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Measure the speed of the fourth car of the train when it is at the highest point on the loop.




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Respuesta :

okpalawalter8

We have that the speed of the the fourth car of the train when it is at the highest point  is

  • v=12.12

From the question we are told

  • Measure the speed of the fourth car of the train
  • when it is at the highest point on the loop.

Speed of the fourth car

Generally the equation for the Conversation of energy  is mathematically given as

[tex]0.5mv^2+mgR=0.5mv^2\\\\Therefore\\\\v_1^2=v^2-2gR\\\\V_1^2=21^2-2*9.8*15\\\\[/tex]

v=12.12

For more information on Speed visit

https://brainly.com/question/22568180

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