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Setler79 [48]
3 years ago
3

Describe the mechanical energy and the thermal energy of a bouncing basketball

Physics
1 answer:
miskamm [114]3 years ago
8 0

Answer:

when the ball is bounced gravitationally energy is released (more info below)

Explanation:

When a force is applied down to the ball, the gravitational potential energy is converted into kinetic energy before it hits the earth. Cinetic energy is converted into vibration, thermal, and static electrical energy, before the momentum of the ball pushes the ball back up into the hands of the people.

hope this helped!

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D. Write the symbol for the nucleus that completes each nuclear equation. (1 point each)
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Answer:

Ra, 88

Ru, 44

Cr, 24

Explanation:

i

the remaining mass number is 224(228 - 4), and it's atomic number is 88(90 - 2). The element is Radium, Ra

ii

the remaining mass number is 98(98 - 0), and it's atomic number is 44(45 - 1). The element is Ruthenium, Ru

iii

The remaining mass number is 52(52 - 0), and it's atomic number is 24(23 - -1). The element is Chromium, Cr

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The cue exerts force onto the white ball which pushes the blue ball into the direction of the hole.
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This is because they use less energy and also they seem to last longer.
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Two forces produce equal torques on a door about the door hinge. The first force is at the midpoint of the door; the second forc
Andreas93 [3]

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The doorknob

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Hitting the door further out will cause greater magnitude than hitting it closer to where the door swings.

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Ksenya-84 [330]

Explanation:

It is given that,

A ball hits the ground at 40 m/s

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Let it take t seconds to hit the ground. When it hits the ground, its final speed, v = 0 and u = 40 m/s. So,

h=ut+\dfrac{1}{2}gt^2\\\\h=\dfrac{1}{2}gt^2\\\\t=(\dfrac{2h}{g})^{1/2}\\\\t=(\dfrac{2\times 81.63}{9.8})^{1/2}\\\\t=4.08\ s

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