3 years ago

Do the ones your able too

Physics

1 answer:

gregori [183]3 years ago

5 0

Answer:

it's so small I'm barely able to see it

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WILL GIVE BRAINLIEST AND 30 POINTS!

Snezhnost [94]

Answer:

1. B. Increase

2. A. Decrease

Explanation:

To understand this issue, we need to put some values and using the ohm's law we can corroborate the two situations.

Ohm's law:

$V = I*R\\where:\\I = current[A] ampers\\R = resistance [ohms]\\V = voltage [volts]\\$

Now for the voltage we will use V = 110 [V], for resistance R = 10 [ohms]

Replacing the values we have:

$I = \frac{V}{R} \\\\I = \frac{110}{10}\\I= 11 [amp]$

Now let's double the voltage 220 [V]:

$I = \frac{220}{10} \\I = 22 [amp]\\$

Therefore the current will be increased.

Let's do the same for the resistance if originally we have R = 10 [ohms]

$I = \frac{V}{R}\\I = \frac{110}{10} \\I = 11 [amp]\\$

Now let's double the resistance 20 [ohms]:

$I=\frac{110}{20}\\I = 5.5 [amp]$

Therefore the current will be decreased.

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4 years ago

A cup sits on a table. Due to its position, the potential energy of the cup is 3.00 joules. Ignoring frictional effects, if the

Butoxors [25]

Due to conservation of energy, half way the potential energy will be 1.5J so the remaining 1.5J is kinetic energy.

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4 years ago

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What's the difference between (mu k) and (mu s)

Stolb23 [73]

(mu s) is the coefficient of kinetic friction, <span> (mu k) is a normal force,</span>

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3 years ago

A cheetah runs at a constant velocity of 7 m/s. What is it’s acceleration in m/s/s<br> PLEASE HELP

uysha [10]

Answer:

0 m/s²

Explanation:

Acceleration is the change in velocity over change in time. If the velocity is constant, then the acceleration is 0.

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pickupchik [31]

Answer:

False I think, not 100% sure

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2 years ago