Figure shows the velocity-time graph for two masses `R` and `S` that collided elastically. Which of the following statements is true? i. `R` and `S` moved in the same direction after the collision. ii. The velocities of `R` and `S` were equal at the mid time of the collision. iii. The mass of `R` was greater than mass of `S`. Which of the following is true?A. ionlyB. ii onlyC. i and ii onlyD. i,ii, and iii

Figure shows the velocity-time graph for two masses `R` and `S` that c

1.	Figure shows the velocity-time graph for two masses `R` and `S` that collided elastically. Which of the following statements is true? i. `R` and `S` moved in the same direction after the collision. ii. The velocities of `R` and `S` were equal at the mid time of the collision. iii. The mass of `R` was greater than mass of `S`. Which of the following is true?A. ionlyB. ii onlyC. i and ii onlyD. i,ii, and iii
Answer» Correct Answer - D Since both have positive final velocities hene, both moved in the same direction after collision. ii At `t=2s`, both had equal velocities. iii By conservation of linear momentum, `m_(1)(0.8)=m_(1)(0.2)+m_(2)(1)=m_(1)/m_(2)=5/3impliesm_(1)gtm_(2)`

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