Physics Past Questions and Answers

An air force jet flying with a speed of \(335 \mathrm{~ms}^{-1}\) went past an anti-aircraft gull. How far is the aircraft Ss later when the gun was fired?

In a D.0 circuit a 10 microfarad (mf) capacitor is placed in series with a 10-ohm resistor. The total resistance of the combination is ____________

A potential difference of \(6 \mathrm{~V}\) is used to produce a current of \(5 \mathrm{~A}\) for 200s through a beating coil. The heat produced is ____________

A weight of 1000grams hangs from a lever 20cm to the right of the fulcrum. At the left is a 500-gram weight 20 cm from the fulcrum, and a 200-gram x cm from the fulcrum. What is the value of x that will make the lever balanced?

In a harmonic oscillation of a simple pendulum, one of the following statements is correct