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weqwewe [10]
3 years ago
6

Which law states that a charge cannot be created or destroyed?. A. Law of Conservation of Charge . B. Law of Conservation of Mot

ion . C. Ohm's law . D. Law of Conservation of Energy
Physics
1 answer:
Sedbober [7]3 years ago
7 0
The correct answer for the given question above would be option D. The law that states that a charge cannot be created nor destroyed is the Law of Conservation of Energy. The Law of Conservation of Energy s<span>tates that the total amount of energy in an isolated system remains constant over time. Therefore, it can never be created nor destroyed.</span>
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2 years ago
Sean climbs a tower that is 71.3 m high to make a jump with a parachute. The mass of Sean plus the parachute is 81.4 kg. If U =
myrzilka [38]

Answer:

U = 56877.4 J

Explanation:

The potential energy of a body is that which it possesses because it is located at a certain height above the surface of the earth and can be calculated using the following formula:

U = mgh Formula (1)

Where:

U is the potential energy in Joules (J)

m is the mass of the body in kilograms (kg)

g is the acceleration due to gravity (m/s²)

h is the height at which the body is found from the surface of the earth in meters (m)

Data

m= 81.4 kg

g= 9.8 m/s²

h = 71.3 m

Potential energy of Sean and the parachute at the top of the tower

We replace data in the formula (1)

U = m*g*h

U = (81.4 kg)*(9.8 m/s²)*(71.3 m)

U = 56877.4 N*m

U = 56877.4 J

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3 years ago
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Answer:

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Explanation:

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Explanation:

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