3 years ago

I’ll give brainliest if it’s correct ;-;z

Physics

1 answer:

BlackZzzverrR [31]3 years ago

6 0

Explanation:

what is the question? could you pls provide it

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When operated on a household 110.0 V line, typical hair dryers draw about 1650 W of power. The current can be modeled as a long,

Andre45 [30]

Explanation:

Given that,

Voltage of household line, V = 110 V

Power of the hairdryer, P = 1650 W

During use, the current is about 1.95 cm from the user's hand.

(a) Power is given by :

$P=V\times I\\\\I=\dfrac{P}{V}\\\\I=\dfrac{1650\ W}{110\ V}\\\\I=15\ A$

(b) Again the power is given by :

$P=\dfrac{V^2}{R}$

R is resistance of the dryer

$R=\dfrac{V^2}{P}\\\\R=\dfrac{(110)^2}{1650}\\\\R=7.34\ \Omega$

(c) The magnetic field produced by the dryer at the user's hand is given by :

$B=\dfrac{\mu_o I}{2\pi r}\\\\B=\dfrac{4\pi \times 10^{-7}\times 15}{2\pi \times 1.95\times 10^{-2}}\\\\B=1.53\times 10^{-4}\ T$

Hence, this is the required solution.

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3 years ago

91.0x26x504 ...............

Hoochie [10]

Answer:

1192464

Explanation:

91.0 times 26 = 2366

2366 times 504 = 1192464

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Based on the law of conversation of energy how can we reasonably improve a machines ability to do work?

tensa zangetsu [6.8K]

MARK ME BRAINLIEST!!

your answer should be “C”.

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3 years ago

Someone help me please i need to finish this

Ilya [14]

Answer:

D. A zinc Zn contains 30 protons inside the nucleus and 30 electron outside the nucleus

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The flash was running around Central City when he runs into the villain Gorilla Grodd. Gorilla Grodd releases the spring loaded

strojnjashka [21]

PE = 1/2 kx²

mgh = 1/2 kx²

80.9.8.20 = 1/2 k.4²

k = 1960

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3 years ago