Question

1) calculate the unit of electricity consumed in the month of September for the following details given. Also calculate the amount to be paid at the rate of 5 rupees per unit.

Four 60w bulb 5 hrs daily
Two 100w bulb 4 hrs daily
One 2kilowatt electric heater for 3hrs daily
1 half HB motor is used for 2hrs per day

2) calculate the work done in moving a a body of mass 20kg from breast through a distance of 2 metre with a acceleration of 5 metre per second square

3) a locomotive exerts a force of 9000 Newton and thus 45000 Joule of work . how much distance is moved in the direction of force

4) a body of mass 2kg is dropped from a height of 4 metre what is its kinetic energy when it hits the ground (G as 10m/s square)

5) a body of mass 100 kg is lifted by 10 metre find the amount of work done and potential energy of the body at the height. Take G as 10 metre per second square​

Answer 1

Answer:

Explanation:

the question is very large can you short the question