Problems 23 through 28 explore the motion of projectiles under constant acceleration or deceleration. A projectile is
Question:
Problems 23 through 28 explore the motion of projectiles under constant acceleration or deceleration.
A projectile is fired straight upward with an initial velocity of 100 m=s from the top of a building 20 m high and falls to the ground at the base of the building. Find
(a) Its maximum height above the ground;
(b) When it passes the top of the building;
(c) Its total time in the air.
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v 98t 100 and y 49t 2 100t 20 a v 0 when t 10098 s so the projectiles ma...View the full answer
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Related Book For 
Differential Equations And Linear Algebra
ISBN: 9780134497181
4th Edition
Authors: C. Edwards, David Penney, David Calvis
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