An electric scooter uses a motor that delivers of mechanical power to keep the…

PHYSICS · Multi-part · CBSE · Physics · Work and Energy · Work and Energy

Problem

An electric scooter uses a motor that delivers 500 W500\,\text{W} of mechanical power to keep the scooter moving at a steady speed of 25 km h−125\,\text{km h}^{-1} on a level road. (a) Convert the speed of the scooter to m s−1\text{m s}^{-1}. (b) Calculate the magnitude of the driving force provided by the motor while the scooter moves at this speed.

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