(II) A meteorite has a speed of 90.0 m/s when 850 km
Chapter , Problem 56(choose chapter or problem)
(II) A meteorite has a speed of 90.0 m/s when 850 km abovethe Earth. It is falling vertically (ignore air resistance) andstrikes a bed of sand in which it is brought to rest in 3.25 m.(a) What is its speed just before striking the sand? (b) How muchwork does the sand do to stop the meteorite (mass = 575 kg)?(c) What is the average force exerted by the sand on themeteorite? (d) How much thermal energy is produced?
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