Question

How many joules of energy does 100
Walt light bulb use per hour ? How fast
would a 70 kg person have to run to
have that amount of kinetic energy –​

Answer 1

Answer:

100 Watts times 3600 seconds is 360,000 Joules. 0.1 kWh. E=1/2*m*V^2 → V=sqrt(2*360000/70)=101.4 m/s. 365.1 kph.