Name: Lab Section: Date: PreLab: Ballistic Pendulum Instructions: Prepare for th

Question

Name: Lab Section: Date: PreLab: Ballistic Pendulum Instructions: Prepare for this lab activity by answering the questions below. Note that this is a PreLab. It must be turned in at the start of the lab period. Time cannot be given in lab to perform PreLab activities. After the start of lab activities, PreLabs cannot be accepted. Explain your answers. Points will be taken of (3 points) What kind of collision does conserve momentum? conserve mechanical energy? 1. What kind of collision does not 2. (6 points) A bullet with a mass of 56 grams moving with a speed of 100 m/s slams into and wedges in a 1.6 kilogram block of wood nitially at rest. The block is supported by a string as in the diagram to the right. Which one, conservation of energy or conservation of momentum, can be applied to this situation? Why? 3, (6 points) How high ( Show your work h) does the block in problem #2 swing after being hit by the bullet?

Explanation / Answer

(1) There are two types of collisions, elastic collision, and inelastic collision. Momentum is conserved in elastic collisions and momentum is not conserved in inelastic collisions.

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