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A wood block of mass niw = 200 g is projected from the ground at a speed vn= 35 m/s and at an angle & = 50°. When at height It = 24 m the wood block was hit by a bullet of mass mb = 25 g which was moving at ih = 220 m/s and at an angle Oh = 70°. After the collision, the bullet embedded itself in the block and move together and land at point A on the ground. Then they move on the ground that has coefficient of kinctic friction µi = 0.5 and start to compress a horizontal spring at point B. The distance between point A and B is 18 m and the spring constant k = 3x10? N/m. Right end of the spring is fixed, and all motions are confincd in x-y plane.

A wood block of mass niw = 200 g is projected from the ground at a speed vn= 35 m/s and at an angle & = 50°. When at height It = 24 m the wood block was hit by a bullet of mass mb = 25 g which was moving at ih = 220 m/s and at an angle Oh = 70°. After the collision, the bullet embedded itself in the block and move together and land at point A on the ground. Then they move on the ground that has coefficient of kinctic friction µi = 0.5 and start to compress a horizontal spring at point B. The distance between point A and B is 18 m and the spring constant k = 3x10? N/m. Right end of the spring is fixed, and all motions are confincd in x-y plane.

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A wood block of mass mw = 200 g is projected from the ground at a speed vn = 35 m/s and at an angle On = 50°. When at height I = 24 m the wood block was hit by a bullet of mass mb = 25 g which was moving at h= 220 m/s and at an angle On = 70°. After the collision, the bullet embedded itself in the block and move together and land at point A on the ground. Then they move on the ground that has coefficient of kinctic friction µa = 0.5 and start to compress a horizontal spring at point B. The distance between point A and B is 18 m and the spring constant k = 3x102 N/m. Right end of the spring is fixed, and all motions are confined in x-y plane. Waod block + Bullet り。 Bullet Wood block (d) Calculate the velocity at which the block-bullet system lands at point A. What will be the speed of it at point B? (e) Determine how much the spring will be compressed when the block-bullet system comes to a rest.
Transcribed Image Text:A wood block of mass mw = 200 g is projected from the ground at a speed vn = 35 m/s and at an angle On = 50°. When at height I = 24 m the wood block was hit by a bullet of mass mb = 25 g which was moving at h= 220 m/s and at an angle On = 70°. After the collision, the bullet embedded itself in the block and move together and land at point A on the ground. Then they move on the ground that has coefficient of kinctic friction µa = 0.5 and start to compress a horizontal spring at point B. The distance between point A and B is 18 m and the spring constant k = 3x102 N/m. Right end of the spring is fixed, and all motions are confined in x-y plane. Waod block + Bullet り。 Bullet Wood block (d) Calculate the velocity at which the block-bullet system lands at point A. What will be the speed of it at point B? (e) Determine how much the spring will be compressed when the block-bullet system comes to a rest.
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