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27 Nov 2019
A 210-kg projectile, fired with a speed of 142 m/s at a 69.0degrees angle, breaks into three pieces of equal mass at thehighest point of its arc (where its velocity is horizontal). Two ofthe fragments move with the same speed right after the explosion asthe entire projectile had just before the explosion; one of thesemoves vertically downward and the other horizontally.
A) Determine the magnitude of the velocity of thethird fragment immediately after the explosion.
B) Determine the direction of the velocity of thethird fragment immediately after the explosion.
C) Determine the energy released in the explosion.
A 210-kg projectile, fired with a speed of 142 m/s at a 69.0degrees angle, breaks into three pieces of equal mass at thehighest point of its arc (where its velocity is horizontal). Two ofthe fragments move with the same speed right after the explosion asthe entire projectile had just before the explosion; one of thesemoves vertically downward and the other horizontally.
A) Determine the magnitude of the velocity of thethird fragment immediately after the explosion.
B) Determine the direction of the velocity of thethird fragment immediately after the explosion.
C) Determine the energy released in the explosion.
