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Levart [38]
3 years ago
7

Mars orbits the Sun in 1.87 Earth years. How far is Mars from the Sun?

Physics
2 answers:
fomenos3 years ago
7 0

Answer:

151.12 million miles i actually just did this question on a test

Explanation:

nika2105 [10]3 years ago
5 0

Answer:

Mars is 0.000025706 light years away from the sun and is 151.12 million miles away. You question didn't really have enough information but I hope I answered what you were looking for.

Explanation:

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What does a measured number tell you?
oksano4ka [1.4K]

Answer:

The precision at which the number was measured  

Explanation:

The number of digits that you use to record a measurement indicates the precision of the measurement.

5 0
3 years ago
Question 15
Butoxors [25]
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5 0
3 years ago
What is the wavelength in nm of a light whose first order bright band forms a
scoundrel [369]

The wavelength of the first order bright band light light is 714 nm .

Explanation:

We have to find the wavelength of the first order brightness of a light. Here we are using Huygen's principle of light.

The formula is

nλ =d sinθ

where, n is the order of maximum

            λ is the wavelength of light

            d is the distance between the lines on diffraction grating.

            θ is the angle.

For the given equation n is 1 because the problem states that the light forms 1st order bright band

  λ  is unknown.

d = \frac{1}{700,000} or 0.0000014 m

sin (30) = 0.5

so,

1(λ) = (0.0000014)(0.5)

     = 0.0000000714

     = 714 nm

Thus, The wavelength of the first order bright band light light is 714 nm .

3 0
3 years ago
Which one of the following is correct option: hydrogen,
Vinil7 [7]

Answer:

hydrogen

Explanation:

pH is a measure of the ion concentration of hydrogen in a solution.

In chemistry, it literally means power of hydrogen ions and it is a measure of the molar concentration of hydrogen ions in a particular solution, thus specifying the acidity, neutrality or basicity of chemical solutions.

Mathematically, the pH of a solution is given by pH = -log 10[H^{+}]

Hence, a solution with a pH of 7 is neutral.

Also, a solution with a pH below 7 is acidic but basic if it's pH is above 7.

3 0
3 years ago
The four wheels of a car are connected to the car's body by spring assemblies that let the wheels move up and down over bumps an
Marrrta [24]

Answer:k=55.590 KN/m

Explanation:

Given

mass of person\left ( m\right )=68 kg

car dips about 1.2 cm

We know

F=kx

Where k=combined  spring constant

mg=kx

k=\frac{mg}{x}

k=\frac{68\times 9.81}{1.2\time 10^{-2}}

k=55.590 KN/m

7 0
3 years ago
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