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Arturiano [62]
3 years ago
9

Please help!! I’m in a rush :(

Physics
1 answer:
Burka [1]3 years ago
3 0
Kinetic energy is a form of energy that an object or particle has by reaction of its motion.
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A transformer connected to a 120 V (rms) ac line is to supply 13,000 V (rms) for a neon sign. To reduce shock hazard, a fuse is
TiliK225 [7]

Answer with Explanation:

We are given that

V_1=120 V

V_2=13000 V

I_{2}=8.5 mA=8.5\times 10^{-3} A

1 mA=10^{-3} A

a.We know that

\frac{N_2}{N_1}=\frac{V_2}{V_1}

\frac{N_2}{N_1}=\frac{13000}{120}=108.3

b.P_{avg}=I_2V_2

P_{avg}=13000\times 8.5\times 10^{-3}=110.5 Watt

c.I_1=\frac{P_{avg}}{V_1}

I_1=\frac{110.5}{120}=0.92 A

5 0
3 years ago
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Why is it possible to throw a 0.145 kg baseball much further than a 7 kg bowling ball
Lilit [14]
Simply because the baseball is much lighter than the bowling ball. Making it easier for the average adult to throw the baseball farther than the bowling ball
5 0
3 years ago
A 75.0 W bulb is connected to a
adoni [48]

Answer:

Explanation:

W = 75 watts

V = 110 volts

Formula

W = V * I

Solution

75 = 110 * I          Divide by 110

75 / 110 = I

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2 years ago
a student attaches a 0.5 kg object to a 0.7 m string and rotates the object around her head and parallel to the ground. how much
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The object would have a centripetal acceleration <em>a</em> of

<em>a</em> = (12 m/s)² / (0.7 m) ≈ 205.714 m/s²

so that the required tension in the string would be

<em>T</em> = (0.5 kg) <em>a</em> ≈ 102.857 N ≈ 100 N

(rounding to 1 significant digit)

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3 years ago
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<span>An organism that is being harmed by the parasite is a _________? 
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