4. Uniform Circular Motion:
a. Find the centripedal acceleration of a rock that weighs 2.3 N that is being hurled in a sling with a radius of 12 cm at a velocity of 0.7m / s.
b. Find the force felt by the spring.
![4 Uniform Circular Motion a Find the centripedal acceleration of a rock that weighs 23 N that is being hurled in a sling with a radius of 12 cm at a velocity of class=](https://us-static.z-dn.net/files/dc9/876cb409e58b59be02be76d44c827de6.png)