Consider a uniform hoop of radius r and mass m rolling without slipping. which is larger, its translational kinetic energy or its rotational kinetic energy?

Agirl throws a ball. if the ball's acceleration is 12 m/sec/sec and its mass is 0.5 kg, how much force did the girl apply to the ball?

What is the state of matter with a specific volume but no definite shape

Scientists discovered fossils in several layers of the earth you see here. they found fossils of algae, snails, and clams in layer d. given that information, where do you think they found fossil evidence of simple land plants and amphibians?