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meriva
4 years ago
6

Mary is an avid game show fan and one of the contestants on a popular game show. She spins the wheel and after 1.5 revolutions,

the wheel comes to rest on a space that has a $1,500.00 prize. If the initial angular speed of the wheel is 4.05 rad/s, find the angle through which the wheel has turned when the angular speed is 1.90 rad/s.
Physics
1 answer:
gtnhenbr [62]4 years ago
3 0

Answer:

4.87971 rad/s

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what happens to light when it falls upon a material that has a natural frequency equal to the frequency of the light?
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The energy from the light is transferred to the material, causing it to vibrate and absorb the light.

What is energy?
In physics, energy is the quantitative quality that is transmitted to the a body or a physical system, and is discernible in the work performed as well as in the form of light and heat. The law of conservation states that although energy can change its form, it cannot be created or destroyed. Energy is indeed a conserved quantity. The International System of Units' (SI's) joule is the measurement unit for energy (J). A moving object's kinetic energy, a solid object's elastic energy, chemical energy caused by chemical reactions, and the potential energy that an object stores (for instance because of its position inside a field) are examples of common forms of energy.

When light falls upon a material that has a natural frequency equal to the frequency of the light, the light will be absorbed by the material. This is due to resonance, which occurs when the frequency of the light matches the natural frequency of the material. The energy from the light is transferred to the material, causing it to vibrate and absorb the light.

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7 0
2 years ago
What happens when a car that weighs 300 lbs. driving at speeds of 80 mph collides with a bystander that weighs 180 lbs.
EleoNora [17]

Answer:

Basically, at these speeds, the car will, at random times, swerve a bit to one side or the other as if hit by some huge wind (even on the calmest of days). It doesn't happen at slower speeds driving mechanically identical cars, managed to accelerate to a formidable 150 mph and stay there for most of the journey, shifting to higher gears and remaining.

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Explanation:

3 0
4 years ago
It is relatively easy to strip the outer electrons from a heavy atom like that of uranium (which then becomes a uranium ion), bu
-Dominant- [34]

Answer: it is very difficult to remove the inner electrons from an atom because of the strong electrostatic force of attraction by the nucleus. In contrast, it is very easy to remove the outer electrons from an atom because the electrostatic force of attraction from the nucleus is not strong enough to hold the outer electrons hence it is removed.

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8 0
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Explanation:

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This malleability allowed for the ancient peoples to be able to shape and stamp gold into coins and their rarity made them quite valuable. Even today, investors still shape gold into exquisite designs of coins so it not only has monetary value, but aesthetic value as well.

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