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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > Two identical particles A and B of mass m each are connected together by a light and inextensible string of length l. The particle are held at rest in air in same horizontal level at a separation I. Both particles are released simultaneously and one of them (say A) is given speed V0 vertically upward. Choose the correct options (s). Ignore air resistance.

Two identical particles A and B of mass m each are connected together by a light and inextensible string of length l. The particle are held at rest in air in same horizontal level at a separation I. Both particles are released simultaneously and one of them (say A) is given speed V0 vertically upward. Choose the correct options (s). Ignore air resistance.

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