A 20-kg rock moving at 12.5 m/s in a straight line explodes into two unequal pieces. One piece (8.7 kg) flies off at 15.4 m/s at an angle of 35o above the original straight line motion.  What is the speed and direction of the second piece relative to the original motion?

University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter9: Linear Momentum And Collisions
Section: Chapter Questions
Problem 46P: A 100-g firecracker is launched vertically into the air and explodes into two pieces at the peak of...
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A 20-kg rock moving at 12.5 m/s in a straight line explodes into two unequal pieces. One piece (8.7 kg) flies off at 15.4 m/s at an angle of 35o above the original straight line motion.  What is the speed and direction of the second piece relative to the original motion?

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