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denpristay [2]
3 years ago
10

Tomarrow last day of school

Physics
1 answer:
tatyana61 [14]3 years ago
6 0
No for most students want school to end but mostly they would en in june
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You can determine if the ship is moving by lying down and measuring your height.

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Could you guys tell me whether the photo represents a balanced or unbalanced equation​
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that is preatty balenced m8

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Find the magnitude & direction: 50N 25 N 35 N 10N
adoni [48]

F1x + F2x = Rx

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Rx = F1x + F2x

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Rx = F1 cos45° + F2

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Rx = (50N)(cos45°) + 60N

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Rx = 95N

Similarly, if we sum all the y components, we will get the y component of the resultant force:

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8 0
3 years ago
A concert loudspeaker suspended high off the ground emits 33.0 W of sound power. A small microphone with a 0.600 cm2 area is 52.
Novay_Z [31]

Answer:

The sound intensity at the position of the microphone is 9.71\times10^{-4} W/m^{2}

Explanation

Sound intensity is given by the formula

I=\frac{P}{A}

Where I is the sound intensity, P is the power and A is the area.

Since the loudspeaker radiates sound in all directions, we have a spherical sound wave where the radius r is the distance of the microphone from the speaker.

∴ A is given by 4\pi r^{2} where r is the radius

From the question, P = 33.0W, r = 52.0m

I=\frac{P}{A} = \frac{P}{4\pi r^{2} }

I = \frac{33.0}{4\pi \times (52.0)^{2} }

∴ I = 9.71\times10^{-4} W/m^{2}

Hence, the sound intensity at the position of the microphone is 9.71 × 10⁻⁴ W/m²

7 0
3 years ago
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Factors that affect the strength of electromagnets are the nature of the core material, strength of the current passing through the core, the number of turns of wire on the core and the shape and size of the core.Nov 28, 2020

Explanation:

7 0
3 years ago
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