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mamaluj [8]
3 years ago
12

What is true about colonial families?

Physics
1 answer:
MrRissso [65]3 years ago
7 0

Answer:

D

Explanation:

I just took the test and C was wrong, do not listen to that answer. It is "All of the above"

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Consider a series RLC circuit where R = 855 Ω and C = 6.25 μF. However, the inductance L of the inductor is unknown. To find its
sashaice [31]

Answer:

L= 0.059 mH

Explanation:

Given that

R = 855 Ω and C = 6.25 μF

V= 84 V

Frequency

ω = 51900 1/s

We know that

\omega=\sqrt{\dfrac{1}{LC}}

L=Inductance

C=Capacitance

ω =angular Frequency

ω² L C =1

(51900)² x L x 6.25 x 10⁻⁶ = 1

L= 5.99 x 10⁻⁵ H

L= 0.059 mH

6 0
4 years ago
If you exert a force of 500 n to walk 4 m up a flight of stairs in 4 s, how much power do you use?
kobusy [5.1K]
 <span>P= work/time and work is = to force x distance so its 500x4 =2000joules 
and 2000/4 =500 watts</span>
3 0
3 years ago
Question 2
Nostrana [21]

Answer:

in pretty sure the last one

8 0
4 years ago
At what frequency should a 200-turn, flat coil of cross sectional area of 300 cm2 be rotated in a uniform 30-mT magnetic field t
stellarik [79]

Answer:

The frequency of the coil is 7.07 Hz

Explanation:

Given;

number of turn of the coil, N = 200 turn

area of the coil, A = 300 cm² = 0.03 m²

magnitude of magnetic field, B = 30 mT = 0.03 T

maximum value of induced emf, E = 8 V

The maximum induced emf in the coil is given by;

E = NBAω

E = NBA(2πf)

f = \frac{E_{max}}{2\pi*NBA}

where;

f is the frequency of the coil

f = \frac{E_{max}}{2\pi*NBA}\\\\f = \frac{8}{2\pi(200)(0.03)(0.03)} \\\\f = 7.07 \ Hz

Therefore, the frequency of the coil is 7.07 Hz

5 0
3 years ago
Where in the dive above would kinetic energy and potential energy be equal?
Diano4ka-milaya [45]

Answer: The sum of an object's potential and kinetic energies is called the object's mechanical energy. As an object falls its potential energy decreases, while its kinetic energy increases. The decrease in potential energy is exactly equal to the increase in kinetic energy.

6 0
3 years ago
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