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Ronch [10]
3 years ago
14

The maximum current output of a 60 Ω circuit is 11 A. What is the rms voltage of the circuit?

Physics
1 answer:
qaws [65]3 years ago
8 0
Ohm’s law states:

I*R = U

So we just fill in:

U = 11 A * 60 Ω = 660 V
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atroni [7]

Answer:

(a) 1.85 m/s

(b) 4.1 m/s

Explanation:

Data

  • bullet mass, Mb = 4.10 g
  • initial bullet velocity, Vbi = 837 m/s
  • wooden block mass, Mw = 820 g
  • initial wooden block  velocity, Vwi = 0 m/s
  • final bullet velocity, Vbf = 467 m/s

(a) From the conservation of momentum:

Mb*Vbi + Mw*Vwi = Mb*Vbf + Mw*Vwf

Mb*(Vbi - Vbf)/Mw = Vwf

4.1*(837 - 467)/820 = Vwf

Vwf = 1.85 m/s

(b) The speed of the center of mass speed is calculated as follows:

V = Mb/(Mb + Mw) * Vbi

V = 4.1/(4.1 + 820) * 837

V = 4.1 m/s

6 0
3 years ago
Beth moves a 15 N book 20 meters in 10 seconds. How much power was produced?
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Answer:

30 Watts

Explanation:

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Work = Force*Distance

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Power = 15 N * 20 meters / 10 sec

Power = 30 Watts

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on the surface of planet x a body with a mass of 10 kilograms weighs 40 newtons. The magnitude of the acceleration due to gravit
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Based on the Newton's second law of motion, the value of the net force acting on the object is equal to the product of the mass and the acceleration due to gravity. If we let a be the acceleration due to gravity, the equation that would allow us to calculate it's value is,
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where W is weight, m is mass, and a is acceleration. Substituting the known values,
    40 kg m/s² = (10 kg) x a
Calculating for the value of a from the equation will give us an answer equal to 4. 
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3 years ago
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An element called Silica. 
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Answer:

C

Explanation:

Because you can feel vibrations through solids but not through gases

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