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A grenade (mass = 3 kg), moving horizontally at 60 m/s, explodes into two fragments with masses m1 = 1 kg and m2 = 2 kg. The first fragment, m1, is ejected upwards at an angle of 37º with the horizontal, and the second fragment, m2, is ejected downwards at an angle of 45º. 1. Make a diagram drawing the momentum vectors of the system before and after the explosion. What magnitude is conserved? Write the corresponding vector expression.  2. Find the magnitude of the velocity of the first and second fragments.

A grenade (mass = 3 kg), moving horizontally at 60 m/s, explodes into two fragments with masses m1 = 1 kg and m2 = 2 kg. The first fragment, m1, is ejected upwards at an angle of 37º with the horizontal, and the second fragment, m2, is ejected downwards at an angle of 45º. 1. Make a diagram drawing the momentum vectors of the system before and after the explosion. What magnitude is conserved? Write the corresponding vector expression.  2. Find the magnitude of the velocity of the first and second fragments.

University Physics Volume 1
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 34P: A ball of mass 250 g is thrown with an initial velocity of 25 m/s at an angle of 30 with the...
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A grenade (mass = 3 kg), moving horizontally at 60 m/s, explodes into two fragments with masses m1 = 1 kg and m2 = 2 kg. The first fragment, m1, is ejected upwards at an angle of 37º with the horizontal, and the second fragment, m2, is ejected downwards at an angle of 45º.

1. Make a diagram drawing the momentum vectors of the system before and after the explosion. What magnitude is conserved? Write the corresponding vector expression. 

2. Find the magnitude of the velocity of the first and second fragments. 

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