Physical activity designed to increase your heart rate is called exercise, meaning “with oxygen.”

The man fires an 80 g arrow so that it is moving at 80 m/s when it hits and embeds in a 8.0 kg block resting on ice. how far will the block slide on the ice before stopping? a 7.1 n friction force opposes its motion.

Look at the potential energy diagram for a chemical reaction. which statement correctly describes the energy changes that occur in the forward reaction?

Which quantities are scalars? choose all that apply a.distance b.speed c. acceleration d.velocity