Recent content by edal01

I converted 3.6 calories/minute to Joules of energy per second. I got 0.251 J/s. Then I divided the total energy (806400) by 0.251. This gave the number of seconds which is 3,212,749. I converted this to hours and got 892.43 hours. It is wrong. I am not sure what I am doing wrong.

Thanks for the reply... When converting calories to J: 3.6 calories =0.251 J/s 0.251 J/s = 903.6 J/hour Since I already have the total Joules: 806400 J for 5.6 hours, I used it by dividing the 806400 by 903.6. I am getting 892.43 hours.

Please Help... Given: A person walks about 3.6 calories/minute. How much energy is in a 40 Watt light bulb, that is lit for 5.6 hours? Answer: I think it is 144000 J/hr. I am not sure what to do with the 5.6 hours. I think it should be used to caluculate the total J which would be...