Question

Two masses 10 kg and 20 kg respectively are connected by a massless spring as shown in figure. A force of 200 N acts on the 20 kg mass. At the instant shown is figure the 10 kg mass has acceleration of 12 m/s2. The value of acceleration of 20 kg mass is

• A. $4\ m/s^2$
• B. $10\ m/s^2$
• C. $20\ m/s^2$
• D. $30\ m/s^2$

Answer 1

Answer: (A)

$4\ m/s^2$

Answer 2

The correct option is (A): $4\ m/s^2$.