2 years ago

Use the drop-down menus to complete each sentence.

Physics

1 answer:

qaws [65]2 years ago

6 0

Answer:b

Explanation:

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A force of 100 N acts on a body and moves at a distance of 2 m in the direction of the force. How much work has been done?

Flauer [41]

Answer:

200 joules

Explanation:

work=force×distance

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2 years ago

A light wave travels through air at a speed of 3.0x108 m/s. Green light has a wavelength of about 5.76x1014Hz. What is the wavel

solong [7]

Answer:

521 nm

Explanation:

Given the values and units we are given, I'm assuming 5.76*10^14 Hz is frequency.

The formula to use here is λ * υ = c, where λ is wavelength, υ is frequency, and c is the speed of light.

λ = $\frac{3*10^8\frac{m}{s} }{5.76*10^{14}Hz} = {5.20833*10^{-7} m}\approx{521 *10^{-9}m}={521 nm}$

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2 years ago

When there is a change of state, such as a solid to liquid or liquid to gas, heat energy can be added without a temperature chan

Romashka-Z-Leto [24]

I’m pretty sure the answer is C. Any change of state or movement requires energy

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3 years ago

What is the centripetal force

Lelechka [254]

Answer:90N

Explanation:

Mass=30kg

Centripetal acceleration=3m/s^2

centripetal force=mass x centripetal acceleration

Centripetal force=30 x 3

Centripetal force =90

Centripetal force =90N

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3 years ago

In Hooke’s law, what does the x represent?

Arte-miy333 [17]

X Represents the distance the spring is stretched or compressed away from its equilibrium or rest position.

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3 years ago

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