Physics Past Questions and Answers

Two objects of masses 80kg and 50kg are separated by a distance of 0.2m. If the gravitational constant is 6.6 x 10^-11Nm kg, calculate the gravitational attraction between them.

Two capacitors C₁ and C₂ are connected as shown in the diagram. The capacitance C₂ is twice C₁ when the key is opened the energy stored up in C₁ is W. If the key is later closed and the system is allowed to attain electrical equilibrium, the total energy stored in the system will be

In which of the points labelled A, B, C, D and E on the conductor shown would electric charge tend to concentrate most?

Which of the following is stored by dry Leclanche cell?

Using the data in the circuit illustrated above, calculate the value of R