A brick is dropped (zero initial speed) from the roof of a building. The brick strikes the ground in 2.5 s. You may ignore air resistance, so the brick is in free fall. How tall, in meters, is the building? what is the magnitude of the brick's velocity just before it reaches the ground? Sketch a,-t, vy-t, and y-t graphs for the motion of the brick.
A brick is dropped (zero initial speed) from the roof of a building. The brick strikes the ground in 2.5 s. You may ignore air resistance, so the brick is in free fall. How tall, in meters, is the building? what is the magnitude of the brick's velocity just before it reaches the ground? Sketch a,-t, vy-t, and y-t graphs for the motion of the brick.
Physics for Scientists and Engineers, Technology Update (No access codes included)
9th Edition
ISBN:9781305116399
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter2: Motion In One Dimension
Section: Chapter Questions
Problem 2.72AP: A catapult launches a test rocket vertically upward from a well, giving the rocket an initial speed...
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