Question

block b is pushed momentarily along a horizontal surface with an initial velocity v if u(new) is the coefficient of sliding friction between b and the surface block b will come to rest after a time?????
options in the picture​

Answer 1

Answer:

v/ug

Explanation:

f=Nu

ma=umg

a=ug

we know that

t=v/a

so

t=v/ug