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Alisiya [41]
4 years ago
11

Which circuit component is usually a device that uses electrical energy to to perform a certain function? A. wire B. power sourc

e C. load
Physics
2 answers:
gtnhenbr [62]4 years ago
4 0

Answer:

B

Explanation:

Just took the test

Ksenya-84 [330]4 years ago
3 0

Answer:

A

Explanation:

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1. Identify the significance of the following terms to the subject of the Civil War.
DanielleElmas [232]
What following terms I don’t see any please make your question clear
4 0
4 years ago
3. Two cyclists that are 500 m apart start biking toward each other. They bike at speeds of 6 and
Veronika [31]

Answer:

A) 50 seconds

B) 200 m

Explanation:

They are 500 metres apart.

And one of the bike loves at 6 m/s while the other loves at 4 m/s.

A) Let distance of the 6 m/s bike before they meet be x.

Thus, time = x/6

Since time = distance/speed

For the second bike at 4 m/s, his distance covered before they meet will be 500 - x

Thus, time = (500 - x)/4

Now they will meet each other at the same time. Thus;

x/6 = (500 - x)/4

Cross multiply to get;

4x = 3000 - 6x

6x + 4x = 3000

10x = 3000

x = 3000/10

x = 300 m

Thus, time will be;

t = 300/6

t = 50 seconds

B) Distance covered by the slower bike is (500 - x)

Since from a above, x = 300

Thus; distance = 500 - 300 = 200 m

4 0
3 years ago
A cold coke bottle is on the pan of a balance and is left open. What happens to its weight?​
Arlecino [84]

Answer:

It's weight would decrease over time.

Explanation:

The cold coke is going to stabilise in the room temperature. This causes the coke to heat up to room temperature. When the coke heats up, some molecules acquire enough kinetic energy that the evaporate. The evaporation of the molecules causes a decrease in weight.

Hope it helped!

3 0
3 years ago
Read 2 more answers
Write the following numbers in proper scientific notation:
ipn [44]

Answer:

0.00050, 0.000000000406, 36513

4 0
4 years ago
Help! I’ll give brainliest! If an observer is hearing a rising pitch, that means that the frequency of the waves in their positi
Leno4ka [110]

The statement is false.

Pitch of a sound wave is the quantity that determines how high or low a sound is when it is perceived. A higher pitch corresponds to a higher frequency.

There could be another case, the Doppler's effect. the source or the observer might be moving towards the other. In such cases, the frequency of the sound wave does not change but it appears to be rising due to the motion.

3 0
4 years ago
Read 2 more answers
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