A radio wave has a frequency of 1000Hz. What is the energy of the wave?

Two examples of renewable energy resources

The force of friction on an object is dependent on two things. what are they?

Who provided evidence for the existence of an atomic nucleus

There is a close relationship between magnetic forces and the generation of electric current. Explain how magnets can be used to generate electric current and how electric current can be used to create electromagnets.

State the five assumptions of the kinetic molecular theory

When considering different hypothesis usually the scientific explanation which can account for all the is

Similarities between mechanical and electromagnetic waves are

Suppose you're given the formula r = s 2t. if you know that s is three times greater than t, how could you rewrite the formula

A merry-go-round rotates with a centripetal acceleration of 15 m/s2. If the outer horses are 7 m from the center of the ride, what is their velocity? O A. 11.8 m/s O B. 10.2 m/s O O C. 9.6 m/s D. 8.4 m/s

Which is not a part of the walking mechanism of the human body? a rigid bar a fulcrum a resistance a gear