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Greeley [361]
3 years ago
12

How does increasing the amount of charge on an object affect the electric force it exerts on another charged object?

Physics
2 answers:
antoniya [11.8K]3 years ago
3 0

Answer:

a

Explanation:

finlep [7]3 years ago
3 0

<u><em>Answer:</em></u>

<u><em>A</em></u>

<u><em>Explanation:</em></u>

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Which sentence is a correct statement of Newton's second law?
erma4kov [3.2K]

Answer:

B. A object in motion stays in motion, and an object at rest stays at rest unless acted upon by a net force.

4 0
3 years ago
An incident ray strikes a piece of diamond at an angle of 40.5 degrees. The index of refraction of air is 1.0003 and the index o
horrorfan [7]

The angle of refraction is 15.6 deg.

When a ray of light passes from medium 1 to medium 2, the refractive index of medium 2 with respect to 1 is the ratio of the absolute refractive index of medium 2 and medium 1

_1n_2 =\frac{n_2}{n_1}

When light passes from air into diamond, with the given values of refractive indices,

_an_d =\frac{n_d}{n_a}  =\frac{2.42}{1.0003} =2.4193

According to Snell's law,

_an_d=\frac{sini}{sinr} \\  sinr=\frac{sini}{_an_d} =\frac{sin(40.5)}{2.4193}=0.2684\\   r=arcsin(0.2684)=15.57 deg

The angle of refraction is 15.6 deg

7 0
4 years ago
Read 2 more answers
With the aid of a suitable diagram, explain what is meant by an electromagnetic wave.
suter [353]

Answer:

Electromagnetic waves or EM waves are waves that are created as a result of vibrations between an electric field and a magnetic field. In other words, EM waves are composed of oscillating magnetic and electric fields.

Explanation:

3 0
3 years ago
Akito pushes a wheelbarrow with 800 W of power. How much work is required to get the wheelbarrow across the yard in 12 s? Round
Oxana [17]

Answer:

9600

Explanation:

5 0
3 years ago
Read 2 more answers
An object 16.8 cm tall is placed in front of a converging lens. A real image, 46 cm tall, is formed on the other side of the len
worty [1.4K]

Answer:

2.74

Explanation:

Magnification = image distance/object distance

Mag = v/u

Given

v = 46cm

u = 16.8

Magnification = 46/16.8

Magnification = 2.74

Hence the magnification is 2.74

7 0
3 years ago
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