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ladessa [460]
3 years ago
7

By measuring the potential energy of an object relative to the ground, and the object's mass, you can calculate its speed when i

t hits the ground. Explain why you can do this.
A.because gravitational potential energy can convert to elastic potential energy
B.because gravitational potential energy can convert to kinetic energy
C.because the gravitational potential energy can convert to sound energy
D.because gravitational potential energy can convert to electric potential energy
Physics
2 answers:
valentina_108 [34]3 years ago
3 0

Answer:

B.because gravitational potential energy can convert to kinetic energy

Explanation:

You can calculate the speed as it hits the ground because gravitational potential energy can convert to kinetic energy.

In this way, total energy can be conserved.

  • We can equate the kinetic energy and potential energy.
  • From this we can solve for the velocity.
  • This way, we know that the potential energy is changing to kinetic energy.
Oksi-84 [34.3K]3 years ago
3 0

Answer: B

Explanation:

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(a) Most reactive {}       Metal B

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{}                                    Metal A

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