A simple machine that might be thought of as an inclined plane that moves is a

a. lever.

b. wheel and axle.

c. wedge.

d. pulley.

Why are jupiter and saturn not perfectly spherical? they rotate rapidly. they have very active auroras that heat the atmospheres along the poles.

The energy stored in oil come from the sun. Describe how energy from the sun became stored in oil

Which of these was designed to study Saturn? A) Voyager 1, Hubble, and Cassini B) Huygens, Voyager 1, and Hubble C) Cassini, Hubble, And Huygens D) Voyager 1, Huygens, and Cassini

Which of the following account for the difference between radio waves, infrared waves, and ultraviolet rays? A. speed B. frequency C. amplitude D. wavelength

A camcorder has a power rating of 12 watts. If the output voltage from its battery is 3 volts, what current does it use? The current in a hair dryer measures 13 amps. The resistance of the hair dryer is 9 ohms.

J. J Thompson proposed that atoms were made up of positively charged particles with electrons scattered into them. How did he reach this conclusion?

A bathroom scale is compressed 0.21 in. when a 210 -lb person stands on it. Assuming that the scale behaves like a spring that obeys Hooke's law, how much does someone who compresses the scale 0.06 in.

Explain what happens when a ferromagnetic material is made into a permanent magnet.

You are drawing a branching diagram to show the relationship between Turtles frogs and alligators which two organisms does the diagram indicateas having the most recent common ancestor

Estimate the length of the neptunian year using the fact that the earth is 1.50Ã108km from the sun on average.