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Lelu [443]
3 years ago
15

What is the correct description for an element?

Physics
1 answer:
Shalnov [3]3 years ago
4 0

Answer:

B

Explanation:

Elements are made up of one type of atom only

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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.

5 0
4 years ago
What is the equivalent resistance of a circuit that contains four 75.02
viktelen [127]

Answer:

option A is the correct answer

3 0
2 years ago
What do we call the certain electrons that are able to sometimes wander<br> away or be shared? *
Natalka [10]

Answer:

compond

Explanation:

5 0
3 years ago
Which statement best compares momentum and kinetic energy?
Katyanochek1 [597]
<span>If your options are:

A.Both momentum and kinetic energy are vector quantities. 

B.Momentum is a vector quantity and kinetic energy is a scalar quantity.

C.Kinetic energy is a vector quantity and momentum is a scalar quantity.

D.Both momentum and kinetic energy are scalar quantities.
</span>
The answer on the question given is letter B.<span>Momentum is a vector quantity and kinetic energy is a scalar quantity.</span>
4 0
3 years ago
Which scientific term is defined as the rate at which work is accomplished?
Oliga [24]

Power is the scientific term defined as the rate at which work is accomplished. Power can be seen everywhere as it is applied to our everyday living. Power is seen when one pushes a heavy cart. It could be seen when a baseball hitter hits the ball.

<span> </span>

7 0
3 years ago
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