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marshall27 [118]
3 years ago
12

If frequency is kept constant, how are the velocity and wavelength of a wave related?

Physics
1 answer:
Kaylis [27]3 years ago
6 0

Answer:

velocity is now propotional to the wave length

Explanation:

By definition

velocity=frequency*wave.length

when the frequency is kept a constant ,

velocity=k*wave.length

velocity is now propotional to the wave length

(higher the wavelength  ,  higher the velocity)

velocity ∝ wave length

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The Burj Khalifa is the tallest building in the world at 828 m. How much work would a man with a weight of 700 N do if he climbe
Hoochie [10]

Answer:

579600J

Explanation:

Given parameters:

Height of the building  = 828m

Weight of the man  = 700N

Unknown:

Work done by the man  = ?

Solution:

The work done by the man is the same as the potential energy expended.

 Work done:

             Work done  = Weight x height  = 700 x 828

        Work done  = 579600J

6 0
3 years ago
A 0.l ‑kilogram block is attached to an initially unstretched spring of force constant k = 40 N/m as shown right. The block is d
GalinKa [24]

Answer:

The maximum potential energy of the system is 0.2 J

Explanation:

Hi there!

When the spring is stretched, it acquires potential energy. When released, the potential energy is converted into kinetic energy. If there is no friction nor any dissipative forces, all the potential energy will be converted into kinetic energy according to the energy conservation theorem.

The equation of elastic potential energy (EPE) is the following:

EPE = 1/2 · k · x²

Where:

k = spring constant.

x = stretching distance.

The elastic potential energy is maximum when the block has no kinetic energy, just before releasing it.

Then:

EPE = 1/2 · 40 N/m · (0.1 m)²

EPE = 0.2 J

The maximum potential energy of the system is 0.2 J

8 0
3 years ago
What is the mass of an object that weighs 500 newtons on earth?
Eva8 [605]
The mass would be 51 kg. So b is the right answer.
6 0
3 years ago
If yall friend me ill give lots of points like this in the future
Ne4ueva [31]

Answer:

ok......................

3 0
3 years ago
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Answer:

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