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Aleksandr-060686 [28]
3 years ago
10

Hurry I am being timed Which organelle appears to be empty but is filled with liquid?

Physics
1 answer:
bagirrra123 [75]3 years ago
4 0

Answer:

The answer is the first option, vacuole.

Explanation:

The name vacuole has its origins in the Latin word vacuus meaning 'empty' and this unfortunately is how vacuoles appear in many slide preparations and photographs. The fact that vacuoles are fluid filled and that different vacuoles within the same cell can contain different chemicals is not normally visible.

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A car accelerates from rest at 3.6 m/s 2 . How much time does it need to attain a speed of 5 m/s?
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v_i = 0

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Two buses are driving along parallel freeways that are 5mi apart, one heading east and the other heading west. Assuming that eac
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101.54m/h

Explanation:

Given that the buses are 5mi apart, and that they are both driving at the same speed of 55m/h, rate of change of distance can be determined using differentiation as;

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l=\sqrt{13^2-5^2}=12m\\\\\frac{dl}{dt}=-(55m/h+55m/h})\\\\=-110m/h#The speed toward each other.

\frac{dh}{dt}=0, \ \ \ \ h=constant\\\\h^2+l^2=b^2\\\\2h\frac{dh}{dt}+2l\frac{dl}{dt}=2b\frac{db}{dt}\\\\2\times5\times0+2\times12\times(-110)=2\times13\frac{db}{dt}\\\\\frac{db}{dt}=-101.54m/h

Hence, the rate at which the distance between the buses is changing when they are 13mi apart is 101.54m/h

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