A) \[1.75\times {{10}^{5}}N\]
B) \[3.5\times {{10}^{5}}N\]
C) \[7.0\times {{10}^{5}}N\]
D) \[14.0\times {{10}^{5}}N\]
Correct Answer: C
Solution :
Initial thrust must be \[m\,[g+a]=3.5\times {{10}^{4}}(10+10)=7\times {{10}^{5}}N\]
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