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A person is running at an initial velocity of 3.7 m/s. If the person is accelerating at 2 m/s2, what is their final velocity after 3 seconds?​

Sagot :

Statement:

A person is running at an initial velocity of 3.7 m/s. If the person is accelerating at 2 m/s².

To find out:

The person's final velocity after 3 s.

Solution:

  • Initial velocity (u) = 3.7 m/s
  • Acceleration (a) = 2 m/s²
  • Time taken (t) = 3 s
  • We know, the equation of motion,
  • v = u + at
  • Putting the values in the above equation, we get,
  • v = 3.7 m/s + 2 m/s² × 3 s
  • or, v = 3.7 m/s + 6 m/s
  • or, v = 9.7 m/s

Answer:

The final velocity is 9.7 m/s in the direction of the motion.

Hope you could understand.

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