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2 years ago

How tall is Mount Everest?

Physics

2 answers:

nikklg [1K]2 years ago

6 0

Answer: 29,035 feet

Explanation:

White raven [17]2 years ago

3 0

Answer:

29,032′

Explanation:

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Moving company uses a machine to raise a 900 Newton refrigerator to the second floor of a building machine consists of a single

Juliette [100K]

Mechanical advantage of a machine is the ratio of the output force over the input force or M=Fo/Fi. Since M=1, Fi=Fo, or the input force is equal to the output force. This means that to raise the refrigerator that weighs 900 N, we need the same input force of 900 N, or Fo=Fi=900 N.

6 0

3 years ago

Read 2 more answers

Velocity: You leave on a 549-mi trip in order to attend a meeting that will start 10.8 h after you begin your trip. Along the wa

rewona [7]

Answer:

1.55 h

Explanation:

Let the time to spend over dinner be t.

Since I need to spend 10.8 h for the whole trip, then I have 10.8 - t hours left to drive.

Speed = distance/time

$v = \dfrac{d}{10.8-t}$

$d = v(10.8-t)$

The distance is 549 and maximum speed is 65 mi/h.

$549 = 65(10.8 - t)$

$10.8-t = 8.45$

$t = 10.8 - 8.45 = 1.55 \text{ h}$

5 0

3 years ago

Webster's defines a democracy as "a government by the people, especially: rule of the majority. A government in which the suprem

Lilit [14]

Answer:

Option A is correct

Explanation:

-The ten amendment was proposed for the sole purpose of protecting the minority from the brute greed of the majority.

- people established democratic government to protect the right, interest and welfare of the common people.

- The electoral college was designed for the sole purpose of protecting the minority interest and prevent special interest which is not in the public interest during electoral processes.

8 0

3 years ago

Which of the following is an example of potential energy?

goblinko [34]

Answer:

Explanation:

potential energy is energy due to position

3 0

2 years ago

A girl with a mass of 27 kg is playing on a swing. There are three main forces

N76 [4]

The tension in the swing's chain at the bottom of the swing is 178.35 N.

The given parameters:

Mass of the girl, m = 27 kg
Speed of the girl, v = 3 m/s
Radius of the circle, r = 4 m

The tension in the swing's chain at the bottom of the swing is calculated as follows;

$T = mg + ma_c\\\\ T= mg + \frac{mv^2}{r} \\\\T = (12 \times 9.8) + (\frac{27 \times 3^2}{4} )\\\\T = 117.6 \ N \ + \ 60.75 \ N\\\\T = 178.35 \ N$

Thus, the tension in the swing's chain at the bottom of the swing is 178.35 N.

Learn more about tension in vertical circle here: brainly.com/question/19904705

3 0

2 years ago