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1. |
%_If u‚ÇÅ and u‚ÇÇ are the velocities of two moving bodies in the same direction before impact and v‚ÇÅ and v‚ÇÇ are their velocities after impact, then coefficient of restitution is given by_% |
A. | (v‚ÇÅ - v‚ÇÇ)/(u‚ÇÅ - u‚ÇÇ) |
B. | (v‚ÇÇ - v‚ÇÅ)/(u‚ÇÅ - u‚ÇÇ) |
C. | (u‚ÇÅ - u‚ÇÇ)/(v‚ÇÅ - v‚ÇÇ) |
D. | (u‚ÇÇ + u‚ÇÅ)/(v‚ÇÇ + v‚ÇÅ) |
Answer» C. (u‚Äö√á√Ö - u‚Äö√á√á)/(v‚Äö√á√Ö - v‚Äö√á√á) | |