Physics Spring Review

Front

How is the alpha particle written in a nuclear equation?

Back

The alpha particle is written as \( \text{ } ^4_2\text{He} \text{ } \).

Front

What are the units for work?

Back

The units for work are joules.

Front

What minimal force must be exerted by a mother to lift her 5kg baby?

Back

The minimal force required is 49 N.

Front

What is a measure of the average kinetic energy of the individual particles in an object called?

Back

This measure is called temperature.

Front

Which of the following is the best example of work being done?

Back

Lifting a box is the best example of work being done.

Front

What is the formula for calculating work?

Back

Work = Force × Distance.

Front

What is the definition of kinetic energy?

Back

Kinetic energy is the energy an object possesses due to its motion.

Front

What is the formula for kinetic energy?

Back

Kinetic Energy = \( \frac{1}{2}mv^2 \), where m is mass and v is velocity.

Front

What is potential energy?

Back

Potential energy is the stored energy in an object due to its position or state.

Front

What is the formula for gravitational potential energy?

Back

Gravitational Potential Energy = mgh, where m is mass, g is acceleration due to gravity, and h is height.