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A projectile of mass m = 3 kg is fired with an initial speed of 120 m/s at an angle of 30° with the horizontal. At the top of its trajectory, the projectile explodes into two fragments of masses 1 kg and 2 kg. The 2-kg fragment lands on the ground directly below the point of explosion 3.6 s after the explosion. (a) Determine the velocity of the 1-kg fragment immediately after the explosion. (b) Find the distance between the point of firing and the point at which the 1-kg fragment strikes the ground. (c) Determine the energy released in the explosion.

A projectile of mass m = 3 kg is fired with an initial speed of 120 m/s at an angle of 30° with the horizontal. At the top of its trajectory, the projectile explodes into two fragments of masses 1 kg and 2 kg. The 2-kg fragment lands on the ground directly below the point of explosion 3.6 s after the explosion. (a) Determine the velocity of the 1-kg fragment immediately after the explosion. (b) Find the distance between the point of firing and the point at which the 1-kg fragment strikes the ground. (c) Determine the energy released in the explosion.

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A projectile of mass m = 3 kg is fired with an initial speed of 120 m/s at an angle of 30° with the horizontal. At the top of its trajectory, the projectile explodes into two fragments of masses 1 kg and 2 kg. The 2-kg fragment lands on the ground directly below the point of explosion 3.6 s after the explosion. (a) Determine the velocity of the 1-kg fragment immediately after the explosion. (b) Find the distance between the point of firing and the point at which the 1-kg fragment strikes the ground. (c) Determine the energy released in the explosion.
Transcribed Image Text:A projectile of mass m = 3 kg is fired with an initial speed of 120 m/s at an angle of 30° with the horizontal. At the top of its trajectory, the projectile explodes into two fragments of masses 1 kg and 2 kg. The 2-kg fragment lands on the ground directly below the point of explosion 3.6 s after the explosion. (a) Determine the velocity of the 1-kg fragment immediately after the explosion. (b) Find the distance between the point of firing and the point at which the 1-kg fragment strikes the ground. (c) Determine the energy released in the explosion.
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