MCQOPTIONS
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MCQOPTIONS
| 1. |
Three blocks are initially placed as shown in the figure. Block \[A\] has mass m and initial velocity \[v\] to the right. Block \[B\] with mass and block C with mass \[4m\] are both initially at rest. Neglect friction. All collisions are elastic. The final velocity of blocks \[A\] is |
| A. | 0.6\[v\]to the left |
| B. | 1.4\[v\]to the left |
| C. | \[v\] to the left |
| D. | 0.4 \[v\] to the right |
| Answer» B. 1.4\[v\]to the left | |