Which one is not a appropriate unit for measuring density

Which produce would best increase the amount of heat energy that is actually gained by calorimeter b

Aroller coaster car is traveling down a track at 22 m/s. the car has a mass of 2000 kg. what is the kinetic energy of the car? a) 22,000 j b) 968,000 j c) 484,000 j d) 44,000 j

Gymnast always perform on padded mats. how does the mats protect the gymnast