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Harlamova29_29 [7]
3 years ago
9

a snooker ball travels 4 meters, diagonally across the table it travels at a speed of 5m/s. calculate how long the ball is trave

lling for
Physics
1 answer:
Korvikt [17]3 years ago
6 0

Answer:

4 secs

Explanation:

I am right trust me

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What is the equivalent resistance of a circuit that contains four 75.0 resistors connected in parallel with a 100.0 V battery?
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To get the total resistance in a parallel circuit, you need to remember that unlike in a series, you do not just merely add the resistances. You need to get the reciprocal first of each resistance and add them together. 

\frac{1}{R_{T}} =  \frac{1}{R_{1}}+\frac{1}{R_{2}}+\frac{1}{R_{3}}... +\frac{1}{R_{n}}

After adding them, you will get the reciprocal again and then compute for the value. The problem says that there are 4 resistors in the circuit that have a resistance of 75.

\frac{1}{R_{T}} = \frac{1}{75}+\frac{1}{75}+\frac{1}{75}+\frac{1}{75}

Add up the numerator and copy the denominator:

\frac{1}{R_{T}} = \frac{4}{75}

Then get the reciprocal to get the total resistance:

R _{T} = \frac{75}{4}  = 18.75

The answer to your question then is A. 18.8.
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Those organic structures that do not seem to play any important biological function in the organism that possesses them are known as vestigial structures.

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