Instructional Physics Semester 2 Final Exam Review

Gravitational Energy Equation:

The "m" is...

• Mass

• Gravitational Energy

• Height

• Gravity (9.8 m/s²)

Mass is measured in...

• meters (m)

• Joules (J)

• kilograms (kg)

• meters/second (m/s)

Energy is measured in...

• meters (m)

• Joules (J)

• Newton/meter (N/m)

• meters/second (m/s)

Height (h) is measured in...

• meters (m)

• Joules (J)

• Newton/meter (N/m)

• meters/second (m/s)

Gravitational Energy equation is...

• GPE = 1/2 k x²

• KE = 1/2 m v²

• GPE = m g h

• W = F d

A brick is held 10 m above the ground, and it has a mass of 1 kg. How much gravitational energy does it have?

• 10 J

• 98 J

• 9.8 J

• 49 J

Initially, the cart is not moving, and the spring is compressed. What type(s) of energy is in the system?

• Elastic Energy (EPE)

• Gravitational Energy (GPE)

• Kinetic Energy (KE)

• Thermal Energy (L)

The cart is moving and is no longer pressed against the spring. What type(s) of energy is in the system BEFORE it goes into the loop? Include friction.

• Elastic Energy (EPE)

• Gravitational Energy (GPE)

• Kinetic Energy (KE)

• Thermal Energy (L)

The cart is upside down and moving in the loop. What type(s) of energy is in the system? Include friction.

• Elastic Energy (EPE)

• Gravitational Energy (GPE)

• Kinetic Energy (KE)

• Thermal Energy (L)

A cart is rolling along the floor. It is NOT touching the spring. What type(s) of energy is in the system? Include friction.

• Elastic Energy (EPE)

• Gravitational Energy (GPE)

• Kinetic Energy (KE)

• Thermal Energy (L)