Welcome to Westonci.ca, the ultimate question and answer platform. Get expert answers to your questions quickly and accurately. Get expert answers to your questions quickly and accurately from our dedicated community of professionals. Connect with a community of professionals ready to help you find accurate solutions to your questions quickly and efficiently.

a disc of mass 100 g is kept floating horizontally in air by firing bullets, each of mass 5 g with the same velocity at the same rate of 10 bullets per second. the bullets rebound with the same speed in opposite direction, the velocity of each bullet at the time of impact is: (a) 196 cm/s (b) 9.8 cm/s (c) 98 cm/s (d) 980 cm/s