Question

A 425 kg satellite is in a circular orbit at an altitude of 400 km above the Earth's surface. Because of air friction, the satellite eventually falls to the Earth's surface, where it hits the ground with a speed of 2.10 km/s. How much energy was transformed into internal energy by means of air friction? J Need Help? Read It

Answer 1

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th=4001km V= 2.10 ka Se 4253 t alti ude h enery m Mm 4Mm (2-th) 4M - Pth) GmM Er Rth) mv-mM R when it hits the 24 6-67104256X1O AssE- n1 2 378-1+40) 24 x425 x 12-1x103)-6-67xlo425 x6 No L378.1x10 =1.31896 Xl