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devin030505
07.10.2019 •
Physics
Select the correct equations that show that the gravitational potential energy of a 1000-kg boulder raised 6 m above ground level is 60,000 j. (you can express g in units of n/kg because m/s2 is equivalent to n/kg.)
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Ответ:
Explanation:
The gravitational potential energy of an object is defined as:
where
m is the mass of the object
g is the gravitational acceleration
h is the height of the object above a reference level (usually, the ground)
For the boulder in the problem,
m = 1000 kg
g = 10 N/kg
h = 6 m
Substituting,
Ответ:
It would be 50 kg.
Mass doesn't change.
Weight can.