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lbvjy [14]
2 years ago
13

Based on the evidence, write a scientific explanation of what type of wave is being exhibited when crowds at stadiums do “the wa

ve.
Physics
1 answer:
Pani-rosa [81]2 years ago
4 0

Answer:

An analogy to these waves can be shown in waves of a crowd. The standard wave we see at the baseball game could be considered a transverse wave because the people are moving perpendicular to the direction of the wave. If the people bump shoulders instead of standing up, this would be a longitudinal wave.

Explanation:

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A 5 kg box drops a distance of 10 m to the ground. If 70% of the initial potential energy goes into increasing the internal ener
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Answer:

Explanation:

From the given information:

The initial PE (PE)_i = m×g×h

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The change in Potential energy P.E of the box is:

ΔP.E = P.E_f -P.E_i

ΔP.E = 0 - (PE)_i

ΔP.E = -P.E_i

If we take a look at conservation of total energy for determining the change in the internal energy of the box;

\Delta P.E + \Delta K.E + \Delta U = 0

\Delta U = -\Delta P.E - \Delta K.E

this can be re-written as:

\Delta U =- (-\Delta P.E_i) - \Delta K.E

Here, K.E = 0

Also, 70% goes into raising the internal energy for the box;

Thus,

\Delta U =(70\%) \Delta P.E_i-0

\Delta U =(0.70) (490.5)

ΔU = 343.35  J

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3 years ago
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Answer:

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now we have

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Answer:

It can be calculated from Snell's law by setting the refraction angle i.e. equal to 90°.

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