What is the kinetic energy of a 620.0 kg roller coaster moving with a velocity of 9.00 m/s? a 2,790 j b 5,580 j c 25,100 j d 50,200 j

The earth exerts a gravitational force of 500 n on amy. what is amy’s mass in kg?

What are the starting materials for nuclear fission? two small nuclei two large nuclei a neutron and a large nucleus a neutron and a small nucleus

What accounts for an increase in the temperature of a gas that is kept at constant volume? a. energy has been removed as heat from the gas. b. energy has been added as heat to the gas. c. energy has been removed as work done by the gas. d. energy has been added as work done by the gas.