A stone attached to the end of an inelastic string is whirled round insc a circular path of radius20cm if the stone makes15% complete revolution in 5sec calculate it s angular and linear velocity within this period

Question

A stone attached to the  end of an inelastic string is whirled round insc a circular path of  radius20cm if the stone makes15% complete revolution in 5sec calculate it s angular and linear velocity within this period

Damon · Answer

15% complete revolution in 5sec Huh? Please proofread

henry2, · Answer

Va = 15rev/5s * 6.28rad/rev = 18.84 rad/s. C = 2pi*r = 6.28*20cm = 125.6 cm = circumference. V = 15rev/5s * 125.6cm/rev = ----cm/s.