Two masses of 10kg and 20kg respectively are connected by a massless spring. A force of 200N acts on the 20kg mass. At the instant when the 10kg mass has an acceleration of 10ms^(-2)the acceleration of 20kg mass is_______ ms^(-2)

Two masses of 10kg and 20kg respectively are connected by a massless s

1.	Two masses of 10kg and 20kg respectively are connected by a massless spring. A force of 200N acts on the 20kg mass. At the instant when the 10kg mass has an acceleration of 10ms^(-2)the acceleration of 20kg mass is_______ ms^(-2)
Answer» 2 5 10 20 Answer :B