Question

An applied force of 50 N at an angle of 47.5 degrees up of East is applied to a 7.25 kg crate. Find the coefficient of friction if acceleration is 3.0 m/s/s E.

a. 0.28
b. 0.42 (I know this one is wrong)
c. 0.56
d. 0.35
e. 0.49