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kykrilka [37]
3 years ago
15

Conservation of energy

Physics
1 answer:
Aloiza [94]3 years ago
5 0
Find the kinetic energy using the formula E = 1/2(mv^2) where m = 17kg, v=18m/s, h=27m. Once you have found the answer, plug the answer as E, m =17kg, v=?, and h=27m. Now solve for v. Good luck
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The correct option will be
D. Time, initial velocity and final velocity
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Two whistles blow at the same time. The first whistle has a frequency twice that of the second whistle (it is a higher pitch). W
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Answer:

the first one

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3 years ago
Explain why a black and white aeronautical map would be difficult to use
Aneli [31]

Aeronautical maps are usually meant to be used by pilots and air aviation professionals in other to navigate or traverse though the sky. With various elements such as vegetation, hills, valleys being depicted by color coded keys or legend. Hence, the absence of color on an aeronautical map make the <em>representation of elements very difficult</em>.

Visual map interpretation is usually aided by the use of legends. The legend hold the key to the elements which are represented on the map. Usually, a combination of colors and shapes makes up the legend and makes map interpretation easy.

Therefore, the absence of various color palletes for representation on a black and white aeronautical map will make it difficult to use.

Learn more : brainly.com/question/25323763

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2 years ago
A 25 N force stretches a spring 280 cm. What was the spring constant? ​
boyakko [2]

Answer:

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4 0
3 years ago
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Explore the role of friction when creating safety ramps and escalators. "Why is it important for people and object to move slowl
faust18 [17]

The role of friction is of great importance when creating safety ramps and escalators because with the help of friction things move.

<h3>Why is it important to move objects slowly on ramps and escalator?</h3>

It is important to move objects slowly on ramps and escalator because the ramps and escalator moves object in the opposite direction of gravity. If we did not move objects slowly, then the objects or a person get damaged.

So we can conclude that the role of friction is of great importance when creating safety ramps and escalators because with the help of friction things move.

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2 years ago
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