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Motion — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceMotion2 Marks
Question
Three speed-time graphs are given below: Which graph represents the case of:
  1. A cricket ball thrown vertically upwards and returning to the hands of the thrower?
  2. A trolley decelerating to a constant speed and then accelerating uniformly?
✓

Answer

  1. Graph (c) represents a cricket ball thrown vertically upwards and returning to the hands of the thrower.
  2. Graph (a) represents a trolley decelerating to a constant speed and then accelerating uniformly.

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