A man buys goods and finds that the cost of carriage is 4 percent of the cost of the goods he is compelled to sell at a loss of 5 percent on his total outlay of however he had received Rs 32.50 more than he did he would have gained 2 1 2 percent what was the original cost of the goods

Ateacher attaches a ball to a meter long string and whirls it around in a horizontal circle at constant speed. the teacher explains that the string is what makes the ball go in a circle. why is the string necessary? a) the string is needed to apply a torque to the ball. b) the string is needed to push on the ball to get it up to speed. c) circle motion requires an inertia which is provided by the string. d) circle motion requires a force to give it a centripetal acceleratio