Circular motion .........

Question

with what speed must a 1.5kg pendulum bob swing in a conical path if the supporting cord is 1.2m long and is 30deg. from the vertical?

B. find also the tension in the cord

Answer 1

try to consult university physics book 11th edition by young and freedman

Answer 2

for velocity,apply the relation bt potential & kinetic energy

nd for tension put mg cos 30 =tension

u will get da answer!!