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Grade 12th pass9 grade science

What will the ball's speed be when it returns to its starting point? (in m/s)

Profile image of Harshit Singh
4 Years agoGrade 12th pass
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1 Answer

Profile image of Yash Patari
4 Years ago
DEAR STUDENT
 Assuming no air restance the speed when the ball comes back to the starting point will be again 8ms but directed DOWNWARDS; we can express this saying that it will equal to −8ms adding a minus to indicate the downward direction.
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