A dynamite blast at a quarry launches a rock straight upward, and 1.9 s later it is rising at a rate of 19 m/s. Assuming air resistance has no effect on the rock, calculate its speed (a) at launch and (b) 4.6 s after launch. (a)Number 37.6 Units m/s (b)Number i -7.48 Units m/s

A dynamite blast at a quarry launches a rock straight upward, and 1.9 s later it is rising at a rate of 19 m/s. Assuming air resistance has no effect on the rock, calculate its speed (a) at launch and (b) 4.6 s after launch. (a)Number 37.6 Units m/s (b)Number i -7.48 Units m/s

College Physics

10th Edition

ISBN:9781285737027

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter2: Motion In One Dimension

Section: Chapter Questions

Problem 6WUE: An arrow is shot straight up in the air at an initial speed of 15.0 m/s. After how much time is the...

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Distance and Speed

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Question

A dynamite blast at a quarry launches a rock straight upward, and 1.9 s later it is rising at a rate of 19 m/s. Assuming air resistance has
no effect on the rock, calculate its speed (a) at launch and (b) 4.6 s after launch.
(a)Number
37.6
Units
m/s
(b)Number i
-7.48
Units
m/s
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