Determine the power required for a 1150-kg car to climb a 100-m-long uphill road with a slope of 30° (from horizontal) in 12 s (a) at a constant velocity, (b) from rest to a final velocity of 30 m/s, and (c) from 35 m/s to a final velocity of 5 m/s. disregard friction, air drag, and rolling resistance.

A) 14487 W

B) 38445 W

C) -23813 W

Explanation:

A) Constant velocity (a=0)

Force balance

Energy:

Power:

B) Aceleration:

Force balance

Energy:

Power:

C) Aceleration:

Force balance

Energy:

Power:

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