When mechanical energy is transformed,

One complete revolution of Earth around the sun takes about a. one rotation. b. one season. c. one year. d. one eclipse.

Is a broom an example of a wedge?

Serious question ... Smog is a type of air pollution. It is a mixture of fog and smoke or other airborne pollutants such as exhaust fumes. What is a result of smog that effects the quality of life for organisms? A. acid rain B. floods C.

What happens when a mechanical wave travels through a medium? Energy fluctuates. Energy is transferred. Energy is lost. Energy is gained.

How many Adoms are in the human body

A 2 kg book is pushed across a table is a force 4. Assuming no friction, what is the acceleration of the book?

When electricians use wiring for houses they use both copper and rubber. Which do you think is used as a conductor?

Suppose that 600 W of radiation in a microwave oven is absorbed by 250 g of water in a very lightweight cup. Approximately how long will it take to heat the water from 20 C to 80 C? (A) 50 s (B) 100 s (C) 150 s (D) 200 s

Calculate the velocity of a 1650kg satellite that is in a circular orbit of 4.2 x 10^6m above the surface of a planet which has a radius 3.95 x 10^5 m and the period of the orbit is 2.0 hours.

A "conventional gear" tailwheel airplane has the center of mass aft of the two main wheels and a smaller, third wheel at the tail. a "tricycle gear" airplane has the center of mass forward of the two main wheels and the third wheel near the nose.