A scooter of mass is moving at

PHYSICS · Subjective · CBSE · Physics · Laws of Motion · Laws of Motion

Problem

A scooter of mass

110\,\text{kg}

is moving at

4.0\,\text{m\,s}^{-1}

. The engine provides a forward thrust of

550\,\text{N}

while air resistance of

80\,\text{N}

acts backward. If these forces act for

3.0\,\text{s}

, determine the speed of the scooter at the end of this interval.

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