A rocket is fired vertically upward. At the instant it reaches an altitude of 1 000 m and a speed of υi = 300 m/s, it explodes into three fragments having equal mass. One fragment moves upward with a speed of υ1 = 450 m/s following the explosion. The second fragment has a speed of υ2 = 240 m/s and is moving east right after the explosion. What is the velocity of the third fragment immediately after the explosion?

Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter8: Momentum And Collisions
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A rocket is fired vertically upward. At the instant it reaches an altitude of 1 000 m and a speed of υi = 300 m/s, it explodes into three fragments having equal mass. One fragment moves upward with a speed of υ1 = 450 m/s following the explosion. The second fragment has a speed of υ2 = 240 m/s and is moving east right after the explosion. What is the velocity of the third fragment immediately after the explosion?

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