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siniylev [52]
3 years ago
6

I. Witch direction does the electric field point at a position directly west of a positive charge

Chemistry
1 answer:
RUDIKE [14]3 years ago
5 0

Answer:

The answer is North

Explanation:

The direction of the field is taken to be the direction of the force it would exert on a positive test charge.

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Water flows over Niagara Falls at the average rate of 2,400,000 kg/s, and the average height of the falls is about 50 m. Knowing
Andre45 [30]

Answer:

Power, P=1.176\times 10^9\ W

No of bulbs = 78400000

Explanation:

We have,

Water flows over Niagara Falls at the average rate of 2,400,000 kg/s, it mean it is mass per unit time i.e. m/t.

It falls from a height of 50 m

The gravitational potential energy of falling water is given by :

P = mgh

Power is equal to the work done divided by time taken. So,

P=\dfrac{W}{t}\\\\P=\dfrac{mgh}{t}\\\\P=\dfrac{m}{t}\times gh

So,

P=2400000\times 9.8\times 50\\\\P=1.176\times 10^9\ W

Let there are n bulbs that could power 15 W LED. It can be calculated by dividing the power by 15. So,

n=\dfrac{1.176\times 10^9}{15}\\\\n=78400000\ \text{bulbs}

It means that the number of bulbs are 78400000.

3 0
3 years ago
Why do cold blooded animals go for hibernation?​
shutvik [7]

Answer:

because they cannot keep their body temperature constant.

3 0
2 years ago
Which of the following samples of water will contain the most heat?
VMariaS [17]

Answer:

The answer is D- make sure you give good rate

6 0
2 years ago
The following table lists the number of protons, neutrons, and electrons in several different atoms. Which two
Ahat [919]

Answer: The correct answer to this question is B because thats

what it states and says

Explanation:

6 0
3 years ago
After spilling a liquid solution on a lab table, Ari grabs a trash can and paper towels. He then begins to soak up the solution
devlian [24]

Answer: The correct statement is the liquid solution might have been dangerous to touch with bare hands.

Explanation:

In the question, it is given that Ari has wiped the spilled liquid with paper towels without putting on the gloves.

While working in a lab, one must follow some safety rules:

  • There are chemicals all around the lab, so it should be handled with care that is by wearing gloves.
  • If by chance there is spilling on liquid on the shelf, it should be cleaned with the help of paper towels while wearing gloves.
  • Any chemical must not be touched with bare hands.

Hence, the correct answer is  the liquid solution might have been dangerous to touch with bare hands.

4 0
3 years ago
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