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Physics: Principles with Applications | 6th Edition | ISBN: 9780130606204 | Authors: Douglas C. Giancoli
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Application The Moon’s craters are remnants of meteorite

Chapter 2, Problem 40PE

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QUESTION:

Application The Moon’s craters are remnants of meteorite collisions. Suppose a fairly large asteroid that has a mass of 5.00× kg (about a kilometer across) strikes the Moon at a speed of 15.0 km/s. (a) At what speed does the Moon recoil after the perfectly inelastic collision (the mass of the Moon is 7.36×1022 kg ) ? (b) How much kinetic energy is lost in the collision? Such an event may have been observed by medieval English monks who reported observing a red glow and subsequent haze about the Moon. (c) In October 2009, NASA crashed a rocket into the Moon, and analyzed the plume produced by the impact. (Significant amounts of water were detected.) Answer part (a) and (b) for this real-life experiment. The mass of the rocket was 2000 kg and its speed upon impact was 9000 km/h. How does the plume produced alter these results?

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QUESTION:

Application The Moon’s craters are remnants of meteorite collisions. Suppose a fairly large asteroid that has a mass of 5.00× kg (about a kilometer across) strikes the Moon at a speed of 15.0 km/s. (a) At what speed does the Moon recoil after the perfectly inelastic collision (the mass of the Moon is 7.36×1022 kg ) ? (b) How much kinetic energy is lost in the collision? Such an event may have been observed by medieval English monks who reported observing a red glow and subsequent haze about the Moon. (c) In October 2009, NASA crashed a rocket into the Moon, and analyzed the plume produced by the impact. (Significant amounts of water were detected.) Answer part (a) and (b) for this real-life experiment. The mass of the rocket was 2000 kg and its speed upon impact was 9000 km/h. How does the plume produced alter these results?

ANSWER:

Step-by-step solution In this problem we have to find the speed of the Moon recoil after the perfectly inelastic collision ,the kinetic energy lost in the collision and the real - life result as per the data given by NASA respectively: Step 1 o f 18 (a) For a perfectly inelastic collision, momentum is conserved too. (No external force acting on the system)

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