# An object, previously at rest, slides #8 m# down a ramp, with an incline of #π/6 #, and then slides horizontally on the floor for another #5 m#. If the ramp and floor are made of the same material, what is the material's kinetic friction coefficient?

After the ramp we have

Substituting into the first equation we have

By signing up, you agree to our Terms of Service and Privacy Policy

The material's kinetic friction coefficient is 0.267.

By signing up, you agree to our Terms of Service and Privacy Policy

- An object with a mass of #3 kg# is acted on by two forces. The first is #F_1= < -2 N , -3 N># and the second is #F_2 = < -1 N, 1 N>#. What is the object's rate and direction of acceleration?
- If the length of a #46 cm# spring increases to #77 cm# when a #16 kg# weight is hanging from it, what is the spring's constant?
- How fast will an object with a mass of #15 kg# accelerate if a force of # 75 N# is constantly applied to it?
- If a #5 kg# object moving at #5 m/s# slows to a halt after moving #25 m#, what is the coefficient of kinetic friction of the surface that the object was moving over?
- A box with an initial speed of #2 m/s# is moving up a ramp. The ramp has a kinetic friction coefficient of #3/4 # and an incline of #(5 pi )/8 #. How far along the ramp will the box go?

- 98% accuracy study help
- Covers math, physics, chemistry, biology, and more
- Step-by-step, in-depth guides
- Readily available 24/7