If you can supply 3000J to water at 400C, how many grams could you heat to 700C?

Asap and show ! a 14 kg rock starting from rest free falls through a distance of 5.0 m with no air resistance. find the momentum change of the rock caused by its fall and the resulting change in the magnitude of earths velocity. earth mass is 6.0 * 10^24 kg. show your work assuming the rock earth system is closed.

What causes the formation of ocean currents?

What is the relationship between the direction of motion of the balloon and the wind currents