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ollegr [7]
3 years ago
9

After the switch in is closed on point a, there is current i through resistance r. gives the current for four sets of values of

r and capacitance c
Physics
1 answer:
vovangra [49]3 years ago
8 0
Ehbfwjfvh3r;iuuuuuuuuuuuu1f ce
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Which statement is true of AC current?. Select one of the options below as your answer:. . A.. It uses a battery as a power sour
Nonamiya [84]
<span>The answer is B. It can be converted from high to low voltage and vice versa using transformers. That is why high voltages (tens or hundreds of kilovolts) is used to efficiently transfer electricity for large distances and then converted to 110-240V.

The answer can also be derived by elimination. [A] is not right because battery provides only Direct Current (DC). [C] is not right because high voltages are used for AC (from 110V to hundreds of kilovolts). [D] is not right because as the name Alternating Current suggests, the current is alternating in its direction. [E] is not right because DC was the first type of current invented.</span>
8 0
3 years ago
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The rotating blade of a blender turns with constant angular acceleration of 1.51 rad/s^2. How much time does it take to reach an
yawa3891 [41]

time to reach an angular velocity of 36.8 is 24.370 s.

<h3></h3><h3>What is angular acceleration?</h3>

The temporal rate at which angular velocity changes is referred to as angular acceleration. Naturally, there are two forms of angular acceleration, referred to as spin angular acceleration and orbital angular acceleration, just as there are two types of angular velocity, namely spin angular velocity and orbital angular velocity. As opposed to orbital angular acceleration, which is the angular acceleration of a point particle around a fixed origin, spin angular acceleration describes the angular acceleration of a rigid body about its centre of rotation.

w(t) = w(0) + α*t

also w(0) =0

=> time = 36.8/1.51= 24.370 s

to learn more about angular acceleration go to - brainly.com/question/21278452

#SPJ4

6 0
2 years ago
If 20 beats are produce with one second which of the following frequency could possibly be held by two sound waves traveling thr
musickatia [10]

ANY two frequencies whose difference is 20 Hz.

8 0
4 years ago
Steel is made of atoms of iron and carbon. Would iron
Nadusha1986 [10]

Still need the answer??

7 0
3 years ago
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You are studying a population of flowering plants for several years. When you present your research findings you make the statem
Anit [1.1K]

Answer:

Option A

Explanation:

The graph for this problem must depict the following ""Increased allocation of resources to reproduction relative to growth diminished future fecundity."

Hence, the survivor ship must be on the Y axis and the resources on the X axis.

Here the resources include the number of seeds produced.

hence, the higher is the number of seeds (resource), the lower is the survivorship (future fecundity)

Hence, option A is correct

6 0
3 years ago
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