1km=10^3 m,1km^3=10^9cubic metres answer is 1.4x10^18cubic meters
I think it’s C. Stroke if not then D
The first law of thermodynamics states the conservation of energy and heat where the total energy in an isolated system may be transformed into another, but never created or destroyed. If 286 J of energy was released to the room, then also 286 J of energy was also removed from food in that refrigerator assuming it is an isolated system. :)
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brainly.com/sf/question/3844753I tried to help
Since force is mass*acceleration,
F = 70kg * 9.8 m/s