A runner of weight 588N runs at a speed of 8 miles/hr. What is the kinetic energy of the runner? Determine the power exerted by the runner over a distance of 10m.

GCSE

KE = 1/2mv^2m = 588/9.8 = 60 kgv = 8 miles/hr = 3.56 m/sKE = 379 JP = E/tt = d/v = 10m/3.56m/s = 2.81 sP = 135 W

Related GCSE Questions

Calculate the charge that flows past a point in a circuit with a 5.0A current for five minutes.
What are the two types of waves and what are some of their uses/sources?
How is a PET scanner able to locate a tumour in the patient's body?
Explain why the nuclear model of the atom replaced the plum pudding model of the atom?
A force of 13.8 N was used to lift a mass 30 cm vertically through a liquid. Calculate the work done in lifting the mass, stating the correct units.

Levels