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yaroslaw [1]
2 years ago
5

What is your initial speed if you accelerate at 5.8 m/s/s for 3.0 seconds and achieve a final speed of 45 m/s?

Physics
1 answer:
Natali5045456 [20]2 years ago
8 0

Answer:

27.6 m/s

Explanation:

hopefully it makes sense and is visible

:)

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3 years ago
A circuit has a current of 2.4 A. The voltage is increased to 4 times its original value, while the resistance stays the same. H
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Answer:

Resistance will become 4 times the previous value

Explanation:

We have given current in the circuit i = 2.4 A

According to ohm's law current in the circuit is given by I=\frac{V}{R}

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Now voltage is increased to 4 times so new voltage = 4 V

And current in the circuit is same as 2.4 A

We have to fond the resistance so that after increasing voltage current will be same

So 2.4=\frac{4V}{R_{unknown}}..........eqn 2

Dividing eqn 1 and 2

1=\frac{V}{R}\times \frac{R_{unkown}}{4V}

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