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3 years ago

What is the shorter electromagnetic wave called? A. more powerful. B. less powerful. C. hotter. D.colder

1 answer:

Natasha2012 [34]3 years ago

7 0

I think the answer would be : A. more powerful

The shorter the electromagnetic wave is, the closer it is to the electromagnetic core, which make it more powerful

hope this helps

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If Vx = 7.00 units and Vy = -7.60 units, determine the magnitude of V⃗ .

Juliette [100K]

|V| = 10.33 units and the direction θ = -47.35° or 312.65°.

Given the x and y components of a vector, we can calculate the magnitude and direction from these components.

Applying the Pythagorean theorem we have that the magnitude of the vector is:

|V| = $\sqrt{Vx^{2}+Vy^{2} }$

|V| = $\sqrt{(7.00units)^{2}+(-7.60units)^{2}} = \sqrt{106units^{2}} = 10.33units$

The expression for the direction of a vector comes from the definition of the tangent of an angle:

tan θ = $\frac{Vy}{Vx}$ ------> θ = arc tan $\frac{Vy}{Vx}$

θ = arc tan $\frac{-7.60units}{7.00units}$

θ = -47.35° or 312.65°

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3 years ago

What are the characteristics of weight

Arlecino [84]

Shape or texture...im just try....

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4 years ago

A falling ball of mass 0.5 kg experiences a downward force due to gravity of mg (where g = 9.8 m/s2) and an upward force of air

schepotkina [342]

Applying Newton's Second Law of Motion, the acceleration of the ball is 16.8 $m/s^2$

Given the following data:

Mass = 0.5 kg

Acceleration due to gravity = 9.8 $m/s^2$

Upward force = 3.5 N.

To find ball's acceleration, we would apply Newton's Second Law of Motion:

First of all, we would determine the net force acting on the ball.

$Net \; force = Upward\;force + Downward\;force$

$Downward\;force = 0.5$ × $9.8$

Downward force = 4.9 N

$Net \; force = 3.5 + 4.9$

Net force = 8.4 N

Mathematically, Newton's Second Law of Motion is given by this formula;

$Acceleration = \frac{Net\;force}{Mass}\\\\Acceleration = \frac{8.4}{0.5}$

Acceleration = 16.8  $m/s^2$ 

Therefore, the acceleration of the ball is 16.8 $m/s^2$

Read more here: brainly.com/question/24029674

6 0

3 years ago

A quantity of a gas has an absolute pressure of 400 kPa and an absolute temperature of 110 degrees kelvin. When the temperature

shepuryov [24]

You can make sure there's no change in volume by keeping
your gas in a sealed jar with no leaks. Then you can play with
the temperature and the pressure all you want, and you'll know
that the volume is constant.

For 'ideal' gases,

   (pressure) times (volume) is proportional to (temperature).

And if volume is constant, then

   (pressure) is proportional to (temperature) .

So if you increase the temperature from 110K to 235K,
the pressure increases to (235/110) of where it started.

   (400 kPa) x (235/110) = 854.55 kPa. (rounded)

Obviously, choice-b is the right one, but
I don't know where the .46 came from.

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3 years ago

What is the total number of components into which a single force can be reso

anygoal [31]

Two components (vertical and horizontal)

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4 years ago