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HACTEHA [7]
3 years ago
12

The current in a hair dryer measures 22 amps. The resistance of the hair dryer is 14 ohms what is the voltage

Physics
1 answer:
lora16 [44]3 years ago
4 0

(22 amps)(14 ohms)=308 V

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The answer is A the ability to coin money:)
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3 years ago
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A 100 kg father and his 50 kg daughter stand on ice skates on a frozen pond. The daughter pushes on her father with a force of 5
Lana71 [14]

Answer:

Both feel same magnitude force.

Explanation:

Given that

Mass of father  = 100 kg

Mass of daughter = 50 kg

From the third law of Newtons :

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It means that both father and her daughter will feel same magnitude of same but in opposite direction.

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4 years ago
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For a wave, the _____ the amplitude, the _____ energy the wave carries.
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8 0
3 years ago
1 Calculate the size of the quantum involved in the excitation of (a) an electronic motion of frequency 1.0 × 1015 Hz, (b) a mol
torisob [31]

Answer: a) E= 6.63x10^-19J

E= 3.97×10^2KJ/mol

b) E = 3.31×10^-19J

E= 18.8×10^4 KJ/mol

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E= 8.01×10^-10KJ/mol

Explanation:

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E=(6.626×10^-34)×(1.0×10^15)

E=6.63×10^-19J

1mole =6.02×10^23

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E=3.97×10^2KJ/mol

b) E =(6.626×10^-34)/(1.0×10^15)

E=3.13×10^-19J

E= 3.13×10^-19) ×(6.02×10^23)

E= 18.8×10^3KJ/MOL

c) E= (6.626×10^-34) /0.5

E= 1.33×10^-33J

E= (1.33×10^-33) ×(6.02×10^23)

E= 8.01×10^-10KJ/mol

8 0
4 years ago
A grapefruit has a weight on earth of 4.9 newtons. what is the grapefruit's mass?
abruzzese [7]
The force of gravity is the force with which massively large objects such as the earth attracts another object towards itself. All objects of the earth exert a gravity that is directed towards the center of the earth. Therefore, the force of gravity of the earth is equal to the mass of the object times acceleration due to gravity.  

F = ma
4.9N = m (9.8 m/s^2), note that N (newtons) = kg-m/s^2
<u>m = 0.5 kg</u>
<u>The mass of the object is 0.5kg.</u>
7 0
3 years ago
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