A60 watt light bulb runs for 120 seconds. how much energy does it use?

Write a question about how changing temperature affects the gas inside the sports ball

Why does the equilibrium position of the spring change when a mass is added to the spring? will the mass oscillate around the new equilibrium position of the spring or the previous position without a mass attached to the spring? if the equilibrium position of the spring changes by 20 cm (assuming no initial mass) when a mass is added to the spring with constant 4.9 kg/s^2, what is the mass of the object attached to the spring?

How much work would it take to move a coulomb charge across a 4 volt potential difference?