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A lump of concrete falls off a crumbling overpass and strikes an automobile
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<blockquote data-quote="henryka" data-source="post: 2201508" data-attributes="member: 775252"><p>traveling on a highway below.? The lump of concrete falls 4.6 m before impact, and the automobile has a speed of 72 km/h.</p><p>(a) What is the speed of impact of the lump in the reference frame of the automobile?</p><p></p><p>(b) What is the angle of impact? (measured from the vertical)</p></blockquote><p></p>
[QUOTE="henryka, post: 2201508, member: 775252"] traveling on a highway below.? The lump of concrete falls 4.6 m before impact, and the automobile has a speed of 72 km/h. (a) What is the speed of impact of the lump in the reference frame of the automobile? (b) What is the angle of impact? (measured from the vertical) [/QUOTE]
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