Answer:
<h2>
3,343.68kJ </h2>
Explanation:
Heat energy used up can be calculated using the formula:
H = mcΔt
m = mass oof the object (in kg) = 20kg
c = specific heat capacity of water = 4179.6J/kg°C
Δt change in temperature = 80-40 = 40°C
H= 20* 4179.6 * 40
H = 3,343,680Joules
H = 3,343.68kJ
Answer:
Answer:
a 100W light bulb costs one tenth of a kilowatt when used for one hour
so 6 hours = 6/10 of a kilowatt
= 6/10 of 6 = 3.6 Dinars
Structuralism measured perception of sensations, which does not help understand people at all.