The answer is B. Nonrenewable
Helix Nebula is a cloud of gases and dust that surrounds a white dwarf.
Thanks hope I am right.
Calories would denote the amount of heat.
Givens are:
Mass = 500 g
t0 = 20C
tf = 30C
C = 1 cal/gC
Formula:
Q=MCt
500g (1cal/gC) 10C= 5000 cal
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Answer: we can ues all the time
Explanation: and have fun with it
<span>F = E/d = 80 kJ/16 m = 5000 N </span>