Q1) (25 points) The bullet A with a mass of 10 g is fired to the...

 
 

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Q1) (25 points) The bullet A with a mass of 10 g is fired to the block B with a mass of 2,5 kg, which is at rest. A spring with a stiffness of k = 3 kN/m is attached to the block and initially, there is no force on the spring. After the impact, the bullet becomes embedded in the block. Assume the duration of the impact is 6 seconds. Neglect friction between the block and the horizontal surface. If the velocity of the bullet is VA = 700 m/s; A a) determine the compression of the spring, b) determine the magnitude of the impulse of the impact force and the average impact force. VA B Q1) (25 points) The bullet A with a mass of 10 g is fired to the block B with a mass of 2,5 kg, which is at rest. A spring with a stiffness of k = 3 kN/m is attached to the block and initially, there is no force on the spring. After the impact, the bullet becomes embedded in the block. Assume the duration of the impact is 6 seconds. Neglect friction between the block and the horizontal surface. If the velocity of the bullet is VA = 700 m/s; A a) determine the compression of the spring, b) determine the magnitude of the impulse of the impact force and the average impact force. VA B

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