(3%) Problem 15: A 5-kg man pushes a crate 4.5 m up along a ramp that makes an angle of 76.5 with the horizontal. He exerts a force of 525 N on the crate parallel to the ramp and moves it at a constant speed. Otheexpertta.com > & Calculate the work, in joules, that the man performs to cause the crate and himself to move up the ramp. Grade Summary W=l Deductions 0% Potential 100% Submissions Attempts remaining: 3 (1% per attempt) detailed view tanh() cotanh() @ Degrees O Radians Submit Hint || 1giveup! Hints: 4% deduction per hint. Hints remaining: 1 Feedback: 57 deduction per feedback