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I am Lyosha [343]
3 years ago
6

Hi guys I suggest to make group to exchange the informations if they need add their name here

Physics
2 answers:
sveticcg [70]3 years ago
8 0
??


what’s the question
My name is Ann [436]3 years ago
5 0
What are you asking?
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2. A driver brings a car traveling at 22 m/s to a stop in 2.0 seconds. What is the car's acceleration?
sveta [45]

Answer:

11 m/s²

Explanation:

Acc = v/t

Acc = 22 / 2.0

Acc = 11 m/s²

5 0
3 years ago
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What do we call a change in the car’s speed or direction?<br><br><br> Help!!
zhuklara [117]
The answer for this question is acceleration
8 0
3 years ago
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A lunar module weighs 12 metric tons on the surface of the Earth. How much work is done in propelling the module from the surfac
zhuklara [117]

Answer:

W=76.55 miles.metric tons

Explanation:

Given that

Weight on the earth = 12 tons

So weight on the moon =12/6 = 2 tons

 ( because at moon g will become g/6)

As we know that

F=\dfrac{K}{x^2}

Here x= 1100 miles

F 2 tons

2=\dfrac{K}{1100^2}

So

K=2.4\times 10^6

We know that

Work = F. dx

W=\int_{x_1}^{x_2}F.dx

W=\int_{1100}^{1140}\dfrac{2.4\times 10^6}{x^2}.dx

W=-2.4\times 10^6\left[\dfrac{1}{x}\right]_{1100}^{1140}

W=-2.4\times 10^6\left[\dfrac{1}{1140}-\dfrac{1}{1100}\right]

W=76.55 miles.metric tons

6 0
3 years ago
Please help me on 3,4 and 6. <br> Thanks
rusak2 [61]
3. <span>The second piston will experience the same force as compared with the first. This is because since the </span>pressure is the same everywhere inside the fluid system,<span> the force is proportional to the surface area. We are told that both the first and the second piston have the same surface area, therefore, they will both experience the same force/pressure.


4. </span>The situation is much the same as number 3 above, with the exception that the second piston is twenty times larger than the first. Again, since the pressure is the same everywhere inside the fluid system, the force is proportional to the surface area. We are told that the second piston is 20 times larger than the first, therefore, the larger piston will experience 20 times larger the force of the small one.


6. The answer is TRUE. The <span>hydraulic </span>braking system<span> of most cars makes use of a vacuum servo (or booster), which is located between the </span>brake pedal<span> and the master cylinder piston. </span><span>This vacuum servo amplifies the force applied </span><span>from the </span>brake pedal<span>.</span>

3 0
3 years ago
A scientist is trying to predict the regions of the world most likely to see a decrease in natural resources from population cha
aleksley [76]

<u><em>Developed countries will see a decrease in natural resources, because their population will decrease.</em></u>

8 0
3 years ago
Read 2 more answers
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