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Vaselesa [24]
4 years ago
8

When you measure the current and voltage in a ac circuit with a multimeter, is your result the peak value or the rms value?

Physics
1 answer:
Vladimir [108]4 years ago
8 0
Ac voltmeters and ammeters usually give rms readings.
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Two flywheels of negligible mass and different radii are bonded together and rotate about a common axis (see below). The smaller
Assoli18 [71]

Answer:

29.17 N

Explanation:

Because of the vector notation, I wrote it down instead. It's quite pretty much self explanatory.

See the attachment

7 0
3 years ago
A liquid has a specific heat of 9 J/g • °C and a solid has a specific heat of 3 J/g • °C. Which
ad-work [718]

Explanation:

substances have been in direct sunlight for up to 60 minutes. ... cool the fastest? ... 0.60 J/g °C. Match & then label each substance with its specific heat capacity ...

3 0
3 years ago
Scientists refer to half of the planets as inner planets because they are relatively close to the Sun. They refer to the other h
Korvikt [17]

You've made it very very very very difficult for us to "... use the data in the table ...", by simply not letting us see the table.

However, we're used to that kind of thing here at Brainly.  You see, we have done so much with so little for so long that NOW, we can do nearly anything with almost nothing in virtually no time.  

Hence and therefore, despite your best efforts to render this question impenetrable due to acute lack of data, I was able to walk a short distance down the hall, and consult with today's Astronomy expert.  When I showed him the question, he chortled, and quoth:  "ANYbody could answer this one if they HAVE the data in the table, but if you're really Brainly, you know jour stoff, and jou don need no stinkin table."

-- The "inner planets" are Mercury, Venus, Earth, and Mars.

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5 0
3 years ago
As 390 g of hot milk cools in a mug, it transfers 30,000 J of heat to the environment. What is the temperature change of the mil
lesantik [10]

Answer:

Temperature change of the milk is ΔT =19.72 K

Explanation:

Given :

Mass of milk, m = 390 g

Heat transfer, Q = 30000 J

Specific heat capacity, c = 3.9 J/g °C

Temperature change = ΔT

Therefore, we know that heat released by milk is heat absorbed by the surrounding environment.

Q = m x c x ΔT

30000 = 390 x 3.9 x ΔT

30000 = 1521 x ΔT

Therefore, ΔT = 19.72 K

Thus, the temperature change of the milk is ΔT =19.72 K

4 0
4 years ago
you measure that it takes 0.75 seconds for a leaf to fall from a tree to the ground. the leaf experiences air resistance as it f
ella [17]
There's not enough information given in the problem to calculate that answer.

A leaf falling from a tree on Earth, a sheet of printer paper falling off the back
of a truck on Venus, and a steel ball sinking through a bucket of Scotch whiskey
on Mars, might all reach the bottom in 0.75 second.  The time it would take each
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3 years ago
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