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Makovka662 [10]
4 years ago
13

Do help me pleaseeeee

Physics
1 answer:
Anton [14]4 years ago
8 0
The mass needed at peg 1 is a 5g mass.

The 15g should hang at peg 5.

The reason is force x distance clockwise is equal to force x distance anti-clockwise
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You are designing a thin transparent reflective coating for the front surface of a sheet of glass. The index of refraction of th
galben [10]

Answer:

The index of refraction of the coating  is 1.32.

Explanation:

Given that,

Index of refraction of the glass = 1.52

Thickness = 104 nm

Length = 550 nm

We need to calculate the index of refraction of the coating

Using formula of index

n = \dfrac{L}{4t}

Where, L = length

t = thickness

Put the value into the formula

n=\dfrac{550}{4\times104}

n=1.32

Hence, The index of refraction of the coating  is 1.32.

7 0
4 years ago
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Does Newton’s 1st Law of Motion apply to sports
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Answer: Yes indeed it does.

Explanation: Newton's Three Laws of Motion explain how forces create motion in sport. These laws are usually referred to as the Laws of Inertia, Acceleration, and Reaction. maybe brainliest to level up.

5 0
3 years ago
Which activities demonstrate speed the most? <br> Look at pic
steposvetlana [31]
B: Sprinting. It is the best answer because it demonstrates speed better than the others
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3 years ago
Please help me! Thank you so much!
hodyreva [135]
See the attached image! Thanks!

5 0
4 years ago
As a wave moves through a medium, particles are displaced and (2 points)
Scorpion4ik [409]

As a wave moves through a medium, particles are displaced and return to their normal position after the wave passes.

Explanation:

A wave is a traveling disturbance that  carries energy from one location to  another. All waves move in straight lines  outward and away from the source of a  disturbance. Like the radiating circular  ripples, the waves of water carry energy  away from where a rock was dropped into  the pond.

Waves can move as a single pulse or as a continuous series of waves, carrying  energy away from its source. A pulse is a single disturbance, wave, or ripple that moves  outward from the point of disturbance. A train of waves are many waves emitted over and  over again from a single source.

As waves travel through matter, they will temporarily  displace the molecules or particles in matter up-and-down  or side-to-side. Waves move the energy but they do not  carry the matter with them longitudinally as they move  through matter. Once the disturbance passes, the medium  will return to its original state or position.

Therefore, as the waves move through a medium, particles are displaced and return to their normal position after the wave passes.

7 0
3 years ago
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