After a tennis match, the two players dash to the net to shake hands. If they both run with a speed of 3 m/s, are their velocities equal? Explain.

Name three different units of energy used to measure heat and describe what type of situations each is usually used.

Which subatomic particle has a negative charge

Abookcase has a mass of 38 kg and the coefficient of friction between it and the floor is 0.82 what is the maximum force of friction between the bookcase and the floor a 372n b 305n c 412n d 449n