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During another part of its flight the balloon in exercise 10 had a change in elevation of -901 feet what was its rate of descent



(exercise 10) A hot air balloon begins its descent at a rate of 22 1/2 per minute. How long will it take for the balloons elevation to change by -315 feet?

Respuesta :

ljjl2070
 it would be 4 1/2 hours 

Answer:

14 minutes

Step-by-step explanation:

velocity is defined as:

velocity = distance/time

The distance travelled by the balloon is 315 feet

Its velocity is 22.5 feet/min

Isolating time in the equation and replacing with data we get (dimensions are omitted):

time =  distance/velocity

time =  315/22.5

time = 14 minutes

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