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directdelta
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http://blog.360.yahoo.com/blog-rkirjZg1crSQi6eQnmqL4njg_w--?cq=1
Please try to solve this problem. Thanks.
Please try to solve this problem. Thanks.
Please show us your attempt at solving this problem. Then we will help you work your way through it.directdelta said:http://blog.360.yahoo.com/blog-rkirjZg1crSQi6eQnmqL4njg_w--?cq=1
Please try to solve this problem. Thanks.
Let's be clear on M vs m and V vs v. Your energy calculation involves the spring and the block, so i assume m is mass of block and v is its velocity when the spring starts to compress. The momentum conservation problem can be assumed complete before the spring compreses.directdelta said:Okay... i equated .5kx^2 and .5mv^2 for the block, and got the velocity, v. Then i used mv=MV (conservation of momentum) to find the final velocity of the bullet as it emerges out of the block. But that is not the correct answer.
Help me.
Interesting problem.directdelta said:http://blog.360.yahoo.com/blog-rkirjZg1crSQi6eQnmqL4njg_w--?cq=1
Please try to solve this problem. Thanks.
The "Bullet and a Block" problem is a physics problem that involves a bullet being fired into a block of wood. The goal is to calculate the velocity of the bullet after it has penetrated a certain distance into the block.
The main factors that affect the solution to this problem are the initial velocity of the bullet, the mass and density of the bullet and block, and the distance the bullet penetrates into the block.
The problem is typically solved using the principles of conservation of momentum and energy. This involves setting up equations using the initial and final velocities and the masses of the bullet and block, and then solving for the unknown variables.
The "Bullet and a Block" problem has many real-world applications, such as in forensic science for determining the trajectory and speed of a bullet, in ballistics for designing bulletproof materials, and in engineering for understanding the impact of projectiles on structures.
Some possible extensions or variations of the problem include adding friction or air resistance, considering the block to be made of different materials, or changing the initial conditions such as the angle of the bullet's trajectory or the shape of the block.