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Mitchell
Questions (3)
What is the power of an electric light bulb if it drawing a current of 0.25A from the mains electricity supply of 240V?
1 answer
124 views
A girl lifts a pile of books with a total mass of 5kg through a vertical distance of 0.75m . How much work does she do?
2 answers
175 views
How many books each 1.5cm thick can be kept in a shelf 1.45m high
1 answer
422 views
Answers (2)
50
3.75J !!
