Question

The ring belongings to Radha is lost (possession)​

Answer 1

Answer:

Radha lost her ring...

Answer 2

Answer:

energy conservation

2

1

kx

2

=mg(2x)

⇒x=

k

4mg

(maximum elongation)

at equilibrium: kx=2mg⇒x=

k

2mg

So (K.M.)

max

=mg(2x)−

2

1

kx

2

=2mg(

k

2mg

)−

2

1

k(

k

2mg

)

2

2

1

mv

max

2

=

k

2m

2

g

2

⇒v

max

=2g

k

m