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liraira [26]
3 years ago
15

Young's interference experiment demonstrated the particle nature of light T/F?

Physics
1 answer:
MAVERICK [17]3 years ago
6 0
I think the answer is false

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What happens when a negatively charged object A is brought near a neutral object B?
castortr0y [4]

Answer: Option B

Explanation : When a negatively charged object A gets in contact with the neutral object B, the negative charge of object will induce the opposite charges on object B. Hence, there will be a positive charge on object B

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Consider again the civilization described in the previous question. (They live on a planet orbiting 10 AU from a close binary st
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Ksenya-84 [330]

Answer:

50N

Explanation:

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Describe why a projectile follows a curved path
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3 years ago
If the car has a mass of 0.2 kg, the ratio of height to width of the ramp is 12/75, the initial displacement is 2.25 m, and the
QveST [7]

Answer:

     l = 0.548 m

Explanation:

For this exercise we compensate by finding the speed of the car

         p = m v

         v = p / m

         v = 0.58 / 0.2

         v = 2.9 m / s

this is how fast you get to the ramp, let's use conservation of energy

starting point. Lowest point

         Em₀ = K = ½ m v²

final point. Point where it stops on the ramp

         Em_{f} = U = m g h

  mechanical energy is conserved

          Em₀ = Em_{f}

          ½ m v² = m g h

           h = \frac{m v^2}{2 g}

let's calculate

          h = \frac{0.2 \ 2.9^2}{2 \ 9.8}

          h = 0.0858 m

to find the distance that e travels on the ramp let's use trigonometry, we look for the angle

          tan θ = y / x

          tan θ = 12/75 = 0.16

          θ = tan⁻¹ 0.16

          θ = 9º

therefore

           sin 9 = h / l

           l = h / sin 9

           l = 0.0858 / sin 9

           l = 0.548 m

7 0
2 years ago
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