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Type: Multiple-Choice
Category: Forces and Motion
Level: Grade 7
Score: 4
Author: Teacher_T
Last Modified: 3 months ago

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Forces and Motion Question

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Grade 7 Forces and Motion

A 12 kg rock falls from rest off a cliff and hits the ground in 1.5 s. Without considering air resistance, what is the rock's velocity just before it hits the ground?
  1. 18 m/s
  2. 14.7 m/s
  3. 117.6 m/s
  4. 8 m/s
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