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3 years ago

State the basic law of charges

Physics

2 answers:

vlabodo [156]3 years ago

8 0

Answer:

Things that have the same charge push each other away (they repel each other). This is called the Law of Charges. … Things that have more electrons than protons are negatively charged, while things with fewer electrons than protons are positively charged. Things with the same charge repel each other.

Explanation:

Vlad [161]3 years ago

4 0

Things that have the same charge push each other away (they repel each other). This is called the Law of Charges. ... Things that have more electrons than protons are negatively charged, while things with fewer electrons than protons are positively charged. Things with the same charge repel each other.

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On a hot summer day a young girl swings on a rope above the local swimming hole. when she lets go of the rope her initial veloci

weqwewe [10]

Refer to the diagram shown below.
h = height of the girl above water when she lets go of the rope.

The launch velocity is 22.5 m/s at 35° to the horizontal. Therefore the vertical component of the velocity is
v = 22.5 sin(35°) = 12.9055 m/s.

The time of flight is t = 1.10 s before the girl hits the surface of the water at a height of -h.
Therefore
-h = (12.9055 m/s)*(1.10 s) - (1/2)*(9.8 m/s²)*(1.10 s)²
-h = 8.267 m
= 8.3 m (nearest tenth)

Answer:
When the girl let go of the rope, she was about 8.3 m above the surface of the water.

5 0

4 years ago

A diver shines a flashlight upward from beneath the water (n = 1.33) at a 32.7° angle to the vertical. At what angle does the li

suter [353]

Answer:

45.93°

Explanation:

The angle of incidence is given as 32.7°

The refractive index of the water that is $n_1=1.33$

Refractive index of the air that is $n_2=1$ (because the refractive index of air is 1 )

We have to find the angle at which the light leave the water means angle of refraction

So according to snell's law $n_1sini=n_2sinr$

$1.33sin32.7=1\times sinr$

$sinr=0.7185$

r =45.93°

So the light leave the water at an angle of 45.93°

3 0

4 years ago

Sally and Suzy are moving into their first college dorm together. They are loading all their furniture onto a truck with a ramp

Ksenya-84 [330]

Answer:

Explanation:

Formula

Mechanical advantage = length of the ramp / height

Givens

Length of the ramp = 8

Mechanical advantage = 2

height = ?

Solution

2 = 8feet / height Multiply both sides by height

2* height = 8 feet * height / height Combine

2* height = 8 feet Divide by 2

2*height/2 = 8 feet/2

height = 4 feet.

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3 years ago

How many times farther is Proxima Centauri from the sun than is earth from the sun

Aleks04 [339]

Answer:

Of the three stars in the system, the dimmest - called Proxima Centauri - is actually the nearest star to the Sun. The two bright stars, called Alpha Centauri A and B form a close binary system; they are separated by only 23 times the Earth - Sun distance.

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3 years ago

Read 2 more answers

the aeroplane in fig 3.1 flies an outward journey from Budapest (Hungary) to palermo (Italy) in 2.75 the distance is 2200 KM (i)

azamat

Answer: what is the cause

Explanation:

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3 years ago

State the basic law of charges​

State the basic law of charges