brookelaidlaw24 brookelaidlaw24

30-10-2020
Physics

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A helicopter accelerates at a rate of 7 m/s2 for 5 seconds. Calculate its velocity if it's final velocity is 60 m/s.

Respuesta :

gogamerdarkbloods gogamerdarkbloods

30-10-2020

Answer:

7 m/s

Explanation:

Answer Link

heyyy7842245665378 heyyy7842245665378

30-10-2020

Answer: 25 m/s

Explanation:

Use formula acceleration = velocity final - velocity initial divided by time

A = 7 m/s^2

Vf = 60 m/s

Vi =

t = 5 sec

7 = 60 - x/5

Multiply both sides by 5

35 = 60 - x

Subtract 60 from both sides

-25 = -x

x = 25

Vi = 25 m/s

Answer Link

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