Calculate the total resistance in a parallel circuit made up of resistances of 2, 3, and 4.
1.1
9.0
0.91

The speed of light in a material is 0.50 c. what is the critical angle of a light ray at the interface between the material and a vacuum?

In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j? 1. write the equation 2.list out your known variables 3.plug the numbers into the equations 4.solve 5.write your solution statement that includes initial energy and final

Apair of 10μf capacitors in a high-power laser are charged to 1.7 kv.a. what charge is stored in each capacitor? b. how much energy is stored in each capacitor?