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Valentin [98]
3 years ago
15

Which statement is TRUE? A) In a series circuit, the resistors do not share the current. B) In a series circuit, as light bulbs

are added, the bulbs dim. C) In a series circuit, if one bulb goes out the other bulbs will stay lit. D) In a parallel circuit, if one bulb goes out, all of the bulbs will go out.
Physics
2 answers:
3241004551 [841]3 years ago
7 0

The answer is B, actually did the research

MArishka [77]3 years ago
3 0

Answer:

B.) In a series circuit, as light bulbs are added, the bulbs dim.

Explanation:

In a series circuit, as light bulbs are added, the bulbs dim. In a series circuit the bulbs are wired in a line. As more bulbs are added in series, the current flowing through all the bulbs decreases. The bulbs then dim as more are added

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An electromagnetic wave has a frequency of 793 Hz. What is<br> its wavelength?
frozen [14]

Answer:

245

Explanation:

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The pressure of a gas always increases with increasing temperature. A. True B. False​
olga2289 [7]

True

Gay Lussac's Law

When the volume is constant, the gas pressure is proportional to its absolute temperature

\tt \dfrac{P_1}{T_1}=\dfrac{P_2}{T_2}

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2 years ago
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Complete the sentences below using the words below, you may use each word more than once
satela [25.4K]
Decreases, stays the same, increases. The volume decreases because as air is cooled, the individual molecules collectively possess less kinetic energy and the distances between them decrease, thus leading to a decrease in the volume they occupy at a certain pressure (please note that my answer only holds under constant pressure; air, as a gas, doesn't actually have a definite volume). The mass stays the same because physical processes do not create or destroy matter. The law of conservation of mass is obeyed. You're only cooling the air, not adding more air molecules. The density decreases because as the volume decreases and mass stays the same, you have the same mass occupying a smaller volume. Density is mass divided by volume, so as mass is held constant and volume decreases, density increases.
7 0
3 years ago
The carbon cycle is powered by which two processes?
Arada [10]

Answer:

the answer is the last one

Explanation:

here is the definition:

(i know how to explain the answer, its merely unnecessary being that there is an offical definition.)

<em>the series of processes by which carbon compounds are interconverted in the environment, involving the incorporation of carbon dioxide into living tissue by photosynthesis and its return to the atmosphere through respiration, the decay of dead organisms, and the burning of fossil fuels.</em>

4 0
3 years ago
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A 1100kg car pulls a boat on a trailer. (a) what total force resists the motion of the car, boat,and trailer, if the car exerts
likoan [24]
Refer to the figure shown below.

m₁ = 1100 kg, the mass of the car
m₂ = 700 kg, the mass of the trailer and boat
F = 1900 N, the driving force acting on the car
N₁ = m₁g,  the normal reaction on the car
N₂ = m₂g, the normal force on the trailer and boat
μN₁ and μN₂ are frictional forces, where  =  kinetic coefficient of friction
T = the force in the hitch between the car and trailer.

Part (a)
Let R₁ = the total force that resists the motion of the car, boat, and trailer.
Because the acceleration is 0.550m/s², therefore
(m₁ + m₂ kg)*(0.55 m/s²) = F
(1100+700 kg)*(0.55 m/s²) = (1900 - R₁) N
990 = 1900 - R
R₁ = 910 N

Answer: The resistive force is 910 N

Part (b)
80% of the resistive forces are experienced by the boat and trailer.
Let the resistive force be R₂.
Then
R₂ = 0.8*R₁ = 728 N
If the tension in the hitch between the car and the trailer is T, then
T - R₂ = m₂(0.55 m/s²)
(T - 728 N) = (700 kg)*(0.55 m/s²)
T - 728 = 385
T = 1113 N

Answer: The force in the hitch is 1113 N

3 0
3 years ago
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