Question

A body of mass 2kg is being dragged with uniform velocity of 2m/s on a rough horizontal plane the coefficient of friction between the body and the surface is0.20 the amount of heat generated in 5s is​

Answer 1

Answer:

m=2kg

v=2

u=0.2 t=5

x=v×t

2×5=10

heat fx°unx

0.2×2×10×10 =40J