Mathematics · Motion in a Straight Line
A stone is thrown vertically upward from the top edge of a window of height 1.8 m with an initial velocity of 8 m/s. The time taken by the stone to cross the window during its downward journey is: (Take acceleration due to gravity g = 10 m/s 2 )
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 10.2 s✓
- 21.0 s
- 31.6 s
- 40.8 s
Correct answer
0.2 s
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