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seropon [69]
2 years ago
15

Which box will not accelerate?

Physics
2 answers:
DiKsa [7]2 years ago
6 0

Answer:

b

Explanation:

i know

Vladimir79 [104]2 years ago
3 0

Answer:

b one will not accelerate

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The display of the aurora and the reflection of radio waves back to earth result from the _____.
Tasya [4]

The layer of electrically charged molecules and atoms which spans 40-250 miles above ground called ionosphere causes the display of the aurora and the reflection of radio waves back to earth.

8 0
3 years ago
Read 2 more answers
You hold a spherical salad bowl 50 cm in front of your face with the bottom of the bowl facing you. The salad bowl is made of po
nataly862011 [7]

Answer:

a) q = 39.29 cm ,  b)   h ’= - 3.929 cm  the image is inverted  and REAL

Explanation:

For this exercise we will use the equation of the constructor

          1 / f = 1 / p + 1 / q

where f is the focal length of the salad bowl, p and q are the distance to the object and the image

The metal salad bowl behaves like a mirror, so its focal length is

           f = R / 2

           f = 44/2

           f = 22 cm

a) Suppose that the distance to the object is p = 50 cm, let's find the distance to the image

           1 / q = 1 / f  - 1 / p

           1 / q = 1/22 - 1/50

           1 / q = 0.0254

            q = 39.29 cm

b) to calculate the size of the image we use the equation of magnification

           m = h’/ h = - q / p

            h ’= - q / p h

            h ’= - 39.29 / 50 5

            h ’= - 3.929 cm

the negative sign means that the image is inverted

as the rays of light pass through the image this is REAL

4 0
3 years ago
If a 1,000-kg car is traveling at 20.0 m/s when it reaches the bottom of a circular hill of radius 8.00 m, what normal force doe
scoray [572]

Answer:

i don't know this one.

Explanation:

6 0
2 years ago
A device that uses electromagnetic induction to transfer electrical energy from one circuit to another is a(n)_____.
Nutka1998 [239]

A device that uses electromagnetic induction to transfer electrical energy from one circuit to another is a transformer.

<h3>Which device uses electromagnetic induction to transfer electrical energy from one circuit to another?</h3>

  • A transformer is an electrical device that transfers energy from one electric circuit to another using the electromagnetic induction principle.
  • It is intended to change the AC voltage between the circuits while keeping the current's frequency constant.
  • A transformer work on the principle of electromagnetic induction in which flux is linked from primary to secondary.
  • Transformers accomplish this without establishing a conductive link between the two circuits. This is made feasible by using Faraday's Law of Induction, which explains how an electric circuit will interact with a magnetic field to produce an electromotive force (EMF).

To learn more about transformers refer:

brainly.com/question/25886292

#SPJ4

3 0
1 year ago
Object has a mass of 35g and a density of 5g/cm3. <br> What is the volume? *
anygoal [31]

Answer:

<h3>The answer is 7.0 mL</h3>

Explanation:

The volume of a substance when given the density and mass can be found by using the formula

volume =  \frac{mass}{density} \\

From the question

mass = 35 g

volume = 5 g/cm³

We have

volume =  \frac{35}{5}  \\

We have the final answer as

<h3>7.0 mL</h3>

Hope this helps you

8 0
3 years ago
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