Question

A small object of uniform density rolls up a curved

surface with an initial velocity v. It reacter upto

maximum height of

2 3

4

v

g with respect to the initial

position. The object is​

Answer 1

Answer:

v=

1+

r

2

k

2

2gh

v

2

=

4g(1+

r

2

k

2

)

2g3v

2

⇒1+

r

2

k

2

=

2

3

k

2

=

2

1

r

2

→disc