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Two blocks of masses 7 kg and 3 kg are c...

Two blocks of masses 7 kg and 3 kg are connected by a spring of stiffness `1000Nm^(-1)` and placed on a smooth horizontal surface. They are acted by horizontal forces of 72 N and 32 N in opposite directions as shown in the figure. When accelerations of the blocks are equal and constant, the extension of the spring is

A

4cm

B

5cm

C

6cm

D

8cm

Text Solution

Verified by Experts

The correct Answer is:
C
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