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Elden [556K]
3 years ago
6

Consider a series RLC circuit where R = 957 Ω R=957 Ω and C = 8.25 μ F C=8.25 μF . However, the inductance L L of the inductor i

s unknown. To find its value, Anindya decides to perform some simple measurements. He applies an AC voltage that peaks at 84.0 V 84.0 V and observes that the resonance angular frequency occurs at 88500 rad/s 88500 rad/s .
Physics
1 answer:
natta225 [31]3 years ago
7 0

Answer:

Inductance of the circuit is equal to 6.30\times 10^{-4}H    

Explanation:

We have given resistance R = 957 ohm

Capacitance of the circuit C=8.25\mu F=8.25\times 10^{-6}F

Peak ac voltage is V_m=84volt

Angular frequency at resonance \omega =88500rad/sec

We have to find the value of inductance L

At resonance \omega L=\frac{1}{\omega C}

\omega ^2=\frac{1}{LC}

88500 ^2=\frac{1}{L\times 8.25\times 10^{-6}}

L=6.30\times 10^{-4}H

So inductance of the circuit is equal to 6.30\times 10^{-4}H

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Jerry the mouse is running along a straight desert road at a constant velocity of 18 m/s. If a certain Tom cat wants to capture
Kruka [31]

Answer:

a) t = 1.75 s

b) x = 31.5 m

Explanation:

a) The time at which Tom should drop the net can be found using the following equation:

y_{f} = y_{0} + v_{oy}t - \frac{1}{2}gt^{2}

Where:

y_{f}: is the final height = 0

y₀: is the initial height = 15 m

g: is the gravity = 9.81 m/s²

v_{0y}: is the initial vertical velocity of the net = 0 (it is dropped from rest)

0 = 15m - \frac{1}{2}9.81 m/s^{2}*t^{2}

t = \sqrt{\frac{2*15 m}{9.81 m/s^{2}}} = 1.75 s

Hence, Tom should drop the net at 1.75 s before Jerry is under the bridge.

b) We can find the distance at which is Jerry when Tom drops the net as follows:

v = \frac{x}{t}

x = v*t = 18 m/s*1.75 m = 31.5 m

Then, Jerry is at 31.5 meters from the bridge when Jerry drops the net.

I hope it helps you!                                                                    

3 0
3 years ago
Every second, the Sun converts about 600 million tons of hydrogen into 596 million tons of helium. The remaining 4 million tons
Whitepunk [10]

Answer:

Converted to an amount of energy equal to 4 million tons times the speed of light squared. ejected into space in a solar wind.

Explanation:

The 4 million tons of mass is converted to the amount of energy that is equal to 4 million tons times the speed of light squared. This energy moves from the sun with the help of solar winds and received by the planets present in the solar system. This solar energy moves in the form of solar radiation because there is no medium for propagation so that's why we can say that the mass is converted into energy that moves in the form of radiation in discrete packets.

4 0
3 years ago
a body that has a mass of 0.04 k g is thrown up with a speed of 60m/s. Kinetic energy? a) in the begining,b)after 6 seconds​
Katena32 [7]

Answer:

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8 0
3 years ago
What are the four most important characteristics of an electric circuit?
kozerog [31]

Answer:

an energy source (AC or DC), a conductor (wire), an electrical load (device), and at least one controller (switch).

Explanation:

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4 0
2 years ago
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Objects are lighter on the moon than they are on earth. if an object A weighs 25lbs on the Moon and another object B weighs 25 N
solong [7]

Answer:

a. Object A

Explanation:

The mass of an object implies the quantity of matter in it, while the weight is the amount of gravitational force applied on an object.

The object A has a mass of 25 lbs, but object B on the earth has a weight, W, of 25 N.

So that,

For object A on the moon, mass = 25 lbs

For object B on the earth, W = 25 N,

W = m x g

25 = m x 10                (g = 10 m/s^{2})

m = \frac{25}{10}

   = 2.5 lbs

Mass of object B is 2.5 lbs.

Therefore, the mass of the object A is more than that of B.

5 0
3 years ago
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