PHYSICS MIDDLE SCHOOL

These clouds appear long, flat, and spread across the sky.Cirrus
Stratus
Cumulus
Stigform

Answers

Answer 1
Answer: Stratus –layered or sheet like, low (50 - 6500 feet)Cumulus – puffy cotton balls, vertical developmentNimbus – dark and rainyCirrus – feather-like, high (20 000 feet)Alto – medium altitude (6500 - 20 000 feet)
Answer 2
Answer: I think the answer is Cirrus. They are flat feathery clouds that usually stretch long distances over the sky.

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If an object is being pulled by two forces, one 4 N to the left and the other 2 N to the right, what is the net force acting on the object?

Answers

Since this object is being pulled by two forces, the net  force acting on the object is 2 Newton, to the left.

  • Let the first force be A.
  • Let the second force be B.

Given the following data:

  • Force A = 4 Newton, to the left.
  • Force A = 2 Newton, to the right.

To find the net  force acting on the object:

A net force can be defined as the vector sum of all the forces that are acting on a physical object or body.

This ultimately implies that, a net force is a single (one) force that substitutes the effect of all the forces acting on a physical object or body.

Mathematically, net force is given by the following:

Net \;force = F_1 + F_2 + F_3 + F_4 + .....F_n

Where:

  • F represents each force.

In this scenario, the forces are acting in opposite directions (left and right) and as such, we would subtract the two forces:

Net\;force = F_A - F_B\n\nNet\;force = 4 - 2

Net force = 2 Newton, to the left.

Note: The direction is to the left because Force A has more magnitude than Force B, so the object would be pulled to the left.

Read more: brainly.com/question/22210180

Answer:

2N

Explanation:

subtract  rthe two forces to see which is greater

4-2=2

What characteristic of life would maintaining this balance be

Answers

Explanation:When any living organism gets thrown off balance, its body or cells help it return to normal. In other words, living organisms have the ability to keep a stable internal environment. Maintaining a balance inside the body or cells of organisms is known as homeostasis.

What is the frequency of light with a wavelength of 6.33x10^-7m

Answers

Answer:

4.74\cdot 10^(14)Hz

Explanation:

The frequency of an electromagnetic wave is given by

f=(c)/(\lambda)

where

c=3.0\cdot 10^8 m/s is the speed of light

\lambda is the wavelength

For the light wave in this problem, the wavelength is

\lambda=6.33\cdot 10^(-7)m

So by using the equation above, we find its frequency:

f=(3\cdot 10^8 m/s)/(6.33\cdot 10^(-7) m)=4.74\cdot 10^(14)Hz

Final answer:

The frequency of light can be found by using the formula f = c ÷ λ, where c is the speed of light and λ is the wavelength. By substituting these values into the formula, you can calculate the frequency of light with a given wavelength.

Explanation:

When you are given the wavelength of light and asked to find its frequency, you would use the formula c = fλ, where c is the speed of light (3.00 x 10⁸ m/s in vacuum), f is the frequency, and λ is the wavelength. To find the frequency, we rearrange this formula to get f = c ÷ λ. Given the wavelength λ = 6.33 x 10^-7 m, we can substitute these values into the rearranged formula to find the frequency:

f = (3.00 x 10⁸ m/s)  ÷  (6.33 x 10^-7 m)

By calculating the above equation, you will find the frequency of the light with the given wavelength.

Learn more about Frequency of Light here:

brainly.com/question/10732947

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What portion of the electromagnetic spectrum can human eyes detect? A.
visible light

B.
visible light and infrared light

C.
infrared light

D.
infrared light and ultraviolet light

Answers


Well, there's a very definite reason why a certain sliver of the electromagnetic
spectrum is called "visible". 

The meaning of the word 'visible' is 'can be seen with eyes', and that's the label
given to the part of the electromagnetic spectrum that can be seen with eyes.
It doesn't include infrared or ultraviolet radiation, because those cannot be seen
with eyes.  Only the 'visible' wavelengths can.

Answer:

visible light

Explanation:

I don't understand how to find the frequency and period of wavelengths. Can anyone help me?

Answers


Frequency of a wave =

                 (speed of the wave) divided by (wavelength)
or
                 (1) divided by (period of the wave) .


Period of the wave =

                   (wavelength) divided by (speed of the wave)
or
                   (1) divided by (frequency of the wave) .

I traveled 6.00 km to school in 0.250 hours . What was my average speed

Answers

Answer: 6.67 m/s

Explanation:

Recall that average speed is the total distance covered by a moving body divided by the total time taken. The SI unit is metres per second.

i.e Average speed = distance/time taken

Given that:

Distance covered = 6.00 km

Convert kilometers to meters

If 1 km = 1000 m

6.00 km = (6.00 x 1000) = 6000m

Time taken to school = 0.250 hours

Convert time in hours to seconds

If 1 hour = 60 minutes & 1 minute = 60 seconds

Then, 0.250 hours = (0.250 x 60 x 60)

= 900 seconds

Average speed = ?

Average speed = 6000m/900s

= 6.67 m/s

Thus, your average speed to school is 6.67 m/s
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