The net external force on the propeller of a 0.75 kg model airplane is 17N forward. What is the acceleration of the airplane?

23 m/s

Explanation:

The net external force on the propeller is 17N

The airplane is 0.75 kg

Therefore the acceleration of the plane can be calculated as follows

= 17/0.75

= 23 m/s

Hence the acceleration of the airplane is 23 m/s

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