Question

A ball of mass 0.5 kg was given an initial velocity of 20 metre per second. It stops after 10 seconds due to frictional force. Calculate the magnitude of the frictional force

Answer 1

Step-by-step explanation:

I can't tell you that exact answer

But hers a example

Work done by frictional force

=Δ(K.E)

=

2

1

m(v

2

−u

2

)

=

2

1

×2×−25

=−25J