Just before it lifts off, a 10.500-kg airplane is traveling at 60 ft/s. The total horizont...

Just before it lifts off, a 10.500-kg airplane is traveling at 60 ft/s. The total horizontal force exerted by the plane’s engines is 189 kN, and the plane is accelerating at 15 m/s2.

(a) How much power is being transferred to the plane by its engines?

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(b) What is the total power being transferred to the plane?