Why is it that we can see blood cells only with a microscope? A) The cells form clumps. B) The cells keep moving about. C) The cells have different shapes. D) The cells are very small in size.

Which of the following theories states that tax cuts can raise supply, thus stimulating the economy? a. multiplier effect b. atomic stabilization c. supply-side economics d. demand-side economics

Surrounding every moving electron is a. an electric field b. a magnetic field c. both a and b d. none of the above

Elastic collision definition

Describe why we cannot see details on the surface of Mars.

Which type of mirror has a flat surface?

A 125-kg merry-go-round in the shape of a uniform, solid, horizontal disk of radius 1.50 m is set in motion by wrapping a rope about the rim of the disk and pulling on the rope.

Jose wandered 4 kilometers at 2 kilometers per hour. How long did Jose wander?

What is the acceleration of a 10kg pushed by a 5n force

A device that changes thermal energy into mechanical energy

You and your roommate are moving to a city 380 mimi away. Your roommate drives a rental truck at a constant 55 mi/hmi/h, and you drive your car at 65 mi/hmi/h. The two of you begin the trip at the same instant.