PHYSICS HIGH SCHOOL

To begin a dive, a diver jumps into the air and then lands on the diving board, causing it to bend. What type of energy conversions occur as the board springs back and propels the diver up into the air?

Answers

Answer 1
Answer: As the board springs back, the energy from the person jumping up onto the board is converted into potential energy. 
As the diver goes up into the air, the potential energy is converted into kinetic energy and gravitational potential energy.

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A. Gravity pushes down, normal force pushes up.

a firefighter arrived at a burning building and felt the heat immediately this is due to the thermal energy transfered by

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... the process of "radiation".  He would feel it even if there were
no air between the fire and him.
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Answer: Diagonal going up

Explanation:

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Nicolaus Copernicus was considered: a heretic because his theory disagreed with the church a hero because his theory agreed with current beliefs the "Father of Astronomy" because he believed the earth was the center of the solar system

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Answer:

A heretic because his beliefs disagreed with the church
Nicolaus Copernicus was considered the "Father of Astronomy" because he believed the earth was the center of the solar system. The rest of the choices do not answer the question above.

When vibrational motion in an object increases, which is a true statement?A.
Kinetic energy and temperature increase; thermal energy decreases.

B.
Kinetic energy, temperature, and thermal energy increase.

C.
Kinetic energy, temperature, and thermal energy decrease.

D.
Kinetic energy and temperature decrease; thermal energy increases.

Answers

When vibrational motion in an object increases, the statement that is true is that the kinetic energy temperature and thermal energy increases. The correct option among all the options that are given in the question is the second option or option "B". I hope the answer comes to your help. 
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