A visible light emits light with a wavelength of 4.00x10^-7m.

Calculate the frequency of the violet light.

a) 7.50x10^4Hz

b) 6.30x10^24Hz

c) 7.50x10^1Hz

d) 6.30x10^-1Hz

Which layer of rock is exposed to only a relatively moderate amount of heat from magma?

Warm moving air makes what?

When a body is moving with a uniform velocity, the acceleration is ___?

What is the mass of an object if a force of 34 N produces an acceleration of 4 m/s/s?

In a compound, the atom does or does not take on a new set of properties

Which safety measures should you follow during a thunderstorm? Check all that apply. (A) Avoid touching anything that conducts electricity. (B) Avoid touching a person who has been struck by lightning. (C) Go outside.

1. An automobile with a mass of 1000 kg accelerates when the traffic light turns green. If the net force on the car is 4000 N, what is the car's acceleration?

Imagine that you replace the block in the video with a happy or sad ball identical to the one used as a pendulum, so that the sad ball strikes a sad ball and the happy ball strikes a happy ball.

Under what conditions will an object experience a gravitational force? Under what conditions will an object experience an electric force? Under what conditions will an object experience a magnetic force?

A basketball player pushes down with a force of 34 N on a basketball that is inflated to a gauge pressure of 9 x 104 Pa. What is the diameter of contact between the ball! and the floor?