An accumulator is 90% efficient. If it gives out 2700J of energy while discharging, how much energy does it take in?
Two capacitors of 0.0003μF and 0.0006μF are connected in series, find their combined capacitance.
Two points on a velocity-time graph have coordinates (2s, 5m/s) and (4s, 15m/s). Calculate the mean acceleration
An air force jet flying with a speed of 335m/s went past an anti-aircraft gun. How far is the aircraft 5s later when the gun was fired?
In the diagram above, the galvanometer is converted to
