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3 years ago

The frequency of which type of eletromagtic wave i just higher than that of visible light

Physics

2 answers:

Gwar [14]3 years ago

7 0

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Answer: Electromagnetic waves with wavelengths just shorter than those of visible light; Ultraviolet rays carry out more energy than visible light because it has a higher frequency. Electromagnetic Waves with wavelengths just shorter than those of ultraviolet rays; X-Rays can penetrate through most matter.

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yawa3891 [41]3 years ago

3 0

visible light goes from red to violet in increasing frequencies. so just higher than visible light is the <u>ultra-violet</u> light/electromagnetic wave.

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How much work is done on 10.0C of charge to move it through a potential difference of 9V in 10s?

Norma-Jean [14]

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5 0

3 years ago

The thrust of a certain boat’s engine generates a power of 10kW as the boat moves at constant speed 10ms through the water of a

Lunna [17]

Answer:

The change in power is 4400 W.

Explanation:

Given that,

Power = 10 kW

Speed = 10 m/s

Increases speed = 12 m/s

Given equation is,

$F=kv$

We know that,

The power is,

$P=Fv$

Put the value of F into the formula

$P=(kv)v$

$P=kv^2$

$P\propto v^2$

We need to calculate the new power

Using formula for power

$\dfrac{P}{P'}=\dfrac{v^2}{v'^2}$

Put the value into the formula

$\dfrac{10}{P'}=(\dfrac{10}{12})^2$

$P'=(\dfrac{12}{10})^2\times10$

$P'=14.4\ kW$

We need to calculate the change in power

Using formula of change in power

$\Delta P=P'-P$

Put the value into the formula

$\Delta P=14.4-10$

$\Delta P=4.4\ kW$

$\Delta P=4.4\times1000$

$\Delta P=4400\ W$

Hence, The change in power is 4400 W.

6 0

3 years ago

. If the centripetal and thus frictional force between the tires and the roadbed of a car moving in a circular

mel-nik [20]

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2 years ago

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777dan777 [17]

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Answer-3

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3 years ago

A huge rotating cloud of particles in space gravitate together to form an increasingly dense ball. As ir shrinks in size, the cl

Trava [24]

Answer:

rotates faster

Explanation:

A huge rotating cloud of particles in space gravitate together to form an increasingly dense ball As it shrinks in size, the cloud rotates faster. Because Angular momentum is conserved, so when it shrinks the moment of inertia decreases, then angular speed must increase. So it rotates fast.

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3 years ago