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Alinara [238K]
3 years ago
10

Draw 2 lights in parallel in series with 1 light.

Physics
1 answer:
Svetllana [295]3 years ago
7 0

Answer:

See attachment

Explanation:

Electric devices can be connected into two types of configuration:

- Series: two devices are connected in series if they are along the same branch. In this case, the current flowing through the two devices is the same (but the potential difference across them is different)

- Parallel: two devices are connected in parallel if they are along two different branches that are connected to the same ends. In this case, the current flowing through the two devices is different, while the potential difference across them is the same.

The figure attached shows a circuit in which:

- The first 2 light bulbs on top are connected in parallel

- Then these 2 bulbs are connected in series to the light bulb on bottom

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Urgently!
adelina 88 [10]

Answer:

0.003333 s to 0.000125s or from 3.33ms to 0.125ms wher m is for milli

1.1m to 0.04125 m

Explanation:

T= 1/f=

if f= 300Hz then T = 1/300 =0.003333 s

if f= 8000 then T= 1/8000 = 0.000125s

now v=f×wave length

or wavelength = speed/ frequency

when f = 300 Hz

wavelength = 330/300=1.1 m

wavelength = 330/8000 = 0.04125m

note : i have taken speed of sound as 330 m/s you can take any value given in between 330m/s to 340m/s

6 0
3 years ago
Angle is used to adjust the speed of your marble. In terms of conservation of energy what other benefit is there to adjusting an
Anettt [7]

In terms of energy, change the angle of the ramp changes the amount of potential energy (increases when the ramp is raised). Potential energy converts to kinetic energy when the ball is released. The more PE, the more KE.

7 0
4 years ago
An automobile manufacturer claims that its
Vsevolod [243]

Answer:

uncle

Explanation:why not

4 0
3 years ago
A firm receives an order for a square-base rectangular storage container with a lid. The container has a volume of 20 cubic mete
Stels [109]

Answer:$ 506.05

Explanation:

Given

volume of container =20 m^3

Let  L be the length of square-base and h be the height of Rectangular box

Cost of base=20 \$/m^2

Cost of side and lid=10 \$ /m^2

Cost of base c_1=L^2\times 20

h=\frac{20}{L^2}

cost of lid and side c_2=10\times 4L\cdot h+10\times L^2

Total cost C=c_1+c_2

C=20L^2+10L^2+40L\cdot h

C=30L^2+\frac{800}{L}

differentiate C w.r.t to L to get minimum cost

\frac{\mathrm{d} C}{\mathrm{d} L}=60L-\frac{800}{L^2}=0

L^3=\frac{80}{6}

L=2.37 m

thus h=\frac{20}{5.613}=3.56 m

Thus Lowest cost is C=30\times 5.617+\frac{800}{2.37}=$ 506.05

4 0
3 years ago
Which statement is TRUE? Group of answer choices a) An object that is slowing down while traveling in the negative x-direction a
slava [35]

Answer:

d) An object that is speeding up always has a positive acceleration, regardless of the direction it travels.

Explanation:

a ) a) An object that is slowing down while traveling in the negative x-direction always has a positive acceleration.

It has negative acceleration in  the negative x-direction.

b) An object that is speeding up while traveling in the negative x-direction always has a positive acceleration.

It has a positive acceleration in the negative x-direction'

c) An object that is slowing down always has a negative acceleration, regardless of the direction it travels.

It has a positive  acceleration in opposite direction.

e ) An object that is slowing down always has a positive acceleration, regardless of the direction it travels.

It has a positive acceleration only in opposite direction .

6 0
3 years ago
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