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startA jet 'airplane travelling at the speed of 500 kmat the speed of 1500 km hrelative to the jet plane. What is the speed of thlatter with respect to an observer on the ground?3.h ejects its products of combustiout hiihuro with sneed of 126 km h1 is brought to |
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Answer» Velocity of jet plane with respect to ground, vJ= 500 km/h Velocity of exhaust with respect to jet plane, vEJ= −1500 km/h Using the equation of relative velocity, vEJ= vE- vJ -1500 = vE- (500) vE= -1000 km/h Hence,Speed of Exhaust w.r.t. ground = 1000 km/h |
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