Mathematics · Motion
A ball, after falling from rest under the influence of gravity for 4 s, strikes a horizontal glass plate. Due to the collision, the ball loses three-fourths of its velocity. If the ball reaches the ground 2 s after the collision, the height of the glass plate above the ground will be: (Take g = 10 m/s2)
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 160 m
- 240 m✓
- 350 m
- 420 m
Correct answer
40 m
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