diagram below shows a simple meter-bridge circuits. Resistors p and q have values of 5 ohm and 3 ohm respectively, when p is shunted by a length of wire, the balance point is found to be 52.7 cm from A, of what value is the resistance of the shunt?

An automobile steering wheel is shown. what is the ideal mechanical advantage? if the ama is 8, what is the efficiency of the steering wheel?

Uppose we consider the system of the three capacitors as a single "equivalent" capacitor. given the charges of the three individual capacitors calculated in the previous part, find the total charge qtot for this equivalent capacitor. express your answer in terms of v and c.

1kg of water needs to recieve 4200j of energy to go from 90 degrees to 91 degrees. what is the specific heat capacity of water? what are the units?