What is the reason for heat transfer from one substance to another? OA. difference in pressure
OB.
difference in volume
O c.
difference in temperature
OD.
difference in mass

Which best describes the difference between internal and thermal energy?

What is the difference between mass density and weight density?

One soccer player (a) is moving at 4 km/h when she kicks the ball while another soccer player (b) is moving at 8 km/h. what statement accurately compares their kinetic energy if they have the same mass? a) both soccer players have the same kinetic energy. b) player b has twice the kinetic energy of player a. c) player b has four times the kinetic energy of player a. d) their kinetic energy can't be compared without knowing their mass.