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zaharov [31]
3 years ago
9

The first color of the visible spectrum to disappear as one dives from the surface to the deep is ______.

Physics
1 answer:
Jobisdone [24]3 years ago
6 0

As depth increases underwater, colors disappear due to water's ability to ... takes a diver one hour to breath all the air from a scuba tank at the surface, ...
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Give two disadvantage of hydroelectric power​
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Explanation:

damming of water which changes water flow, in turn could/does cause road/ property flooding

directly being related to water usage, if we have droughts(lack of rain) there we have less water to use for the power.

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The average height of an apple tree is 4.00 meters. How long would it take an apple falling from that height to reach the ground
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We know, s = ut + 1/2gt²
In free-fall, u = 0
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Now, substitute the values, 
t = √2*4 / 9.8   [ -ve sign shows opposite direction only ]
t = √8/ 9.8
t = 0.90 sec

In short, Your Answer would be 0.90 sec

Hope this helps!
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4 years ago
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