A) \[\frac{x}{a}+\frac{y}{b}=1\]
B) \[\frac{1}{{{a}^{2}}}+\frac{1}{{{b}^{2}}}=\frac{1}{{{c}^{2}}},\]
C) \[{{x}^{2}}+{{y}^{2}}-4x-12=0\]
D) \[{{x}^{2}}+{{y}^{2}}4x-12=0\]
Correct Answer: B
Solution :
Let in 2 s body reaches upto point A and after one more sec upto point 6. Total time of ascent for a body is given 3 sYou need to login to perform this action.
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3 sec