Questions to consider:
1 answer:
The potential energy of the skater is 2352 J
Explanation:
The gravitational potential energy of a body is the energy possessed by the body due to its position in a gravitational field. Near the Earth's surface, it can be calculated as
where
m is the mass of the body
is the acceleration of gravity near the Earth's surface
h is the height of the body relative to the ground
For the skater in this problem,
m = 60 kg
h = 4 m
Substituting, we find her potential energy:
Learn more about gravitational potential energy:
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The answers to your questions are as written below:
- The objects that represents a negatively charged particle is : Image B
- The object that represents a positively charged molecule is : Image A
- The object that represents an uncharged molecule is : Image C
- The object the will not move when in an electric fied is : Image C
A negatively charged molecule move inwards when placed in an electric field while positively charged molecule placed in a electric field will move outwards the electric field.
A neutral/uncharged molecule will remains still when placd in an elctric field due to the absence of charges.
Hence we can concude that the answers to your questions are as listed above.
Learn more about electric charges :brainly.com/question/857179
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attached below is the missing image
