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jekas [21]
3 years ago
11

I will give 20 points and brainliest

Physics
2 answers:
ExtremeBDS [4]3 years ago
6 0
The answer is b because it’s right
Annette [7]3 years ago
3 0

Answer:

b and c

Explanation:

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Acceleration is a measure of the change in the velocity of an object per unit time true or false
Ksju [112]

This is true. Hope I helped!

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3 years ago
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The index of refraction of silicate flint glass for red light is 1.620 and for violet light is 1.660 . A beam of white light in
Alinara [238K]

Answer:

The angular separation between the red and violet components of the spectrum that emerges from the glass is 1.72°

Explanation:

Given:

Refractive index for red light n _{1} = 1.620

Refractive index for violet n' _{1} = 1.660

Refractive index for air n_{2} = 1

Incident angle \theta _{1} = 28.30°

According to the snell's law,

    n_{1} \sin \theta _{1} = n_{2}   \sin \theta _{2}

For red light,

  1.620 \times \sin 28.30 = 1 \sin \theta _{2}

Where \theta _{2} = transmitted angle for red light

   \theta _{2} = 50.18°

For violet light,

  1.660 \times \sin 28.30 = 1 \sin \theta' _{2}

Where \theta' _{2} = transmitted angle for violet light

   \theta' _{2} = 51.9°

Angular separation between red and violet light is given by,

  \theta ' _{2} - \theta _{2} = 51.9 -50.18 = 1.72°

Therefore, the angular separation between the red and violet components of the spectrum that emerges from the glass is 1.72°

6 0
3 years ago
the wattage ratting of a light bulb is the power it sonsumers when it is connected accross a 120 V potential difference what is
igor_vitrenko [27]

Answer:

240 Ω

Explanation:

Resistance: This can be defined as the opposition to the flow of current in an electric field. The S.I unit of resistance is ohms (Ω).

The expression for resistance power and voltage is give as,

P = V²/R.......................... Equation 1

Where P = Power, V = Voltage, R = Resistance

Making R the subject of the equation,

R = V²/P.................... Equation 2

Given: V = 120 V, P = 60 W.

Substitute into equation 2

R = 120²/60

R = 240 Ω

Hence the resistance of the bulb = 240 Ω

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What is the centripetal acceleration of a point on the perimeter of a bicycle wheel diameter 70.0 cm when the bike is moving 8.0
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It’s 180 m/s^2 dude. I think I have you in my class lol.

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3 years ago
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This is the process of retaining radiation without reflecting it.
Bezzdna [24]
Absorption is the correct term.
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4 years ago
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