A) 1 : 1
B) 1 : 4
C) 1 : 8
D) 1 : 16
Correct Answer: D
Solution :
Car-1 | Car-2 |
\[{{u}_{1}}=u\] | \[{{u}_{2}}=4u\] |
\[{{v}_{1}}=0\] | \[{{v}_{2}}=0\] |
\[{{S}_{1}}:{{S}_{2}}=?\] | \[{{v}^{2}}{{u}^{2}}\propto S\] |
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