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3 years ago

Five metals that are more useful for electroplating

Physics

1 answer:

Radda [10]3 years ago

6 0

5 meteals that are more useful for electroplating carbon,seth,

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What is electromagnetic spectrum made up of

Alla [95]

The electromagnetic spectrum is made up of waves of different lengths, forming bands.

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4 years ago

In this problem, you will analyze a system composed of two blocks, 1 and 2, of respective masses m1 and m2. To simplify the anal

storchak [24]

Answer:

c. Both forces have equal magnitudes.

Explanation:

According to Newton´s 3rd Law, the force exerted by a body on another one , is equal and opposite to the one that the second object exerts on the first one.

This does not depend on the masses of the objects, so it doesn´t matter that m₁ be greater than m₂.

As examples of this, we can mention the gravity force, the electrostatic force, the normal force, etc.

So, in this case, taking into account only the magnitudes, we can say:

F₁₂ = F₂₁

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3 years ago

The pressure of a 1.0 liter balloon is at 1 atm at 293 K if you were to take the balloon into a freezer that is still at One ATM

Fofino [41]

Here we can say that number of moles as well as pressure will remain same for the balloon

so here we can say by ideal gas equation

$PV = nRT$

so here for constant pressure and constant number of moles we have

$\frac{V_1}{T_1} = \frac{V_2}{T_2}$

$\frac{1}{293} = \frac{V}{263}$

now by rearranging the equation we have

$V = \frac{263}{293}$

$V = 0.89 Liter$

so final volume will be 0.89 liter

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3 years ago

A baseball rolls along a flat parking lot in a straight line at a constant speed of 3.8 m/s. How

Studentka2010 [4]

This is a uniform rectilinear motion (MRU) exercise.

To start solving this exercise, we obtain the following data:

V = 3.8 m/s
D = ¿?
T = 15 sec

To calculate the distance, multiply the speed by the time.

We apply the following formula: d = v * t

We clear our data in the formula:

$\bf{d=3.8\dfrac{m}{\not{s}}*15 \not{s} }$

$\bf{d=57 \ m}$

The baseball in 15 seconds will roll a distance of 57 meters.

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2 years ago

Question 1(Multiple Choice Worth 4 points)

ArbitrLikvidat [17]

Question 1: Amount of energy
Question 2: Freezing ice
Question 3: Chemical change
Question 4: More energy is given off by the new bonds formed than is needed to break the original bonds.
Question 5: The resulting mass would be 35 grams.

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3 years ago