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11. A ping wall, having a diameter of 3.6 cm and weighing 2.4 g is served with a horizontal velocity of 10 m/s and a spin that gives rise to a coefficient of lift of 0.2. Assuming the density of air to be 0.129 x 10-2 gf/ cc. The lift experienced by the wall is nearly (a) 13 gf (c) 0.13 gf (b) 1.3 gf (d) 0.013 gf

11. A ping wall, having a diameter of 3.6 cm and weighing 2.4 g is served with a horizontal velocity of 10 m/s and a spin that gives rise to a coefficient of lift of 0.2. Assuming the density of air to be 0.129 x 10-2 gf/ cc. The lift experienced by the wall is nearly (a) 13 gf (c) 0.13 gf (b) 1.3 gf (d) 0.013 gf

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
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11. A ping wall, having a diameter of 3.6 cm and weighing 2.4 g is served with a horizontal velocity of 10 m/s and a spin that gives rise to a coefficient of lift of 0.2. Assuming the density of air to be 0.129x 10-2 gf/ cc. The lift experienced by the wall is nearly (a) 13 gf (c) 0.13 gf (b) 1.3 gf (d) 0.013 gf
Transcribed Image Text:11. A ping wall, having a diameter of 3.6 cm and weighing 2.4 g is served with a horizontal velocity of 10 m/s and a spin that gives rise to a coefficient of lift of 0.2. Assuming the density of air to be 0.129x 10-2 gf/ cc. The lift experienced by the wall is nearly (a) 13 gf (c) 0.13 gf (b) 1.3 gf (d) 0.013 gf
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