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3 years ago

What is the seventh planet from the sun?

Physics

2 answers:

stiv31 [10]3 years ago

7 0

The seventh planet from the sun is Uranus.

soldier1979 [14.2K]3 years ago

5 0

Uranus I believe is the answer.

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If you punched thousands of holes in the aluminum foil of the scope (so there were more "holes" than "foil"), how many imageswou

klasskru [66]

Answer:

If you punched thousands of holes in the aluminum foil, you would see thousands of small images in the viewer.

Explanation:

If thousands of holes is punched/perforated in an aluminum foil, such that there were more holes than foil.

Thousands of small images would be formed, which can be seen in the viewer. Aluminum foil has a good reflective property which allows the thousands of holes punched to reflect equal number of images, although the images are smaller in size than the original image size.

3 0

3 years ago

When an object such as a plastic comb is charged by rubbing it with a cloth, the net charge is typically a few microcoulombs. If

masya89 [10]

The concept required to solve this problem is quantization of charge.

First the number of electrons will be calculated and then the total mass of the charge.

With these data it will be possible to calculate the percentage of load in the mass.

$Q= ne$

Here Q is the charge, n is the number of electrons and e is the charge on the electron

$n = \frac{Q}{e}$

Replacing,

$n = \frac{4*10^{-6}C}{1.6*10^{-19}}$

$n = 2.5 * 10^{13}77$

According to the quantization of charge the charge is defined as product of the number of electron and the charge on the electron

The total mass of the charge is

$m= nm_e$

Here,

m = Mass of the charge

n = Number of electrons

$m_e$ = Mass of the electron

$\text{Percentage change} = \frac{nm_e}{M}*100$

Replacing we have

$\text{Percentage change} = \frac{(2.5*10^13)(9.1*10^{-28})}{33}*100$

$\text{Percentage change} = 6.9*10^{-14} \%$

6 0

4 years ago

What does Kepler's second law state? A. Planets travel in ellipses. B. Planets sweep equal areas in equal times. C. A planet's a

andrey2020 [161]

Kepler's second law of planetary motion says that the imaginary line
from the Sun to the planet sweeps out equal areas in equal periods
of time.

It's just as true of comets, asteroids, dwarfs, coasting space probes ...
anything in the solar system that's coasting in gravity, and not firing engines.

That's why a comet moves so fast when it gets near the Sun.

4 0

3 years ago

How is newtons law of motion used for testing the safety of automobile

Colt1911 [192]

Newton's first law of motion is an object in motion stays in motion until acted upon by another force. Driving at 30 mph in a car is going to stay constant until you crash the car into a wall, stopping the car.

3 0

4 years ago

A transformer is designed to change 109 VV into 13,500 VV, and there are 120 turns in the primary coil. Part A How many turns ar

Amiraneli [1.4K]

A transformer is designed to change 109 VV into 13,500 VV, and there are 120 turns in the primary coil. The secondary coil will have 14862 turns

A step-up transformer is a transformer that increases the voltage from the primary coil to the secondary coil while managing the same power at the rated frequency in both coils. It converts low voltage & high current from the primary side to the high voltage & low current on the secondary side of the transformer.

Ns = number of turns on the secondary coil = ?

Np = number of turns on the primary coil = 120

Vs = voltage across the secondary coil = 13500

Vp = voltage across the primary coil = 109

$\frac{Vp}{Vs}$ = $\frac{Np}{Ns}$

109/13500 = 120 / Ns

Ns = 14862 turns

To learn more about step-up transformer here

brainly.com/question/1312500

#SPJ4

8 0

2 years ago