A mass of 2.5kg is raised by a height of 8m in 36 seconds using an electronic motor. Calculate the power of the motor.

GCSE

Power = Work / Time. Work = mgh = 2.59.818 = 196.2 J. Power = 196.2 (J) / 36 (Seconds) = 5.45 W.

Related GCSE Questions

pressure = 2.3 × 10^5 Pa temperature= 200K. At a constant volume, when the temperature increases to 300K what is the pressure in Pa?
What is meant by terminal velocity?
If Max weighed 17.2 N on Ceres (gravitational field strength of 0.27 N/kg), then what would she weigh on Earth. Give your answer to 3 s.f. and state your units.
What is the Rutherford alpha scattering experiment and what does it tell us?
Why does a wire get hot when current flows through it?

Levels