Where does the energy that is used to ride a bicycle up a hill come from and how is it classified?

Suppose the Opera station broadcasts at 90.5MHz and the Rock and Roll station broadcasts at 107.1MHz. 1. Which station's signal has waves with longer waveslength? 2. Which station's signal has waves with higher energy?

Which one of these is a chemical change? A.) Melting Ice B.) Making powdered juice C.) Cutting paper D.) Burning a log

What factors determine the electrostatic force between two objects?

What is a half-life the reactive half of a radioactive substance the amount of time it takes for all of a radioactive substance to decay the amount of time it takes for half of a radioactive substancec to decay half the time it takes for a

A 6.0-n net force is applied to a 1.5-kg mass. what is the object's acceleration? in the direction of the net force

What type of rock forms due to heating and cooling?

If a body of mass 10 kg is pushed with a force of 15N, then the acceleration of the body is

Describe the position of earth moon and sun during a solar eclipse

What is an output force? a. the force a person applies to a simple machine b. the force a simple machine applies to an object c. the net force on a system d. the applied force on a system

Would iron and carbon from metallic bonds