Which of the following substances would have more kinetic energy?

substance A at 80 °C
substance B at 343 K

Astudent looks at ocean waves coming into the beach. an ocean wave with more energy will a) have a greater height. b) have a greater period. c) travel toward the beach faster. d) strike the beach with greater frequency.

The average density of the planet uranus is 1.27 103 kg/m3. the ratio of the mass of neptune to that of uranus is 1.19. the ratio of the radius of neptune to that of uranus is 0.969. find the average density of neptune.

Abowling ball rolling down the lane toward the pins has gravitational potential energy. a. no b. a lot of c. a little