an arrow is shot with the horizontal velocity of 12 m/s and a vertical velocity of 50 m/s. what will be the arrow height at the 7 second mark

The eel has a certain amount of rotational kinetic energy when spinning at 14 spins per second. if it swam in a straight line instead, about how fast would the eel have to swim to have the same amount of kinetic energy as when it is spinning?

John throws .4 kg ball with velocity of 18 m/s. hits .2 kg bottle and bottle flies 25 m/s. how fast is ball traveling after hitting the bottle?

Which body part transports oxygen removes waste materials in carries nutrients to the body as part of the circulatory system