2 years ago

Which of the following is happening right now in the Milky

Physics

2 answers:

Oduvanchick [21]2 years ago

6 0

Its D. All of the above

serious [3.7K]2 years ago

5 0

Answer:

D) All of the above

Explanation:

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A night lamp uses a 30 W bulb. If it is left on continuously for 8 hours, how much energy will it use?

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Answer:

Explanation:

$30W * 8 h = 240 Wh = 0.240 kWh$

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3 years ago

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The expression known as Froude's number is given as Upper F equals StartFraction v squared Over gl EndFraction . This number wa

bearhunter [10]

Answer: $v=5.529\ m/s$

Explanation:

Given

number is given as $=\frac{v^2}{gl}$

and $number=2.6$

$l=1.2\ m$

g=acceleration due to gravity $(9.8\ m/s^2)$

calculating for $v$

$v^2=gl(2.6)$

$v=\sqrt{2.6\times 9.8\times 1.2}$

$v=\sqrt{30.576}$

$v=5.529\ m/s$

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3 years ago

Contrasting the Doppler effect with shock waves, the one that requires the faster source is?

MAXImum [283]

I think shock waves require more speed they travel at the speed of sound

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3 years ago

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The number of employees for a certain company has been decreasing each year by 4%. If the company currently has 650 employees an

nika2105 [10]

The answer would probably be 649.96

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3 years ago

You carry a 5 kg sack of potatoes across the store for 5 minutes, and you wait in line holding it for 30 seconds before you get

ludmilkaskok [199]

Answer:

The only work done is when the person lifts the sack over a distance, W = 78.48 [N]

Explanation:

We have to remember the definition of work, which tells us that work is the result of a force by a distance, we must apply this concept in each of the movements of the person in the problem described.

W = F * d

where:

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d = distance [m]

The force is given by the producto of the mass by the gravity.

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3 years ago