A volcano launches a lava bomb straight upward with an initialspeed of 28 m>s. Taking upward to be the positive direction, findthe speed and direction of motion of the lava bomb (a) 2.0 seconds and (b) 3.0 seconds after it is launched.

Glencoe Physics: Principles and Problems, Student Edition
1st Edition
ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Paul W. Zitzewitz
Chapter5: Displacement And Force In Two Dimensions
Section: Chapter Questions
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A volcano launches a lava bomb straight upward with an initial
speed of 28 m>s. Taking upward to be the positive direction, find
the speed and direction of motion of the lava bomb (a) 2.0 seconds and (b) 3.0 seconds after it is launched.

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