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Iteru [2.4K]
3 years ago
8

If you are given three different capacitors, how many different combinations of capacitance can you produce, using all capacitor

s in your circuits? Draw those circuits

Physics
1 answer:
MrRa [10]3 years ago
6 0

Answer:

5

Explanation:

Let there are three capacitances, C1, C2, and C3.

Combination I:

All the three are connected in series combination.

Combination II:

All the three are connected in parallel combination.

Combination III:

C1, C2 are in parallel and then C3 in series.

Combination IV:

C1, C3 are in parallel and then C2 in series.

Combination V:

C3, C2 are in parallel and then C1 in series.

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a dog pulls on a pillow with a force of 8.4 N at an angle of 31 degrees above the horizontal. what is the x component of this fo
Natasha_Volkova [10]
The x component of the force is 8.4N * cos(31°) = 7.2N (2 s.f.)
4 0
4 years ago
Which one of the following types of electromagnetic radiation causes certain substances to fluoresce?
ioda
From the choices given, ultraviolet rays is a type electromagnetic radiation that causes certain substances to fluoresce. It cannot be detected by the naked eye but some insects are able to see them.

Like in a fluorescent light bulb, ultraviolet or UV lights stimulates the coating of the tube to emit light.  
5 0
4 years ago
A helicopter’s speed increases from 30 m/s to 40 m/s in 5 seconds.
TEA [102]
Acceleration is defined as the rate of change of velocity, which, simply put, is a mouthful to describe how fast something speeds up, slows down, or turns. The equation for acceleration is

a = Δv / Δt,

or your final velocity - your starting velocity, then divided by the amount of time. It can also be expressed as

a = (Vf - Vi) / t,

Where Vf is your final velocity, Vi is your initial velocity, and t is the time traveled.

The question gives us that the helicopter moves from a starting velocity of 30 m/s to a final velocity of 40 m/s in the span of 5 seconds. This means we can fill in the variables to the equation, where

Vf = 40,
Vi = 30, and
t = 5.

Plug these known variables into the original equation, and we get

a = (Vf - Vi) / t = (40 - 30) / 5.

From here, the answer comes down to 10 / 5, or 2 m/s^2.

Hope this helps! If you have any questions, don't hesitate to ask :D
6 0
4 years ago
Read 2 more answers
Two power lines, each 290 m in length, run parallel to each other with a separation of 23 cm. If the lines carry parallel curren
GREYUIT [131]

To solve this problem we will apply the concepts related to the Magnetic Force, which is defined as the product between the currents multiplied by the length where they are transmitted and inversely proportional to the distance that separates them, considering between them, the costs indicated below . We will simply replace the values and obtain the desired value,

F = \frac{\mu_0 I_1I_2 l }{2\pi d}

Here,

\mu_0 = Permeability of free space

I_{1,2} = Current at each state

l = Length

d = Distance of separation

Replacing with our values we have that the force is,

F = \frac{(4\pi *10^{-7})(120)(120)(290)}{2\pi (0.23)}

F = 3.63N

Therefore the magnitude of the force is 3.63N, and  if the currents are in same direction then force is attractive, while if the currents are in opposite direction then force is repulsive ( force is same).

3 0
3 years ago
A tennis ball is thrown horizontally at a speed of 10 m/s from the top of a building 78.4 meters high. how long does it take the
cupoosta [38]
When it comes to horizontal projectiles, the formula for time is:

t =  \sqrt{ \frac{2dy}{g} }

Where:
dy = vertical distance or height
g = acceleration due to gravity
t = time

Based on the problem, we know that the height at which the tennis ball was thrown is 78.4 m and the acceleration due to gravity is a constant 9.8m/s2. All you need to do is input that into our equation:
t = \sqrt{ \frac{2dy}{g} }
t = \sqrt{ \frac{(2)(78.4m)}{9.8m/s^{2}} }
t = \sqrt{ \frac{156.8m}{9.8m/s^{2}} }
t = \sqrt{16s^{2}}
t = 4s

The time it would take is 4 seconds.

7 0
4 years ago
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