Energy: how much in a kilowatt*hour?

Tutoring physics, everyday measures of energy come up. The tutor mentions kilowatt*hour.

In rounded figures, lifting 100kg 1m in 1s develops a kilowatt. Doing so for an entire hour would be using a kilowatt*hour of energy.

Source:

Heath, Robert et al. Fundamentals of Physics. Scarborough: D. C. Heath Canada Ltd., 1981.

Jack of Oracle Tutoring by Jack and Diane, Campbell River, BC.

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