Part A IP A 37-kg crate is placed on an inclined ramp. When the angle the ramp makes with the horizontal is increased to 28 , the crate begins to slide What is the coefficient of static friction between the crate and the ramp? downward. Express your answer using two significant figures. AEd O Hs = Submit Request Answer Part B At what angle does the crate begin to slide if its mass is doubled? Express your answer using two significant figures. AEd C . O