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Energy- the ability to do work
Kinetic energy- energy from motion
potential energy- stored energy
radiant energy- energy like light
nuclear energy (fission)- energy released when atoms are split (powerplant)
Nuclear energy(fusion)- energy released when atoms bond (Sun)
all energy can do work
energy is measured in Calories,calories and Joules
A calorie is the amount of energy needed to raise the temp of water 1 degree C
A Calorie is equal to 1000 calories
Calorie=food
calorie=temp
A calorie is equal to 4.184 Joules
energy isnt created or destroyed it changes form
an apple contain about 3200 calories, how many Joules of energy is that?
3200 calories X 4.184 Joules/1 calorie
It takes 1500 joules of energy to run a mile, how many CALORIES is that?
1500J x 1 cal/4.184J 360cal divided by 1000 cal= .36 CALORIES
1CAL=1000cal
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