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lions [1.4K]
3 years ago
6

You have a 100 g sample of Unobtainium, it is half a life of 2 years. How much will be left after 10 years?

Physics
1 answer:
sergeinik [125]3 years ago
3 0

3.125 ,, that is the answer !!

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h(t) = - 16t2 + 64t + 112 where t is the time in seconds. After how many seconds does the arrow reach it maximum height? Round t
laila [671]

Answer:

2 seconds

Explanation:

The function of height is given in form of time. For maximum height, we need to use the concept of maxima and minima of differentiation.

h(t)=-16t^{2}+64t+112

Differentiate with respect to t on both the sides, we get

\frac{dh}{dt}=-32t+64

For maxima and minima, put the value of dh / dt is equal to zero. we get

- 32 t + 64 = 0

t = 2 second

Thus, the arrow reaches at maximum height after 2 seconds.

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3 years ago
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dybincka [34]

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Explanation:

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2 years ago
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“The term significant figures refers to the number of important single digits (0 through 9 inclusive) in the coefficient of an expression in scientific notation . The number of significant figures in an expression indicates the confidence or precision with which an engineer or scientist states a quantity.”
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Ferromagnetic, paramagnetic, and diamagnetic
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Two locomotives approach each other on parallel tracks. Each have a speed of 95 km/h with respect to the ground. If they are ini
viva [34]
If they are both  traveling with the same speed that means that they will reach other in the middle of the line initially between them. In other word, each will have to travel the same amount before they reach other. 

Now you can calculate the time it takes for only one locomotive to travel half of the total distance between them, and that time is equal to the time you are looking for.

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8 0
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