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usu34ny.theexpertta.com The Expert TA | Human-like Grading, Automated! Physics question | Chegg.com I Help Homework Ch.7 Begin Date: 3/13/2018 12:01:00 AM-Due Date: 3/29/2018 11:59:00 PM End Date: 3/29/2018 11:59:00 PM (10%) Problem 10: Suppose a 925-kg car climbs a 2.15° slope at a constant 28.5 m/s. tatus for 50% Part (a) what is the power output of the car P, in terms of the variables given in the problem statement, if the friction and wind ew resistance encountered is F? Grade Summary 0% 100% tatus ompleted ompleted cos() sin() | | cos() sin(Q) | | cos(0) sin() Submissions Attempts remaining: S (3% per attempt) detailed view ompleted ompleted END Submit Hint I give up! artial Hints: 1 % deduction per hint. Hints remaining: Feedback: 0%-deduction per feedback. -.) 50% Part (b) What is the power output ofthe car P, in watts, if F= 595 N? All content 2018 Expert TA, LLCExplanation / Answer
a) power = Fnet * v
power output P = ( F+ m g sin theta) * v
b) P = ( 595 + 925 * 9.8 sin 2.15) 28.5
= (595 + 340) * 28.5
= 2.66 * 104 W
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