Sagot :
Answer:
3.43m/s.
Explanation: At the top of the circle the weight is balanced by the centripetal force so: m g=m v2r. ∴v=√gr. v=√9.8×1.2=3.43m/s.
Answer:
3.43m/s.
Explanation: At the top of the circle the weight is balanced by the centripetal force so: m g=m v2r. ∴v=√gr. v=√9.8×1.2=3.43m/s.