How many Kilocalories of heat does the operation of a 1200-W hair dryer produce each second?

The answer is:



1 200 watt = 0.286 615 076 kilocalorie/secondHow many Kilocalories of heat does the operation of a 1200-W hair dryer produce each second?
Go to http://www.google.com/search?q=1200+Joul/a> and divide by 1000.How many Kilocalories of heat does the operation of a 1200-W hair dryer produce each second?
1 cal = 4,185 Joule

P - power

Q - heat / energy

t - time

P = Q / t -%26gt;

Q = P x t = 1200 W x 1 sec. = 1200 Joule = 1200 / 4,185 cal = 286,738351.. cal = 0,28673... kcal
0.286 kilocal/sec