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Novosadov [1.4K]
3 years ago
8

A small block of mass 1.57 kg rests on the left edge of a block of length 3.45 m and mass 7.04 kg. the coefficient of kinetic fr

iction between the two blocks is 0.307, and the surface on which the 7.04 kg block rests is frictionless. a constant horizontal force of magnitude 10.4 n is applied to the 1.57 kg block, setting it in motion. 3.45 m 10.4 n 7.04 kg 1.57 kg 1.57 kg 7.04 kg 10.4 n how long will it take before this block reaches the right side of the 7.04 kg block? the acceleration of gravity is 9.8 m/s 2 . (note that both blocks are set in motion when f~ is applied. answer in units of s. 002 (part 2 of 2) 10.0 points how far did the 7.04 kg block move in
Physics
1 answer:
MariettaO [177]3 years ago
3 0
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Which statement provides the best description of a computational model?
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4 0
3 years ago
An RLC circuit is used in a radio to tune into the radio lagos fm Station broadcasting at 93.5Hz. The resistance is 15ohms and t
bazaltina [42]

The characteristics of the RLC circuit allow to find the result for the capacitance at a resonance of 93.5 Hz is:

  • Capacitance is C = 1.8 10⁻⁶ F

A series RLC circuit reaches the maximum signal for a specific frequency, called the resonance frequency, this value depends on the impedance of the circuit.

            Z^2 = R^2 + ( wL - \frac{1}{wC} )^2  

Where Z is the impedance of the circuit, R the resistance, L the inductance, C the capacitance and w the angular velocity. The negative sign is due to the fact that the current in the capacitor and the inductor are out of phase.

In the case of resonance, the impedance term completes the circuit as a resistive system.

           wL - \frac{1}{wC} = 0  \\w^2 = \frac{1}{LC}  

           

Indicate that the inductance L = 1.6 H and the frequency f = 93.5 Hz.

Angular velocity and frequency are related.

         

         w = 2π f

           

Let's  substitute.

          C = \frac{1}{L ( 2 \pi f)^2 }  

 

Let's calculate.

         C = \frac{1}{1.6 \ ( 2\pi \ 93.5)^2}  

         C = 1.8 10⁻⁶ F

In conclusion with the characteristics of the RLC circuits we can find the result for the capacitance at a 93.5 Hz resonance is:

  • Capacitance is C = 1.8 10⁻⁶ F

Learn more about serial RLC circuits here: brainly.com/question/15595203

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