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1.A bullet with a mass of 45 g is fired into a 8.3-kg block of wood...

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Physics

1.A bullet with a mass of 45 g is fired into a 8.3-kg block ofwood resting on a floor against a spring. This ideal spring(k = 76 N/m) has a maximum compression of 28 cm. What wasthe initial speed of the bullet?

2.Two common and identical carts are used to perform anexperiment. Cart A is pushed toward the stationary cart B with avelocity of 2.6 m/s. After the collision, cart A bounces back witha speed of 0.8 m/s and cart B moves of with a speed of 3.4 m/s. Whyis this not possible?

Answer & Explanation Solved by verified expert
3.7 Ratings (373 Votes)
also final energy can be equal or less    See Answer
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