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2 years ago

Please help ASAP WILL GIVE BRAINLIEST

Physics

2 answers:

Westkost [7]2 years ago

5 0

Answer:

Explanation: It makes the most sense. Plz mark brainliest

viktelen [127]2 years ago

3 0

Answer:

Explanation:

So other scientist can see how precise your measurements are

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An object has a mass of 50.0 g and a volume of 10.5 cm3. What is the object's density?

vagabundo [1.1K]

The density is 4.76 gcm^-3
and if mass is in kg then density is equal to 4.76*10^-3

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3 years ago

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The 630-nm light from a helium-neon laser irradiates a grating. The light then falls on a screen where the first bright spot is

dimaraw [331]

Answer:

464.8 nm

Explanation:

The second wavelength of light can be calculated using the next equation:

$\lambda = \frac{x*d}{L}$

Where:

λ : is the wavelength of light

x: is the distance from the central maximum

d: is the distance between the spots

L: is the lenght from the screen to the bright spot

For the first wavelength of light we have:

$\lambda_{1} = \frac{x_{1}*d}{L}$

$630 \cdot 10^{-9} m = \frac{0.61 m*d}{L}$

$\frac{d}{L} = \frac{630 \cdot 10^{-9} m}{0.61 m} = 1.033 \cdot 10^{-6}$ (1)

For the second wavelength of light we have:

$\lambda_{2} = \frac{x_{2}*d}{L}$

$\lambda_{2} = 0.45 m*\frac{d}{L}$ (2)

By entering equation (1) into equation (2) we have:

$\lambda_{2} = 0.45 m* 1.033 \cdot 10^{-6} = 4.648 \cdot 10^{-7} m = 464.8 nm$

Therefore, the second wavelength is 464.8 nm

I hope it helps you!

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3 years ago

Using the "Rube Goldberg" machine image below, identify the correct simple machine used in this complex machine.

marissa [1.9K]

Answer:

c is the correct answer

Explanation:

A Rube Goldberg Machine is “a comically involved, complicated invention, laboriously contrived to preform a simple operation.” 2. What are the 6 Simple Machines? A. The 6 Simple Machines are: wedge, screw, lever, wheel and axel, inclined plane and pulley

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2 years ago

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Answer:

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Explanation:

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2 years ago

Metals vs. Nonmetals Physical Properties

vovikov84 [41]

Answer:

sample c

Explanation:

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3 years ago

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