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Likurg_2 [28]
2 years ago
14

A gas has a volume of 1.5 L at 375 kPa.

Physics
1 answer:
Romashka-Z-Leto [24]2 years ago
3 0
The final volume of the gas is 0.75L
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I WILL NAME YOU BRAINLIEST IF YOU ANSWER THIS!! This question will make you think twice, let see if you can answer this! Worth 1
11Alexandr11 [23.1K]

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He took a picture (or "shot") of the buffaloes. How cute :)

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A diffraction grating is to be used to find the wavelength of the emission spectrum of a gas. The grating spacing is not known,
Bumek [7]

Answer:

528.9 nm

Explanation:

For a grating dsinθ = mλ where m = order of grating, d = grating space, λ = wavelength of light and θ = angle of deflection of light

First, we find the grating space d = mλ/sinθ where m = 2 for second order, λ = 632.8 nm = 632.8 × 10⁻⁹ m, θ = 43.2°

d = mλ/sinθ = 2 × 632.8 × 10⁻⁹ m ÷ sin43.2° = 1.849 × 10⁻⁶ m = 1.849 μm

We now find the wavelength of the light to be measured from λ = dsinθ/m

Here, θ = 34.9° and m = 2 for second order. So, we have

λ = dsinθ/m = 1.849 × 10⁻⁶ m × sin34.9° ÷ 2 = 0.5289 × 10⁻⁶ m = 528.9 nm

7 0
3 years ago
Which two statements about an electric motor are true?
allochka39001 [22]

Options (b) and (d) are correct about an electric motor.

An electric motor is a device which coverts electrical energy into mechanical energy.It works on the principle that when a current carrying coil is placed in a magnetic field, it experiences torque. Because of that torque, the coil rotates and thus the electrical energy gets converted into mechanical (motion) energy.

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How do polar bears stay warm? A) They hibernate in the winter. B) Their black skin absorbs sunlight or radiant energy. C) Their
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Compare the relative strengths of the nuclear force and the electric force
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Answer:

To establish this relationship we must examine the potentials that these forces create. The electrical potential is described by

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Where gs is the stacking constant and r the distance between the nucleons,

We can compare these potentials where the force is derived from the relationship

       E = -dU / dr

       F = q E

Explanation:

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