Question

please solve all three question.................

Answer 1

Answer:

1. commercial unit of energy is kwh (kilowatt hour)

2. 1 what is equal to 746 horsepower

3. potential energy is only available in those object which are at certain height and have mass

potential energy , P=MGH

Explanation:

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Answer 2

Answer:

..

Explanation:

1. The commercial unit of energy is Kilowatt-hour(kWh)

2. 1hp=746watt. (1 horse power is approximately 7 watt)

3. The amount of work done(w) when a unit positive charge (q) is moved from infinity to a point.

expression V=W/q