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Bhuv Gupta
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Asked: 2020-10-27T04:36:02+00:00 In:

A trolley, while going down an inclined plane, has an acceleration of 2 cm s-2. What will be its velocity 3 s after the start?

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NCERT Solutions for Class 9 Science Chapter 8
Motion
NCERT Books for Session 2022-2023
CBSE Board and UP Board
Intext Questions
Page No-110
Questions No-3

2020-2021cbsechapter 8class9motionncertscience
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    1 Answer

    1. Here we have,
      Initial velocity, u = 0 m/s
      Acceleration (a) = 2 cm/s² = 0.02 m/s²
      Time (t) = 3 s
      Final velocity, v =?
      We know that, v = u + at
      Therefore, v = 0 + 0.02 × 3 m/s
      ⇒ v = 0.06 m/s
      Therefore the final velocity of trolley will be 0.06 m/s after start.

      For more answers visit to website:
      https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-8/

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