Steve and José drove José's car to the beach during spring break. The 495 kilometer drive took them 8 hours and 30 minutes. What was their average velocity for the trip?

The earth remains in orbit around the sun due to the force of gravity. how does the force of gravity exerted by the sun on the earth compare to the force of gravity exerted by the earth on the sun?

A-of 75 cm by cm by 17.5 cm up. of is 2 kg a , in ,if it is in , kg/?

Which two particles are found in the center of an atom