3 years ago

Some waves can only travel through matter. What is this matter called?

1 answer:

6 0

A water wave is an example of a mechanical wave. A wave that can travel only through matter is called a mechanical wave.

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Which statement best explains the difference between longitudinal and transverse waves?

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Answer:

the answer here would be A

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The first law of thermodynamics states that △E = Q-w. is this also a statement of the principle of conversation of energy? A. Th

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Its <span>A. The heat that flows into the system is transformed into work and a change in internal energy</span>

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What happens to light when it enters a lens? A) It speeds up B) It is reflected C) It is refracted D) It becomes brighter.

choli [55]

When light enters a lens, C) it is refracted.
Since it is bent when it enters a lens, it has to be refracted.

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I want to make a Twinkie splat when I throw it off a building. Because Twinkies are notoriously hard to crush, I want it to hit

Monica [59]

Answer:

$s=253.6524712 \approx 253.7$

Explanation:

From the question we are told that

Initial speed $v=8ft/s$

Final speed $v=128ft/s$

Generally the Newtons equation of motion is mathematically represented by

$V_f^2-V_0^2=2as$

with

Therefore

$a=g=>9.81m/s^2\\a=32.17ft/s^2$

Therefore

$128^2-8^2=2*(32.17)*s$

$16320=2*(32.17)*s$

$s=\frac{16320}{2*(32.17)}$

$s=253.6524712 \approx 253.7$

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3 years ago

Which calculation is an example of velocity

Dmitry_Shevchenko [17]

Answer:

Yes

Explanation:

sun rays towards the earth is an example of velocity

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