During a phase change, energy is absorbed. what type of reaction is this? a. exothermic b. endothermic c. sublimation d. fusion

Abaseball has a mass of 0.145 kg and approaches a bat at 40.0 m/s. after it is hit, the ball leaves the bat at 50.0 m/s directly back. find the impulse of the bat on the ball. 7.25 kg*m/s 13.1 kg*m/s 5.80 kg*m/s 1.45 kg*m/s

Most short-period comets do not have randomly oriented orbits because

A( developed during the process of technology design