1. A 12.0V storage battery is connected to three resistors, 6.75, 15.3 and 21.6.
respectively. The resistors are joined in series.
a. Calculate the equivalent resistance of the circuit and the total power dissipated
by resistors in the circuit.
b. What is the current in the circuit?​

Explain using examples, what is simple harmonic motion and why it is an important area of study in physics.

Frost wedging occurs when water seeps into a crack in a rock, freezes, and causes the crack in the rock to widen. t or f

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