Asked by Natasha
The (nonconservative) force propelling a 1.50 103-kg car up a mountain road does 5.10 106 J of work on the car. The car starts from rest at sea level and has a speed of 31.5 m/s at an altitude of 1.90 102 m above sea level. Obtain the work done on the car by the combined forces of friction and air resistance, both of which are nonconservative forces.
Answers
Answered by
bobpursley
work done by friction= workinput-realenergyoutput
work done by friction= 5E6J-1/2 m 31.5^5-mg(190)
work done by friction= 5E6J-1/2 m 31.5^5-mg(190)
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