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2 years ago

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

Physics

1 answer:

miskamm [114]2 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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What happens to the wavelength of a wave on a string when the frequency is doubled

frozen [14]

Answer:

$\lambda'=\dfrac{1}{2}\times \lambda$

Explanation:

The number of oscillation per unit time is called frequency of a wave while the distance between two consecutive crests and the trough is called its wavelength.

The wavelength of a wave is given by :

$\lambda=\dfrac{v}{f}$

If frequency is doubled, f' = 2f

$\lambda'=\dfrac{v}{f'}$

$\lambda'=\dfrac{v}{2f}$

$\lambda'=\dfrac{1}{2}\times \dfrac{v}{f}$

$\lambda'=\dfrac{1}{2}\times \lambda$

So, when the frequency is doubled the wavelength of a wave on the string becomes half.

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2 years ago

The distance between two successive peaks on adjacent waves is its

yKpoI14uk [10]

Answer:

Wavelength

Explanation:

Wavelength is the distance between two corresponding consecutive phases of a waveform. It is usually represented by λ in the mathematical expressions.

A continuous propagating wave repeats its wavelength over the distance.

A wave has crest and trough with respect to time and space.

Wave is defined as a disturbance of any parameter repeated in a cyclic manner over the given time.

3 0

1 year ago

An element's atomic number is 17. How many protons would an atom of this element have?

Andre45 [30]

The element number 17 is associate with Chrlorine which has 17 protons and 18 neutrons.

6 0

2 years ago

Read 2 more answers

A vibrating tuning fork of frequency 512 Hz is held over a water column with one end closed and the other open. As the water lev

Luda [366]

Answer:

83.74 cm

Explanation:

The air column over water level will act as vibrating air column creating standing sound waves . Third resonance occurs when length of water column becomes equal to 5 x λ / 4 . where λ is wave length of sound.

In resonance frequency of air column and tuning fork becomes equal .

Here if L be the length of air column for third resonance

L = 5 x λ / 4

frequency of tuning fork = 512

wavelength of sound produced = velocity of sound / frequency

343 / 512

λ = .6699 m

L = 5 x .6699 / 4

= .8374 m

= 83.74 cm .

water level will be 83.74 cm deep.

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2 years ago

As part of a daring rescue attempt, the Millennium Eagle coasts between a pair of twin asteroids, as shown in the figure below w

Luden [163]

The correct answer is 3 wiv 2=6

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2 years ago