Study Guide

Front

What is the purpose of designing modern automobiles with a collapsing engine compartment during a collision?

Back

The collapsing engine compartment absorbs energy and protects passengers from the forces of the collision.

Front

What is the point of reference used when a car has moved approximately 185 meters at position T?

Back

Point Q.

Front

How is the frequency of a wave measured?

Back

In hertz.

Front

How does a parachute protect a skydiver from serious injury during a jump?

Back

The parachute transfers energy from the skydiver to the atmosphere and reduces the force of the landing.

Front

What is the input energy type for a coal-burning power plant?

Back

Chemical energy in.

Front

What is the output energy type for useful work in a coal-burning power plant?

Back

Useful work out.

Front

What type of energy is considered waste in a coal-burning power plant?

Back

Waste heat out.

Front

What happens to the energy of a skydiver when a parachute opens?

Back

The energy is transferred to the atmosphere, reducing the force of landing.

Front

What is the relationship between energy absorption and passenger safety in car collisions?

Back

Energy absorption by the car's structure reduces the impact forces on passengers.

Front

What unit is used to measure wave frequency?

Back

Hertz.