Is energy absorbed or given off when an electron and a hole of a semi-conductor crystal

recombine? What are the forms of energy that can be absorbed or given off?

Which sporting event is symbolic of American culture?

Rory uses a battery to power a light bulb with a resistance of 10 Ω. If 0.15 A of current is flowing, what is the voltage of the battery?

Which of the following four circuit diagrams best represents the experiment described in this problem?

A stone is thrown straight up from the ground with an initial speed of 15.2 m/s. At the same instant, a stone is dropped from a height of h meters above ground level. The two stones strike the ground simultaneously. Find the height h.

What two bodily functions are increased by a warm up

Do you mind if I use this example for my assignment?

A squirrel runs along an overhead telephone wire that stretches from the top of one pole to the next. It is initially at position xi=3.37 mxi=3.37 m, as measured from the center of the wire segment. It then undergoes a displacement of Δx=-6.

Imagine a 10 kg block moving with a velocity of 20 m/s to the left. calculate the kinetic energy of this block

Which do you think is the bigger problem among college students-the continued abuse of illegal drugs or the rising abuse of prescription and over-the-counter medications?

A man stands still on a moving walkway that is going at a speed of 0.4 m/s to the east. What is the velocity of the man according to a stationary observer?