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Leto [7]
3 years ago
12

9. The UL panel on the bottom of an electric toaster oven indicates that it operates at 1500 W on a 110 V circuit. Determine the

electrical resistance of the toaster oven.
Physics
1 answer:
BigorU [14]3 years ago
5 0

Answer:

  8.067 ohms

Explanation:

The relationship between voltage, resistance, and power is ...

  P = V²/R

so ...

  R = V²/P = 110²/1500 = 8 1/15

  R ≈ 8.067 . . . ohms

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Sodium Hydroxide is highly Basic
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An expensive vacuum system can achieve a pressure as low as 1.00×10^{-7} N/m^2 at 20ºC . How many atoms are there in a cubic cen
marta [7]

Answer:

24.70818432141\times 10^7\ atoms

Explanation:

P = Pressure = 1\times 10^{-7}\ N/m^2

V = Volume = 1 cm³

n = Amount of substance

N = Number of atoms

N_A = Avogadro's constant = 6.022\times 10^{23}\ /mol

R = Gas constant = 8.314 J/k mol

T = Temperature = 273.15+20 = 293.15 K

From the ideal gas law

PV=nRT\\\Rightarrow n=\frac{PV}{RT}

n=\frac{N}{N_A}

\frac{N}{N_A}=\frac{PV}{RT}\\\Rightarrow N=N_A\times \frac{PV}{RT}\\\Rightarrow N=\frac{1\times 10^{-7}\times 1\times 10^{-6}}{8.314\times 293.15}\times 6.022\times 10^{23}\\\Rightarrow N=24708184.32141\ atoms=24.70818432141\times 10^7\ atoms

The number of atoms is 24.70818432141\times 10^7\ atoms

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3 years ago
Which diseases are most likely to be treated with antibiotics?
Vitek1552 [10]

Answer:

c) those caused by parasites

4 0
3 years ago
A 1.4-kg block slides freely across a rough surface such that the block slows down with an acceleration of â1.25 m/s2. what is t
Marianna [84]

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μ = \frac{a}{g}

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6 0
3 years ago
Read 2 more answers
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