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Sunny_sXe [5.5K]
3 years ago
6

Solve 3* +5-220t = 0​

Physics
1 answer:
slega [8]3 years ago
4 0

Answer:

t = 27.5

Explanation:

3 + 5 -220t = 0

Well to solve for t we need to combine like terms and seperate t.

So 3+5= 8

8 - 220t = 0

We do +220 to both sides

8 = 220t

And now we divide 220 by 8 which is 27.5

Hence, t = 27.5

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Which of the following is a conversion from chemical energy to thermal energy? Coal is burned to boil water. Food is digested an
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All of the above

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At a maximum level of loudness, the power output of a 75-piece orchestra radiated as sound is 72.0 W. What is the intensity of t
FrozenT [24]

Answer:

<em> The intensity would be 0.01432 W/</em>m^{2}<em></em>

Explanation:

The sound intensity is the power that is transmitted by a sound wave per unit area.

Given that

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The listener's distance  r = 20.0 m

The intensity of sound waves (I) can be obtained with the expression below;

I = P/A .............. 1

where P is the power

A is the area, in this case, at the distance r the sound is radiated through  a sphere.

A = area of a sphere = 4πr^{2}

putting it into equation 1, the intensity would be;

I = P/ 4πr^{2}

Substituting our values we have;

I = 72.0 W /  4 π 20^{2} m^{2}

I = 0.01432 W/m^{2}

Therefore the intensity would be 0.01432 W/m^{2}

3 0
3 years ago
an Olympic runner leaps over a hurdle.if the runner initial vertical speed is 2.2m/s how much will the runners center of mass be
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Supposing the runner is condensed to a point and moves upward at 2.2 m/s.
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3 years ago
Please help i will mark brainliest
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Im pretty sure the answer is c; velocity is usually measure by a vector :)
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