A TOY CANON OF MAASS 60G IS MOVING ON A SMOOTH TRACK WITH THE VELOCITY 1.25 CM/S IT CAN FIRE THE SHELLS IN BACKWARD DIRECTION WITH THE VELOCITY OF 15 CM/S WITH RESPECT TO CANNON . AFTER FIRING EVERY SHELL CANNON TURNS A RIGHT ANGLE TOWARDS LEFT AND FIRES THE NEXT SHELL. FIND THE SPEED OF CANNON AFTER IT FIRES THE FOURTH SHELL.

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iit jee · Answer

hi, total momentum of the system is conserved. thus the speed of the canon after it fires the fourth shell remains same(1.25cm/s)................

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