

InterviewSolution
Saved Bookmarks
1. |
A bullet emerges from a barrel of length `1.2 m` with a speed of `640 ms^(1)`. Assuming constant acceleration, after the gun is fired isA. 4mB. 40mC. 400usD. 1s |
Answer» Correct Answer - B `s=12m, upsilon=640 ms^(-1)` `a=?, u=0, t = ? 2as = upsilon^(2)-u^(2)` `rArr 2axx12=640xx640rArr a=(8xx64xx100)/(3)` `upsilon=u+at rArr t=(upsilon)/(a)=(640xx3)/(8xx64xx100)=37.5xx10^(-3)s~~40 ms` |
|