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Licemer1 [7]
3 years ago
9

Charina says that when waves interact with an object, they will interfere with the object, and when waves interact with other wa

ves, they will reflect off each other. do you agree with her? why or why not?
Physics
2 answers:
qaws [65]3 years ago
7 0

I completely don't agree with her, as a result of interference happens once waves act with alternative waves. Reflection happens once waves act with an associated object and bounce off it.

Explanation:

No, she has it backward. Waves interfere with one another and mirror off objects. once 2 waves overlap their amplitudes add. If they need a similar sign this addition is constructive, which means the amplitudes grow. If they need opposite signs this constitutes subtraction and also the waves will partly, or utterly cancel. this can be referred to as interference.

Reflection happens once waves travel from one medium to a different. If the wave electric resistance of the new medium is totally different (which it usually is) there'll be a partial, or maybe total, reflection.

Fofino [41]3 years ago
3 0
I would not agree with her since reflection and refraction happens only when waves hit an object. When, waves meet it is either it experiences constructive or destructive interference. Hope this answers the question. Have a nice day.
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Identify solar, wind, nuclear, and tidal power as nonrenewable or renewable energy
Nostrana [21]

Answer:

Renewable energy: Tidal, solar and wind

Non renewable energy: nuclear power

Explanation:

Renewable energy is any energy in which its source is always replenished or renewed.

While non renewable energy sources cannot be replenished or renewed immediately because of its limited availability of resources.

Most renewable energy sources are natural sources.

Solar, tidal and wind energy are renewable energy known as clean energy. While nuclear energy is a non renewable energy in which its source of energy is fuel ( uranium e.t.c)

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3 years ago
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3 years ago
the average power of the Sun is 3.79x1026 Watts, answer the following questions: 13. What is the average intensity of light at E
Lemur [1.5K]

Explanation:

Given that,

Average power of sun P=3.79\times10^{26}\ Watt

We need to calculate the intensity of light at Earth's position

Using formula of intensity

I=\dfrac{P_{avg}}{4\pi r^2}

Where, I = intensity

P = power

Put the value into the formula

I=\dfrac{3.79\times10^{26}}{4\pi\times(1.496\times10^{11})^2}

I=1347.616\ W/m^2

So, The intensity is 1347.616 W/m².

(A). We need to calculate the pressure on a solar sail due to the light of the sun if it's fully reflective

Using formula for fully reflective

P = \dfrac{2I}{c}

Put the value into the formula

P=\dfrac{2\times1347.616}{3\times10^{8}}

P=8.984\times10^{-6}\ N/m

(B).  We need to calculate the pressure on a solar sail due to the light of the sun if it's fully reflective

Using formula for fully absorptive

P=\dfrac{I}{c}

P=\dfrac{1347.616}{3\times10^{8}}

P=4.492\times10^{-6}\ N/m

Hence, This is the required solution.

6 0
3 years ago
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3 years ago
(I) A novice skier, starting from rest, slides down an icy frictionless 8.0° incline whose vertical height is 105 m. How fast is
Vlad1618 [11]

Answer:

v = 45.37 m/s

Explanation:

Given,

angle of inclination = 8.0°

Vertical height, H  = 105 m

Initial K.E. = 0 J

Initial P.E. = m g H

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Final KE = \dfrac{1}{2}mv^2

Using Conservation of energy

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v = 45.37 m/s

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3 years ago
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