Two particles A and B move from rest along a straight line with constant accelerations f and f' respectively. If A takes m sec. more than that of B and describes n units more than that of B in acquiring the same velocity, then
- A$$(f + f'){m^2} = ff'n$$
- B$$(f - ff'){m^2} = ff'n$$
- C$$(f' - f)n = {1 \over 2}ff'{m^2}$$
- D$${1 \over 2}(f + f')m = ff'{n^2}$$
✓ Correct answer: C
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