Please answer a and b.

Class Management | Help Module 6 - Quiz Begin Date: 9/29/2020 12:01:00 AM -- Due Date: 4/17/2022 11:59:00 PM End Date: 11/2/2024 11:59:00 PM (6%) Problem 10: A jogger with mass m = 55 kg uses energy at a rate of P = 802 W when she jogs on horizontal ground at a constant speed of s = 3.5 m/ The efficiency of her "human engine" however, is e = 0.27. (In other words, the power used for locomotion is e = 0.27 times the total power.) 4 50% Part (a) Write an expression for the rate of energy expenditure when she jogs at the same constant speed up a slope of o = 4.99 degrees. Assume whatever frictional or drag forces are the same in each case. Your answer should be in terms of the symbols given in the problem statement and g (9.80 m/s P = Grade Summary Deductions 09 Potential 100 cos(a) cos(b) cos(0) 7 8 9 HOME Submissions sin(a) sin(Q) sin(0) 4 5 6 Attempts remaining: (71% per attempt) Y d 2 3 detailed view e m + END n P S VO BACKSPACE DEL CLEAR Submit Hint Feedback I give up! Hints: 0% deduction per hint. Hints remaining: 1 Feedback: 0% deduction per feedback. 4 50% Part (b) What is the rate of energy expenditure when she jogs up the slope, in watts