Question

夏芯

大一普物第55題

下       xosu、 to 一人讓語生        說
53555 ww Asmallrock with mass nils id olights ring 0t length
qd whirled in a vertical circle of radius 及 (3 What is the minimums
Speed pat the rock:s highest point for which it Stays in acircular batt
69) the speed at the rock?s lowest point in its ctrcular path is twice the

Vajue found in part (a), what is the tension in the string when the rock
IS af 鈣js poInt?2