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Kazeer [188]
3 years ago
10

In a certain collision we want to increase the force while keeping the magnitude of impulse the same. What can be done to achiev

e this objective?
Physics
2 answers:
Alexxx [7]3 years ago
6 0
Impulse = mass * volume is the most common equation, but you can also calculate impulse by Force * time.  So if we increase the force we need to decrease the time.
Vlada [557]3 years ago
6 0
Decrease the time of impact 
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A train travelling at 20 m/s has 2 000 000 J of kinetic energy. What is the mass of<br> the train?
Svetlanka [38]

Answer:

<h2>10,000 kg</h2>

Explanation:

The mass of the train can be found by using the formula

m =  \frac{2k}{ {v}^{2} }  \\

k is the kinetic energy

v is the velocity

From the question we have

m \frac{2(2000000)}{ {20}^{2} }  =  \frac{4000000}{400}  =  \frac{40000}{4}  \\

We have the final answer as

<h3>10,000 kg</h3>

Hope this helps you

3 0
3 years ago
Read 2 more answers
Which layer of the sun's atmosphere are you looking at when you look at me in image of the Sun
Hitman42 [59]
The answer is Photosphere.  The photosphere is the lowest layer<span> of the </span>solar<span> atmosphere. It is essentially the </span>solar<span> "surface" that </span>we see<span> when </span>we look<span> at the </span>Sun in "white" light.  It is <span>like a glowing fog, so at a distance, it </span>looks<span> solid, the same way a cloud looks solid from a distance.</span>
7 0
3 years ago
If a dog ran at 5 m/s how far would it run in 45 s
Virty [35]

Answer:

225 m//s

Explanation:

It ran 5m/s so 5x45=225

3 0
2 years ago
Read 2 more answers
True or false describing a metal as malleable means that it can be pounded into a new shape
vampirchik [111]
The answer is True.

Dictionary definition of <span>malleable. 
</span>
(of a metal or other material) able to be hammered or pressed permanently out of shape without breaking or cracking. 
3 0
3 years ago
What is the speed of an electron that has been accelerated from rest through a potential difference of 1020 V?
sashaice [31]
<span>a. KE in electron volts is 1020 eV. 
b. KE in Joules is e(1020) = (1.6022E-19)(1020) = 1.634E-16 
c. KE = (1/2)mv^2, so v = sqrt[2*KE/m] = 18.94E6 m/s

note: m is the mass of an electron = 9.109e-31 kg

I hope my answer has come to your help. Thank you for posting your question here in Brainly.
</span>
8 0
3 years ago
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