Answer:
A ball is thrown straight up with a speed of 30
m/s. What is the maximum height reached by
the ball?
The number converted is 
Explanation:
In order to convert from the original units to the final units, we have to keep in mind the following conversion factors:



The original unit that we have is

Therefore, it can be rewritten as:

Therefore, since the initial number was 0.779, the final value is

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The answer is A.number of protons in the nucleus.