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kozerog [31]
3 years ago
15

An car is brought to rest in a distance of 652 m using a constant acceleration of -2.7 m/s2. What was the

Physics
1 answer:
Goshia [24]3 years ago
7 0

Answer:

I’m so sorry I tried solving it but I don’t understand it can you explain the question a little bit more ty

Explanation:

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Who exerts more pressure? a) A girl of 50 kg, wearing heels with an area of 1 cm2. b) An elephant of 4000 kg with foot area of 2
Mrrafil [7]

Answer:

The girl exerts more pressure.

Explanation:

Pressure can be defined as the force exerted normally or perpendicularly per unit area.

i.e P = F/A

<u>Girls</u>

Area of the heel = 1cm² = 10^(-4) m²

Force = mg = 50 × 10 = 500N

Pressure =

\frac{500}{10 ^{ - 4} }

= 5 \times  {10}^{6}

<u>Elephant</u>

<u>Area</u><u> </u><u>=</u><u> </u><u>2</u><u>5</u><u>0</u><u>cm</u><u>²</u><u> </u><u>=</u><u> </u><u>2</u><u>.</u><u>5</u><u> </u><u>x</u><u> </u><u>1</u><u>0</u><u>^</u><u>(</u><u>-</u><u>2</u><u>)</u><u>b</u><u> </u><u>m</u><u>²</u>

<u>Force</u><u> </u><u>=</u><u> </u><u>mg</u><u> </u><u>=</u><u> </u><u>4</u><u>0</u><u>0</u><u>0</u><u>0</u><u>N</u>

<u>Pressure</u><u> </u><u>=</u><u> </u>

<u>\frac{40000}{2.5 \times  {10}^{ - 2} }</u>

<u>= 1.6 \times  {10}^{6}</u>

5 0
3 years ago
Show that gamma is equal to 3 alpha​
vesna_86 [32]
<h2>TRUMP 2020</h2>

Explanation:

5 0
3 years ago
In Astronomy List the systems of which the Earth is part of, from smallest to largest (most inclusive)?​
djverab [1.8K]

Answer:

<em>In order from largest to smallest these terms are:</em>

  1. <em>In order from largest to smallest these terms are:Universe</em>
  2. <em>In order from largest to smallest these terms are:UniverseGalaxy</em>
  3. <em>In order from largest to smallest these terms are:UniverseGalaxySolar system</em>
  4. <em>In order from largest to smallest these terms are:UniverseGalaxySolar systemStar</em>
  5. <em>In order from largest to smallest these terms are:UniverseGalaxySolar systemStarPlanet</em>
  6. <em>In order from largest to smallest these terms are:UniverseGalaxySolar systemStarPlanetMoon</em>
  7. <em>In order from largest to smallest these terms are:UniverseGalaxySolar systemStarPlanetMoonAsteroid</em>

<em>In order from largest to smallest these terms are:UniverseGalaxySolar systemStarPlanetMoonAsteroidWe can generally say that a Moon is larger than an asteroid however some moons are quite large while others are smaller than many known asteroids. Asteroids are small rocky bodies that orbit the Sun, while moons are objects that orbit planets. Jupiter and Saturn have attracted many objects out of the asteroid belt and gathered them as moons.</em>

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2 years ago
Use the graph to determine the velocity between 6 and 12 seconds.
Anit [1.1K]
Answer is E I’m pretty sure
5 0
3 years ago
A person throws a tennis ball 6 m/s straight up. How long does it take for it to come back to their hand?
Vlad1618 [11]
Best Answer: BY v = u -gt =>0 = 6 - 9.8 x t =>t = 0.61 sec Thus time it take to come back to hand (T) = 2t = 1.22 sec Lol I hope this helps because I had funning helping you XD
6 0
3 years ago
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