Which case shows the least acceleration?20 Ib20 lb15 lbA45°45°45°a.................45°В15 lbС 20 1ь20 lbC20 Ib45015 lb45°45°15 lb

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Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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A ball is dropped from rest at the top of a 60 meters tower. A horizontal wind gives it a constant horizontal acceleration, and the ball hits the ground 3 m west of its release point. Neglect vertical air resistance and neglect any effects associated with the rotation of the earth. 1. Calculate the horizontal acceleration ax. a. 0.490 m/s² b. 0.235 m/s² c. 0.583 m/s² d. 0.456 m/s² 3. Calculate the horizontal velocity Vx of the ball as it hits the ground. a. 1.716 m/s b. 1.235 m/s c. 1.524 m/s d. 1.124 m/s
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Which case shows the least acceleration? 20 Ib 20 lb 15 lb A 45° 45° 45° ** .. 45° В 15 lb С 20 1ь 20 lb C 20 Ib 45° 15 lb 45° 45° 15 lb