A 1321-Kg Car Climbs a 5 $80.0 \mathrm {~km} / \mathrm { h }$

A 1321-kg car climbs a 5.0° slope at a constant speed of $80.0 \mathrm {~km} / \mathrm { h }$ Assuming that air resistance may be neglected,at what rate (in kW) must the engine deliver energy to the drive wheels of the car?

A) 25 kW
B) 287 kW
C) 38 kW
D) 48 kW

Correct Answer:

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