From where do the electrons originate that produce an electric shock when you touch a charged conductor?

Which geochemical cycle involves mantle convection

How do I determine which object has the greatest acceleration?

planet. 3. Astar is 10 light years away from the earth. Suppose it brightens up suddenly today, after how long can we see this change?

Using the results of Question 1 that would apply if the collision were inelastic, compute (using Excel in the yellow highlighted box) the fractional kinetic energy loss during the collision. Express the "loss" as a percent.

Which components of the atom has a positive charge

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

Sciencium-380 has a half-life of 3 days. If you started with a 100 gram sample, how much Sciencium-380 will remain after 9 days?