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GarryVolchara [31]
3 years ago
10

How is acceleration calculated?

Physics
2 answers:
likoan [24]3 years ago
5 0

Acceleration equals the change in velocity divided by time.

That's the "time rate of change" of velocity.

steposvetlana [31]3 years ago
4 0

Answer:

Acceleration is the change in velocity divided by time

Explanation:

This is the correct answer because distance divided by time is the position. Speed multiplied by time is the distance. And acceleration is not just velocity, but the change in velocity over time.

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11 points!!! <br>what happened when glucose reacts with air? ​
ella [17]
When glucose (C6H12O6) reacts with oxygen, carbon dioxide and water are produced. The reaction produces moles of carbon dioxide and moles of water.
3 0
3 years ago
If a runner exerts 457 j of work to make 321 w of power then how long did it take the runner to do the work
MA_775_DIABLO [31]

The time taken by the runner to do the work is 1.42 seconds.

Given the data in the question;

  • Work done; W = 457J
  • Power; P = 321W
  • Time elapsed; t = \ ?

<h3>Power</h3>

Power can be simply referred to as the quantity of energy transferred per unit time.

It is expressed as;

P = \frac{W}{t}

Where W is work done and t is time elapsed.

To determine the time it took the runner to do the work, we substitute our given values into the expression above.

P = \frac{W}{t} \\\\t = \frac{W}{P} \\\\t = \frac{457J}{321W} \\\\t = \frac{457 kgm^2/s^2}{321 kgm^2/s^3}\\\\t = 1.42s

Therefore, the time taken by the runner to do the work is 1.42 seconds.

Learn more about Power and Work: brainly.com/question/2962104

5 0
2 years ago
Why are certain metalloids useful in today's technological equipment?
fgiga [73]

The answer is B.

Metalloids are elements that posses some of the characteristics of non-metals and also some of the characteristics of metals.

The semiconductivity property of metalloids such as Siliconium, Geranium have been leveraged to the maximum and these are used in LCD screens, televisions and many other technological appliances.

8 0
3 years ago
3. To open a soda bottle, a force of 55.0 N is applied to the bottle opener. If the bottle opener
Bogdan [553]

Answer:

0.0815

Explanation:

Mechanical advantage is output force/input force. So all you have to do is 55.0N/675N ~ 0.0815

Hope this helped!

5 0
3 years ago
As a 3.0 kg bucket is being lowered into a 10 m deepwell, starting from top, the tension in the rope is 9.8 N. theacceleration o
777dan777 [17]

Answer:

A) 6.5 m/s²

Explanation:

Mass of the bucket, m = 3.0 kg

depth of the well, d = 10 m

tension on the rope, T = 9.8 N

The net downward force on the bucket is given as;

T = mg - ma

where;

a is downward acceleration of the bucket

9.8 = (3 x 9.8) - 3a

9.8 = 29.4 - 3a

3a = 29.4 - 9.8

3a = 19.6

a = 19.6 / 3

a = 6.53 m/s² downwards

Therefore, the acceleration of the bucket is 6.53 m/s² downwards

8 0
3 years ago
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