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A steel ball is dropped from the roof of a building. A man standing in front of a 1 m high window in the building notices that the ball takes 0.1s to fall from the top to bottom of the window. The ball continues to fall and strikes the ground. On striking the ground, the ball gets rebounded with the same speed with which it hits the ground. If the ball appears at the bottom of the window 2 s after passing the bottom of the window on the way down, then the height of the building is?

A steel ball is dropped from the roof of a building. A man standing in front of a 1 m high window in the building notices that the ball takes 0.1s to fall from the top to bottom of the window. The ball continues to fall and strikes the ground. On striking the ground, the ball gets rebounded with the same speed with which it hits the ground. If the ball appears at the bottom of the window 2 s after passing the bottom of the window on the way down, then the height of the building is?

Grade:12th pass

1 Answers

RHYTHM KAUSHAL
askIITians Faculty 56 Points
3 years ago
Dear student,
for the height of building follow the attached answer
611-1899_IMG_20200716_142625.jpg

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