A ham radio operator broadcasts at a frequency of 3.0 * 108 Hz. The speed of an electromagnetic wave is a constant, 3.0 * 108 m/s.

What is the wavelength?

6.0 m

9.0 m

1.0 m

0.1 m

Which of these sources are used to generate electrical energy in power plants? Check all that apply. coal natural gas biodiesel nuclear reactions wind batteries water

A steady electric current flows through a wire. If 9.0 9.0 C of charge passes a particular spot in the wire in a time period of 3.0 3.0 s, what is the current in the wire?

Does the sign of the charge (positive or negative) affect how that charge is dissipated? Explain.

What is rain, is it water, gas, solid, what is it?

A child is playing with a spring toy, first stretching and then compressing it. [T-2, C-5, A-1] a) List the energy transformations taking place during this activity.

What occurs when the velocity of Earth is doubled? a. The orbit of Earth around the Sun becomes smaller b. The orbit of Earth does not change c. The Earth escapes the Sun d. The orbit becomes more elliptical

When is a body said to be at rest

27. Calculate the impulse when an average force of 10 N acts on a cart for 5.0 s.

A boy on a bicycle is resting at the top of a hill then he rides his bicycle down the hill describe how the boy potential and kineti energy differ at the top middle and bottom of the him

What is the displacement and distance if I walk 8 blocks north, 9 blocks west and 10 blocks south