The specific gravity of upper mantle rock is:

A. 2.7

B. 3.0

C. 3.3

D. 5.5

There are many advantages to using nuclear power to generate electricity. There are also many disadvantages. Choose all of the advantages of utilizing nuclear technology to generate energy.

What quantity gives us a frequency independent opposition to the flow of charge? a) Reactance b) Impedance c) Resistivity d) Current e) Resistance

Explain why a fast moving freight train cannot be stopped quickly

A helium weather balloon is inflated so that the pressure inside is at Earth's atmospheric pressure (approximately 101 kPa).

Nomadic societies negatively impact the environment more than industrial societies.

What does Newton's second law of motion say

Two sinusoidal waves are moving through a medium in the positive x-direction, both having amplitudes of 7.00 cm, a wave number of k=3.00m-1, an angular frequency of ω=2.50s-1, and a period of 6.00 s, but one has a phase shift of an angle ϕ=π12rad.

Which season does the Southern Hemisphere experience when it is tilted toward the sun? A. winter B. summer C. spring D. autumn

For an ideal fluid flowing through a horizontal pipe, Bernoulli's principle and the continuity equation state that the pressure within the pipe does which of the following? (Assume measurements are taken along the pipe in the direction of fluid flow.

A bowling ball has a mass of 40kg and is kicked with a force of 10 N. What is it's acceleration