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Novay_Z [31]
2 years ago
15

What is the relation between thickness of wire and pitch of the sound?​

English
1 answer:
MariettaO [177]2 years ago
7 0

Answer:The thickness of an object can also affect pitch. Thinner strings or wires vibrate faster than thicker ones. Remember:faster vibrations = higher pitch! For example, when a thick rubber band and a thin rubber band are both plucked with the same force, the thin rubber band has a higher pitch.

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Have you ever left your computer feeling sore in your wrists or shoulders? Or does your neck feel strained form looking up or do
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Contents [show]

1. Looking Down Constantly at the Laptop Screen

Poor laptop posture

What most people do when using a laptop is to simply place it on their desk (or God forbid on their laps). This might be okay for a short while, but any time longer, and your neck and shoulders will start to feel it.

According to studies, even a 15° tilt of the neck to look down at the laptop screen doubles the amount of force exerted on our necks to hold up the head. If you place your laptop on your lap, that force can be 3 times as great compared to a straight neck.

Dr. Kenneth Hansraj, in his research found that, even though the human head only weighs 10 to 12 lbs on average, the weight drastically increases as the head tilts forward. At a 15° angle, the weight jumps to 27 lbs, 40 lbs at 30°, 49 lbs at 45°, and 60 lbs at 60°.

Hence, though the motion of looking down might seem harmless, doing it for long periods of time can lead to neck pain, upper back muscle spasms, and even damage the vertebrae.

Solution: Use a laptop stand to elevate the laptop screen to eye level.

Laptop stand ergonomics

The solution is simple,- use a laptop stand or even any old cardboard

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