Determine the speed at which it crashed on the ground

Reference no: EM13313116

At the beginning of 2013, an asteroid crashed in Russia, making for a very spectacular Youtube clip. If we neglect the drag with air, which makes the temperature of the asteroid increase and thus, making it flashy, and we know that it entered the atmosphere with a speed of 140 m/s, determine the speed at which it crashed on the ground. Estimate the height of the atmosphere to be 20 km.

Reference no: EM13313116

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