Semester 2 Final

A ___________ interprets the signal

• Transmitter
• Receiver
• Pitcher
• Radio

A _________ is a disturbance that transfers energy from one place to another without transferring matter.

• Frequency
• Amplitude
• Wave
• Hertz

___________ is the energy due to motion.

• potential
• kinetic
• gravitational
• thermal

When you increase the speed of an object, the kinetic energy increases by _________ the factor.

• twice
• thrice
• the square of
• one half

A toy car travels 10 cm east and 5 cm west. Calculate the distance the car traveled.

• 15cm
• 5cm

A toy car travels 10 cm east and 5 cm west. Calculate the displacement.

• 5 cm
• 15 cm

A toy car travels 10 cm west, 10 cm north, 10 cm east, and 15 cm south. Calculate the distance that the car traveled.

• 45 cm
• 25 cm

A toy car travels 10 cm west, 10 cm north, 10 cm east, and 15 cm south. Calculate the displacement.

• 45 cm
• 5 cm

The pitchers mound in baseball is 100 m from the plate. It takes 5 seconds for a pitch to reach the plate. How fast is the pitch?

• 20 m/s
• 500 m/s

The energy contained in a rubber band is called ________________.

• gravitational potential energy
• kinetic energy
• potential energy
• normal energy