2 years ago

Waves transfer what? A. Work B. Energy C. Matter D. Power

Physics

2 answers:

Natasha2012 [34]2 years ago

7 0

B- Energy!
Hope this helps!

Sophie [7]2 years ago

5 0

I did some research its actually (B) and (C) believe it or not.

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According to the description given in the photo, the attached figure represents the problem graphically for the Atwood machine.

To solve this problem we must apply the concept related to the conservation of energy theorem.

PART A ) For energy conservation the initial kinetic and potential energy will be the same as the final kinetic and potential energy, so

$E_i = E_f$

$0 = \frac{1}{2} (m_1+m_2)v_f^2-m_2gh+m_1gh$

$v_f = \sqrt{2gh(\frac{m_2-m_1}{m_1+m_2})}$

PART B) Replacing the values given as,

$h= 1.7m\\m_1 = 3.5kg\\m_2 = 4.3kg \\g = 9.8m/s^2 \\$

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3 years ago

Find the angle ϕ between the filter's polarizing axis and the direction of polarization of light necessary to increase the ratio

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D. that looks like a rubber band.

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3 years ago

When a boat moves through the water, the waves in front of the boat bunch up, while the waves behind the boat spread out. this i

liberstina [14]

Answer: Doppler Effect

Doppler Effect can be described as the change in wavelength of a wave like upward shift in frequency for an object whom is approaching and an apparent downward shift in frequency for observers from whom the source is receding. This effect can be observed when a boat moves through the water then the waves in front bunch up while the waves behind the boat spread out.

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3 years ago

A uniform-density sphere whose mass is 13 kg and radius is 0.3 m

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3 years ago

What is the mass, in grams, of 2.00 moles of H2O?

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Answer:

36g

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Given parameters:

Number of moles of H₂O = 2moles

Unknown:

Mass of H₂O = ?

Solution:

To solve this problem, use the expression below:

Mass of H₂O = number of moles x molar mass

Molar mass of H₂O = 2(1) + 16 = 18g/mol

Mass of H₂O = 2 x 18 = 36g

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2 years ago