Author Question: An object of mass m is moving on a horizontal rough surface. At a certain point it has a speed v m/s ... (Read 82 times)

Anajune7 · **on:** Jul 29, 2018

An object of mass m is moving on a horizontal rough surface. At a certain point it has a speed v m/s and it comes to a stop after traveling 32 m.

If the coefficient of friction between the object and the surface is 0.40, what is the value of speed v? Use g = 10 m/s2.
A) 16 m/s
B) 26 m/s
C) 32 m/s
D) 38 m/s
E) 10 m/s

Question 2

An object with a mass of 10 kg is moving along a horizontal surface. At a certain point it has a speed of 28 m/s.

If the coefficient of friction between the object and the surface is 0.40, how far will the object go before it comes to a stop? Use g = 10 m/s2.
A) 98 cm
B) 61 m
C) 98 m
D) 23 m
E) 61 cm