A) \[{{v}_{1}}>{{v}_{2}}\]
B) \[{{v}_{1}}<{{v}_{2}}\]
C) \[{{v}_{1}}={{v}_{2}}\]
D) \[{{v}_{1}}\] and \[{{v}_{2}}\] cannot be compared
Correct Answer: C
Solution :
| [c] The gravitational force is conservative, so the work done by it is independent of path, hence in both cases |
| \[\frac{1}{2}\,m{{v}^{2}}=mgh\] |
| \[v=\sqrt{2gh}\,;\] independent of mass |
| So, \[{{v}_{1}}={{v}_{2}}\] |
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