv

2

This energy is required to melt the ice.

2

1

×42×4

2

=m

×3.36×10

5

Thus, m' = 1 g

Answered by Lakshya258
2

Answer:

HELLO! PLEASE REFER TO THE ATTACHED IMAGE

Explanation:

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