Homework Help: physics

Posted by JOHN on Monday, April 9, 2012 at 12:22am.

How much energy expressed in units of food Calories (that is, kilocalories) is required to operate a 100 W light bulb for 14.70 hours?

physics - Elena, Monday, April 9, 2012 at 8:29am
100•14.7 W•h = 1.47 kW•h = 1263.97 kCal

Answer this Question

Related Questions

physics - Normally the rate at which you expend energy during a brisk walk is 3....
physics - Normally the rate at which you expend energy during a brisk walk is 3....
physics - Suppose a 65-kg person can run 1000m in 5min. Assume that each stride ...
Chemistry - What are the abbreviation representation for scientific calories, ...
Physics Help Please - Suppose a 65-kg person can run 1000m in 5min. Assume that ...
Physics - If a 1000-kg car was moving at 30 m/s, what would be its kinetic ...
physics - An "energy bar" contains 5.6g of fat. a)How much energy is ...
biology - What are two units of measure for the energy obtained from ...
physics - a 715 N person walks up three flights of stairs, covering a total ...
Physics/Chemistry - few other questions. 1.) Suppose you expend 430 kilocalories...

For Further Reading

First Name:
School Subject:
Answer: