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lorasvet [3.4K]
4 years ago
5

Which is the SI base unit for mass?

Physics
2 answers:
Paul [167]4 years ago
8 0
It is kilograms in mass.  (B) 

Nice try though :)
MrRa [10]4 years ago
4 0

The answer that I am seeing is that its kg because it means kilograms.
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The position coordinate of a particle which is confined to move along a straight line is given by s =2t3−24t+6, where s is measu
Gre4nikov [31]

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s=2t^3-24t+6

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v=72=\frac{ds}{st}=6t^2-24

now we solve for time t

6t^2=72+24=96\\\\\implies t^2=\frac{96}{6}\\\therefore t=4 s

b) acceleration when v=30 m/s

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a=\frac{dv}{dt}=\frac{d}{dt}(30)=0

c) the net displacement of the particle during the interval t = 1 s to t = 4 s is

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7 0
4 years ago
Doc Brown has calculated that his Delorean can accelerate at a rate of 2.52 m/s/s. How far away must he and Marty stand to allow
devlian [24]

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d = 303.33 m

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Given that,

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Final speed of Doc Brown is 39.1 m/s

We need to find the distance between he and Marty. Let the distance is d. Using equation of motion as follows :

v^2-u^2=2ad\\\\\text{Put u = 0}\\\\d=\dfrac{v^2}{2a}\\\\d=\dfrac{(39.1)^2}{2\times 2.52}\\\\d=303.33\ m

So, the distance between he and Marty is 303.33 m.

7 0
3 years ago
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