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Rudik [331]
4 years ago
6

With the switch closed, how does the voltage across the 20-ω resistor compare to the voltage across the 10-ω resistor?

Physics
1 answer:
jasenka [17]4 years ago
5 0
In electricity, the most famous and basic equation is the Ohm's Law which relates the parameters voltage, current and resistance. One form of this law as written in equation is V = IR, where V is the voltage in volts, I is the current in amperes and R is the resistance in ohms. These parameters depends in the arrangements, whether it's series or parallel.

In a series connection, the voltage is greater across a high-resistance resistor. Therefore, the voltage is much greater for the 20-ohm resistor. However,if it is a parallel circuit, the voltage is just the same for both resistors.
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Can someone please answer this, ill give you brainliest and your earning 50 points.
Aleonysh [2.5K]

Answer:

Good morning! It's D. all of the above

Explanation:

Social backgrounds, culture, politics, education and economic reasoning might equally contribute to uncontrolled settlements. People live in disaster-prone areas partly for economic reasons. In the case of Semarang, where tidal flooding submerges houses, people stay due to economic factors.

Plus I took the test and got it right

_AnnieTheDreamGirl, 3/10/2022

6 0
2 years ago
The titanium shell of an SR-71 airplane would expand when flying at a speed exceeding 3 times the speed of sound. If the skin of
Fed [463]

Answer:

The 10-meter long rod of an SR-71 airplane expands 0.02 meters (2 centimeters) when plane flies at 3 times the speed of sound.

Explanation:

From Physics we get that expansion of the rod portion is found by this formula:

\Delta l = \alpha\cdot l_{o}\cdot (T_{f}-T_{o}) (Eq. 1)

Where:

\Delta l - Expansion of the rod portion, measured in meters.

\alpha - Linear coefficient of expansion for titanium, measured in \frac{1}{^{\circ}C}.

l_{o} - Initial length of the rod portion, measured in meters.

T_{o} - Initial temperature of the rod portion, measured in Celsius.

T_{f} - Final temperature of the rod portion, measured in Celsius.

If we know that \alpha = 5\times 10^{-6}\,\frac{1}{^{\circ}C}, l_{o} = 10\,m, T_{o} = 0\,^{\circ}C and T_{f} = 400\,^{\circ}C, the expansion experimented by the rod portion is:

\Delta l = \left(5\times 10^{-6}\,\frac{1}{^{\circ}C} \right)\cdot (10\,m)\cdot (400\,^{\circ}C-0\,^{\circ}C)

\Delta l = 0.02\,m

The 10-meter long rod of an SR-71 airplane expands 0.02 meters (2 centimeters) when plane flies at 3 times the speed of sound.

4 0
3 years ago
A waiter carries a plate on top of his arm. The waiter's arm applies an upward force to the plate and holds it up. This force is
Phantasy [73]
I believe it is away from his arm since the question states his arm is applying an upwards force
6 0
3 years ago
Read 2 more answers
What does "Time (s)” represent in the graph? the y-axis the dependent variable an inverse relationship the independent variable
san4es73 [151]
Independent, and inverse means if one variable increases then the other decreases, direct is when they both go up or down together.
6 0
3 years ago
Read 2 more answers
What is the acceleration of this object? The object's mass is 2 kg. Small box with dot in the middle. Arrows originate at dot. A
Murrr4er [49]

Answer:

4 m/s2

Explanation:

I took the test

8 0
3 years ago
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