Consider a Newton's Cradle as shown below. All of the spheres behave like billiard balls have the same mass, m, and the same velocity immediately before impact, V.
1) Present the mathematical relationships that explain the observed motion
2) Explain why the relationships are appropriate
3) Using the information above, state the relationship between v/ and ve, where V, is the velocity immediately
after impact

Atwo-stage air compressor operates at steady state, compression 10m^3/min of air from 100 kpa and 300k to 1200 kpa. an intercooler between the two stages cools the air to 300k at a constant pressure of 350 kpa. the compression processes are isentropic. a) calculate the power required to run the compressor, in kw b) compare the result to the power required for isentropic compression from the same inlet state to the same final pressure.

A6.0-μf air-filled capacitor is connected across a 100-v voltage source. after the source fully charges the capacitor, the capacitor is immersed in transformer oil (of dielectric constant 4.5). how much additional charge flows from the voltage source, which remained connected during the process?

Elements that have one valence electron and are very reactive are called