1.

a cracker rocket travelling at 85 km/hr ejects its burning gun powder at a speed of 185km/hr wrt the racket . the speed of the ejecting burning gunpowderas seen by a boy on the earth is

Answer» a cracker rocket travelling at 85 km/hr ejects its burning gun powder at a speed of 185km/hr wrt the racket . the speed of the ejecting burning gunpowderas seen by a boy on the earth is


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