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A newborn baby’s brain grows rapidly. In fact, it has been found to increase in mass by about 1.6 mg per minute.

a) How much does the brain’s weight increase in one day?
b) How long does it take for the brain’s weight to increase by 0.15 N?

Respuesta :

Ckaranja
In one day, there are (24*60) minutes
=1440 minutes
For one minute, weight increase 1.6mg
In 1440 minutes, the gain will be:
1440*1.6
=2304 mg
=2.3g gain per day
=0.023N
In 1 day, the weight gain is 0.023
So it takes [tex] \frac{0.15}{0.023} =6.5 days[/tex]

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