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vlabodo [156]
3 years ago
15

Constants A capacitor is connected across an ac source that has voltage amplitude 59 0 V and frequency 77 0 Hz Part C What is th

e capacitance C of the capacitor if the current amplitude is 5.05 A Express your answer with the appropriate units. C 0.17-10F Submit Previous Answers
Physics
1 answer:
Vladimir79 [104]3 years ago
7 0

Answer:

C = 1.77 \times 10^{-4} F

Explanation:

As we know that in AC circuit we have

V = i x_c

here we have

V = 59 V

i = 5.05 A

so we will have

x_c = \frac{59}{5.05}

x_c = 11.68 ohm

also we know that

x_c = \frac{1}{\omega C}

here we will have

11.68 = \frac{1}{(2\pi 77)C}

C = 1.77 \times 10^{-4} F

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3 0
3 years ago
Rearrange the equation = KE<br> -1<br> 2<br> - my? to solve for v. Show your work.
vesna_86 [32]

Answer:

See below

Explanation:

KE = 1/2 m v^2     multiply both sides by 2

2 (KE) = mv^2       divide both sides by m

2(KE) / m = v^2        sqrt both sides

√ [(2KE)/m ] = v

3 0
2 years ago
ln the constellation of Orion, you can see a group of stars and other objects that appear in the shape of a sword. Ln the middle
bagirrra123 [75]

Answer:

Nebula

Explanation:

 Given that in the constellation of Orion, you can see a group of stars and other objects that appear in the shape of a sword. Ln the middle of the sword, a bright "fuzzy star" appears. Astronomers looking at this object through telescopes refer to it as a "stellar nursery." Another name for this object is called NEBULA.

The space where new stars are forming anew is known as nebulae

7 0
4 years ago
What's the difference in a balanced force in an unbalanced force
AlekseyPX

There's no such thing as one balanced force or one unbalanced force.

If ALL of the forces in a GROUP of forces acting on the same object
all add up to zero, then we say that the GROUP of forces is balanced.

If they don't, then the GROUP of forces is unbalanced.

Two or more forces can be balanced or unbalanced.
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7 0
3 years ago
A student connects a 1 hp motor to a bicycle. How much time will it take for the bicycle to accelerate from rest to a speed of 5
bija089 [108]

Answer:

t=2s

Explanation:

The definition of power is:

P=\frac{W}{t}

And the work-energy theorem states that:

W=\Delta K

Since the movement starts from rest, we have that:

\Delta K=\frac{mv_f^2}{2}-\frac{mv_0^2}{2}=\frac{mv_f^2}{2}

And putting all together:

P=\frac{mv_f^2}{2t}

Since we want the time taken:

t=\frac{mv_f^2}{2P}

Which for our values is:

t=\frac{(120kg)(5m/s)^2}{2(746W)}=2s

7 0
4 years ago
Read 2 more answers
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