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A rocket has an initial mass of 20xx10^(...

A rocket has an initial mass of `20xx10^(3)` kg. If it is to blast off with an initial acceleration of `4ms^(-2)`, the initial thrust needed is `(g~=10ms^(-2))`

A

`6xx10^(4)` N

B

`28xx10^(4)` N

C

`20xx10^(4)` N

D

`12xx10^(4)` N

Text Solution

Verified by Experts

The correct Answer is:
B
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