Answer:
As is
clear from Fig. 4.46, both the blocks slide down different slopes from the
height h. As there is no friction and gravitational forces are conservative.
\[\therefore \] K.E. on the ground =
P.E. at the top
\[\frac{1}{2}m{{\upsilon }^{2}}=mgh\]
\[\upsilon =\sqrt{2gh}\]
\[\therefore \] Both the blocks will reach the ground with
the same velocity.
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