What two quantities do you have to know to calculate the density of and object?

What is one way to increase the amplitude of a wave in a medium

How does rock form in the asthenosphere

A florescent light tube usually contains what? A a vacuum B oxygen C. Mercury vapor D. Light emitting diodes

If the plane of the moon's orbit were the same as the ecliptic plane, there would be a lunar eclipse A. every day B. twice a month C. once every month D. twice a year

What is the difference between protons and neutrons

Why is it important for engineers to design bumper cars safely

What must her minimum speed be just as she leaves the top of the cliff so that she will miss the ledge at the bottom, which is 1.75 m wide and 9.00 m below the top of the cliff?

Which statement describes how light behaves when it strikes a translucent material? A. Light is scattered. B. Light is transmitted. C. Light is reflected. D. Light is absorbed.

A certain gas is present in a 15.0 l cylinder at 2.0 atm pressure. if the pressure is increased to 4.0 atm the volume of the gas decreases to 7.5 l.

Choose all the answers that apply. To qualify as a planet, a celestial object must: have an irregular shape revolve around the sun orbit in a clear area have enough gravity to have a spherical shape have a satellite