Because the specific metals aren’t mentioned in this inquiry.
The educational guesses that we can propose is that:
<span><span>1. </span>The
hypothetical inquiry: There are existing metals for making pots that will cook
food much faster.</span>
<span><span>2. </span>The
one-tailed alternative hypothesis: There are other metals for making pots that
will cook food much faster than the other metals.</span>
<span><span>
3. </span>The
one-tailed null hypothesis: All metals that are used in making pots will cook
food at an equal rate.</span>
Answer:
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Explanation:
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Answer:
Coefficient of friction will be 0.587
Explanation:
We have given mass of the car m = 500 kg
Distance s = 18.25 m
Initial velocity of the car u = 14.5 m/sec
As the car finally stops so final velocity v = 0 m/sec
From second equation of motion
![v^2=u^2+2as](https://tex.z-dn.net/?f=v%5E2%3Du%5E2%2B2as)
![0^2=14.5^2+2\times a\times 18.25](https://tex.z-dn.net/?f=0%5E2%3D14.5%5E2%2B2%5Ctimes%20a%5Ctimes%2018.25)
![a=-5.76m/sec^2](https://tex.z-dn.net/?f=a%3D-5.76m%2Fsec%5E2)
We know that acceleration is given by
![a=\mu g](https://tex.z-dn.net/?f=a%3D%5Cmu%20g)
![5.76=\mu\times 9.81](https://tex.z-dn.net/?f=5.76%3D%5Cmu%5Ctimes%20%209.81)
![\mu =0.587](https://tex.z-dn.net/?f=%5Cmu%20%3D0.587)
So coefficient of friction will be 0.587
It's either A or B because it starts off as nuclear energy.
I found this in a physics tab, I do t know why.
But your answer sir/ma’am is skeleton