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svlad2 [7]
3 years ago
13

Charles Darwin's groundbreaking book, The Origin of Species, described the process of

Physics
1 answer:
marshall27 [118]3 years ago
3 0
B)natural selection

Darwin discovered this idea of natural selection while on a voyage to places such as the Galapagos Islands. Essentially, the idea is that certain animals developed traits that allowed them to survive better than others.
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If the charge on the negative plate of the capacitor is 121 nano-Coulomb, how many excess electrons are on that plate? Write you
Julli [10]

Answer:

n = 756.25 giga electrons

Explanation:

It is given that,

If the charge on the negative plate of the capacitor, Q=121\ nC=121\times 10^{-9}\ C

Let n is the number of excess electrons are on that plate. Using the quantization of charges, the total charge on the negative plate is given by :

Q=ne

e is the charge on electron

n=\dfrac{Q}{e}

n=\dfrac{121\times 10^{-9}}{1.6\times 10^{-19}}

n=7.5625\times 10^{11}

or

n = 756.25 giga electrons

So, there are 756.25 giga electrons are on the plate. Hence, this is the required solution.

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3. When two things are the same temperature:
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The answer is definitely C.) their molecules move at the same average speed
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The most dangerous thing for a motorcyclist passing parked cars is
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The main danger is vehicles making u-turns or pulling out without signalling.
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How does the voltage applied to the electric motor affect the coil's number of rotations and its rotational direction
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Higher voltage means faster rotation.  Changing the voltage polarity changes the direction of the motor.
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3 years ago
Fan can accelerate from the starting blocks to running 11m/s down the track in 5 seconds. What is her acceleration?
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