The type of lens that spreads out parallel light is a

Your scores on the PFT will affect your grade Question 1 options: True False

Why do electromagnetic waves not require a medium for travel?

A 12v battery supplies a current 0f 0.4A to a lamp. Caculate resistance of the lamp

What units are used to express energy?

How long does it take an airplane to fly 1500 miles of it maintains a speed of 600 miles per hour?

Which statement best describes a characteristic of gases?

The force supplied by a spring depends on what?

What happens after the Gulf Stream travels north? It cools and flows away from the pole, causing cooler climates farther south. It circles the poles, becoming ice. It crashes with incoming warm water.

A crane lifts a 35,00-N steel grinder a distance of 25m in 45s. How much power did the crane require to life the grinder? Write your answer in Kilowatts.

An example of objects the move in revolution