Question

Rocket is fired vertically up from the ground with the resultant vertical acceleration of 10 metre per second square this fuel is finished in one minute and it continue to move what is the maximum height reached

Answer 1

(60 s) with a=10m/s2a=10m/s2 upward is

h1=12h1=12×10×602×10×602

=18000m=18000m

=18km=18km

Velocity acquired =>

v=10×60v=10×60

=600m/s=600m/s

after 1 minute the rocket moves upward with velocity 600m/s600m/s and down ward.

acceleration due to gravity till its velocity becomes zero

0=(600)2−2gh20=(600)2−2gh2

=(600)2−2×10×h2=(600)2−2×10×h2

=>h2=18000m=>h2=18000m

=>18km=>18km

Total distance 18+18=36km

Explanation:

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