What do many geologist think is the driving force of plate tectonics? explain?

Upward pull of 850 N on a 81.6 kg bale of hay. What is the magnitude of the bales acceleration?

Which one of the following substances is a liquid fuel used in rocket engines? A. Liquid oxygen B. Potassium perchlorate C. Codium nitrate D. Ammonia

Which law of thermodynamics would be violated if heat were to spontaneously flow between two objects of equal temperature?

The first law of thermodynamics states that. Is this also a statement of the principle of conservation of energy? Yes, the heat added and the change in internal energy of the gas equal the work done by the piston.

What chemicals does the body produce to keep neutral pH?

Why is it important for engineers to design bumper cars safely

What must her minimum speed be just as she leaves the top of the cliff so that she will miss the ledge at the bottom, which is 1.75 m wide and 9.00 m below the top of the cliff?

Which statement describes how light behaves when it strikes a translucent material? A. Light is scattered. B. Light is transmitted. C. Light is reflected. D. Light is absorbed.

A certain gas is present in a 15.0 l cylinder at 2.0 atm pressure. if the pressure is increased to 4.0 atm the volume of the gas decreases to 7.5 l.

Choose all the answers that apply. To qualify as a planet, a celestial object must: have an irregular shape revolve around the sun orbit in a clear area have enough gravity to have a spherical shape have a satellite