Arestoring force of magnitude f acts on a system with a displacement of magnitude x. in which of the following cases will the system undergo simple harmonic motion?
a) f x
b) f
c) f sin x
d) f x2
e) f 1/x

Do you agree with scientist’s prediction about the warming of alaska and other polar regions?

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?