Physics, asked by Anonymous, 1 month ago

please solve this question I have exam today iit. MPC

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Answers

Answered by sunandatalgaonkar28

4

Correct option is c)60s

Solution:

S=ut=½ at²

S=½(10) (30)²=4500m

v²=u²=2as

v=300 m/s

Now after fuel is consumed:

a= -10

v=0

v=u-gt

t=30s

Total Time= 30+30=60s

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