Inv. 4 Kinetic Energy

Front

What happens to the speed of a fast moving particle after it collides with a slow moving particle?

Back

The fast moving particle loses speed, and the slow moving particle gains speed.

Front

What is thermal energy?

Back

Thermal energy is heat energy.

Front

What two factors affect an object's kinetic energy?

Back

Mass and speed.

Front

What energy transfer increases the kinetic energy of particles?

Back

Heating.

Front

What is thermal equilibrium?

Back

Thermal equilibrium is when energy moves from warmer to cooler until both reach the same temperature.

Front

Define kinetic energy.

Back

Kinetic energy is the energy of motion.

Front

What is the formula for kinetic energy?

Back

Kinetic energy (KE) = 1/2 * mass (m) * speed (v)^2.

Front

How does mass affect kinetic energy?

Back

Increasing the mass of an object increases its kinetic energy if speed remains constant.

Front

How does speed affect kinetic energy?

Back

Increasing the speed of an object increases its kinetic energy exponentially.

Front

What is the relationship between kinetic energy and temperature?

Back

As temperature increases, the kinetic energy of particles also increases.