A) \[\frac{5}{8}\frac{{{u}^{2}}}{g}\]
B) \[\frac{3\sqrt{2}}{4}\frac{{{u}^{2}}}{g}\]
C) \[\frac{3\sqrt{3}}{8}\,\,\frac{{{u}^{2}}}{g}\]
D) \[2\sqrt{2}\frac{{{u}^{2}}}{g}\]
Correct Answer: C
Solution :
\[2m{{v}_{x}}=mu+mu\,\,\cos 60{}^\circ \] \[{{v}_{x}}=\frac{3u}{4}\] Horizontal range after collision \[=\frac{3u}{4}\times \sqrt{\frac{2H}{g}}\] \[=\frac{3\sqrt{3}{{u}^{2}}}{8g}\]You need to login to perform this action.
You will be redirected in
3 sec