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Problem

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question

Suppose the notion of a particle traveling along the x-axis is described by the equation x = a + bt^2 where a = 20 cm and b = 4 cm/sec^2. (a) Find the displacement of the particle In the time interval between t_1 = 2 sec and t_2 = 5 sec. (b) Find the average velocity in this time interval, (c) Find the instantaneous velocity at time t_1 = 2 sec.

category

physics

options

  1. Displacement: 52 cm, Average velocity: 17.33 cm/sec, Instantaneous velocity: 32 cm/sec
  2. Displacement: 28 cm, Average velocity: 84 cm/sec, Instantaneous velocity: 16 cm/sec
  3. Displacement: 84 cm, Average velocity: 28 cm/sec, Instantaneous velocity: 16 cm/sec
  4. Displacement: 84 cm, Average velocity: 16 cm/sec, Instantaneous velocity: 28 cm/sec
  5. Displacement: 76 cm, Average velocity: 25.33 cm/sec, Instantaneous velocity: 24 cm/sec
  6. Displacement: 64 cm, Average velocity: 21.33 cm/sec, Instantaneous velocity: 40 cm/sec
  7. Displacement: 16 cm, Average velocity: 28 cm/sec, Instantaneous velocity: 84 cm/sec
  8. Displacement: 40 cm, Average velocity: 13.33 cm/sec, Instantaneous velocity: 20 cm/sec
  9. Displacement: 72 cm, Average velocity: 24 cm/sec, Instantaneous velocity: 48 cm/sec
  10. Displacement: 60 cm, Average velocity: 20 cm/sec, Instantaneous velocity: 36 cm/sec

src

stemez-Physics

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