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Vitek1552 [10]
3 years ago
8

Why is it so important to follow classroom procedures?

Physics
1 answer:
Aleks [24]3 years ago
7 0
Maybe because you will get in trouble if u don't follow them. I never follow classroom procedures and I'm in trouble all the time
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In a circus act, when the tumbling lever is measured, the measurements show that the effort arm is 8 meters long and the resista
Yuki888 [10]

The statement the mechanical advantage of the lever is 16 is False.

<h3>Mechanical Advantage</h3>

Mechanical advantage MA = d/D where

  • d = distance moved by effort and
  • D = distance moved by load

Given that the effort arm is 8 meters long, d = distance moved by effort = 8 m.

Also, given that the resistance arm is 2 meters long, D = distance moved by load = 2 m.

<h3>Calculating the mechanical advantage</h3>

So, substituting the values of the variables into the equation, we have

MA = d/D

MA = 8 m/2 m

MA = 4

Since MA = 4, so, the stament is False.

So, the statement the mechanical advantage of the lever is 16 is False.

Learn more about mechanical advantage here:

brainly.com/question/13779480

3 0
3 years ago
⦁ What is the mass of air in a room that has dimensions of 10m x 20m x 4 m? Use values from the book to show your work.
agasfer [191]
The mass of an air can be derived from the equation from density, where D=m/v. Multiply each sides by v making the equation m= Dv. Substituting the values for density and volume. m = (1.225 kg/m3)(10x20x4)m3 gives a result of 980 kg.
8 0
4 years ago
Watt-hours is a measure of energy, just like kilowatt-hours. How can you convert this to Joules?
satela [25.4K]

Work with your units:

1 watt-hour = 1 (joule/second) · (hour) = 1 (joule-hour / second)

(1 joule-hour/sec) · (3600 sec/hour) = 3600 joules

So 1 watt-hour = 3,600 joules

3 0
3 years ago
The weight of a box having of 100 kg is __n
ZanzabumX [31]

Answer:

mom                                                                                                

Explanation:

8 0
3 years ago
How much kinetic energy does a care 1000 kg car moving at 7 m/s have?
aalyn [17]
Hey there!

<span>How much kinetic energy does a care 1000 kg car moving at 7 m/s have?

Answer:
</span><span>A. 24500 J

Hope this helps
Have a great day (:
</span>
5 0
3 years ago
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