A rocket of initial mass 100kg ejects gases at the rate of 20kgper second with a relative speed of 20m per second. Find the acceleration of the rocket after 2sec
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M = mass of rocket at t = 2s
=initial mass - rate of consumption of gas×t
=100-20×2
=100-40
=60 kg
acceleration=
(v×rate of consumption of gas/M)-g
(20×20/60)-10
=(400/60)-10
=3.333 m/s^2
=initial mass - rate of consumption of gas×t
=100-20×2
=100-40
=60 kg
acceleration=
(v×rate of consumption of gas/M)-g
(20×20/60)-10
=(400/60)-10
=3.333 m/s^2
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Explanation:
answer is 3.333m/s^².........
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