toricarter00
07.11.2019 •
Chemistry
What is the potential energy of a car with a mass of 1200kg at the top of a 42m high hill?
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Ответ:
P.E = 493920 j
Explanation:
Given data:
Mass = 1200 kg
height = 42 m
Potential energy = ?
Solution:
Formula:
P.E = mgh
Now we will put the values in formula.
g = 9.8 m/s²
P.E = 1200 Kg × 9.8 m/s²× 42 m
P.E = 493920 Kg.m²/s²
Kg.m²/s² = j
P.E = 493920 j
Ответ:
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