BeAMAverick14
Answered

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During take-off a 8kg model rocket is burning fuel causing its speed to increase
at a rate of 4m/s2 despite experiencing a 90N drag.

What’s is the strength of the thrust?
(Answer unit is in N)( and the answer isn’t 212)

During Takeoff A 8kg Model Rocket Is Burning Fuel Causing Its Speed To Increase At A Rate Of 4ms2 Despite Experiencing A 90N Drag Whats Is The Strength Of The T class=

Sagot :

xero099

The strength of the thrust is 122 newtons.

The motion of the rocket is described by the second Newton's law, whose model is shown below:

[tex]\Sigma F = F - D = m\cdot a[/tex] (1)

Where:

  • [tex]F[/tex] - Thrust, in newtons
  • [tex]D[/tex] - Drag, in newtons
  • [tex]m[/tex] - Mass of the rocket, in kilograms
  • [tex]a[/tex] - Net acceleration of the rocket, in meters per square second

If we know that [tex]D = 90\,N[/tex], [tex]m = 8\,kg[/tex] and [tex]a = 4\,\frac{m}{s^{2}}[/tex], then the strength of the thrust is:

[tex]F = D + m\cdot a[/tex]

[tex]F = 90\,N + (8\,kg)\cdot \left(4\,\frac{m}{s^{2}} \right)[/tex]

[tex]F = 122\,N[/tex]

The strength of the thrust is 122 newtons.

To learn more on Newton's laws, we kindly invite to check this verified question: https://brainly.com/question/13678295

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