Question

Please help me. I will surely mark as brain list​

Answer 1

Calculate the change in kimetic energy

hope its correct

Answer 2

Answer:

In the given problem, centripetal force will be equal to

F = kx

⇒ kx=mv2r⇒v=kxrm−−−−√

⇒ T=2πrv=2πmrkx−−−√⇒T∝rx−−√

∴ T'=Tr'xrx'−−−−√=T3a×a2a×2a−−−−−−−√=(3–√2)T