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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > Two blocks of masses in and 4 m lie on a smooth horizontal surface connected with a spring in its natural length. Mass m is given velocity v0 through an impulse as shown in Fig. Which of the following is not true about subsequent motion?

Two blocks of masses in and 4 m lie on a smooth horizontal surface connected with a spring in its natural length. Mass m is given velocity v0 through an impulse as shown in Fig. Which of the following is not true about subsequent motion?

A strip of wood mass M and length l is placed on a smooth horizontal surface. An insect of mass m starts from rest at one end of the strip and walks to the other end in time t moving with a constant speed. The speed of the insect as seen from the ground is