A 95.0kg weightlifter pushes on a 800,000 kg wall for 400s but it does not move. How much work does he do on the wall?

Tectonic plates are large segments of the earth's crust that move slowly. suppose one such plate has an average speed of 4.8 cm per year. (a) what distance does it move in 40 seconds at this speed?

If 1.30 g of matter were converted to energy, how much energy would be formed?

While two forces act on it, a particle of mass m=3.2kg is it to move continuously with velocity (3m/s) i - (4m/s) j. one of the forces is F1 = (2N) i + (-6N) j. what is the other force?

A woman weighs 580 N. What's her mass?

5. What happens to the arrangement of water molecules as ice melts? A Molecules gain enough energy to escape as vapor. B Molecules release enough energy to escape as vapor. C Molecules gain enough energy to move from their fixed positions.

What type of change occurs when water change from a solid to a iquid?

Which property increases when wave wavelength decreases

A girl that has a mass of 55kg is standing on a floor, how much supporting force does the floor have?

What amount of temperature do you need to make a metamorphic rock?

What is the current hypothesis on how the Earth was formed?