True or false

the same amount of work is done when 7 pounds are lifted 100 feet as when 100 pounds are lifted 7 feet

How can fossil correlation be used to determine the ages of rock layers

Which substance has the highest specific heat? A. Soil B. Mud C. Sand D. Water

During a thunderstorm, you should crouch under a tree for shelter. a. True b. False

a fire truck drives 3 miles to the east, then 1.2 miles to the west. what is the displacement of the fire truck

What acceleration is produced by a force of 2000 N and 1000 kilogram car

Kai was 200 meters north of the library when he remembered he had to return some books to the library. It took him 200 seconds to do the round trip. Which best describes Kai's roundtrip?

The engine that powers a crane burns fuel at a temperature of 1500 oC. It is cooled by air at a temperature of 20 oC. The crane is used to lift a 1000 kg steel girder 30 m into the air.

The portion of a light ray that falls on a surface is a/an

Give the definition for diffusion. (A) gas molecules mix unequally average distance between collisions (B) gas molecules escape from a container into a vacuum through a small hole (C) gas molecules mix equally (D) gas molecules spread out in a

As resistance goes up, what happens to the current?