A load of mass120kg is raised vertically through a height of 2m in 30s by a machine whose efficiency is 100%. Calculate the power generated by the machine. [g = 10ms^-2]

Similar Questions

Solar eclipse will take place when ...

A short chain is usually attached to the back of a petrol tanker trailing behind it to ensure that t...

A rocket burns fuel at the rate of 10kgs-1 and ejects it with velocity of 5 x 103ms-1. The thrust ex...

A transparent rectangular block 5.0cm thick is placed on a black dot. The dot when viewed from above...

From the diagram above, if the potential difference across the resistor, capacitor and inductor are ...

An object is placed 15cm from a diverging lens of focal length 12cm. The image of the object formed ...

Which of the following is NOT part of an a.c generator? ...

A person can focus an object only when it lies within 200cm from him. Which spectacles should be use...

The lower and upper fixed points marked on a Mercury-in-glass thermometer are 210mm apart. The end o...

In a domestic circuit, electrical appliances and lamps are arranged in parallel across the mains so ...