The answer is:
1 200 watt = 0.286 615 076 kilocalorie/second
How many Kilocalories of heat does the operation of a 1200-W hair dryer produce each second?
0.286 kilocal/sec
How 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... 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
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