Question

Direction (Q. No. 46 and 47): Read the given passage
and answer the following questions.
A small block of mass M = 1 kg moves on a frictionless
surface of an inclined plane, as shown in the figure. The
angle of the incline suddenly changes from 60° to 30° at
point Q. The block is initially at rest at point P. Assume
that there is no loss of energy for collisions between the
block and the incline. (Take g = 10 m s?)
POM
609
46.
30° R
K
√3m 3/3m
The speed of the block at point Q immediately before
it strikes the second incline is
. √60ms B. 45 mst
C. 130 ms D. V15 ms!
4.1
111
.
n
.​

Answer 1

Answer:

option (c)is the answer of the question

Answer 2

Answer:

option c is correct

hope it will help you!!!