The tension in the string is measured to be 8.0 N . What would the tension be if the ball went around in only half a second

An incident ray through the focal point of a spherical mirror will: reflect through the center of curvature. reflect back through the focal point. reflect parallel to the principle axis. reflect the same direction as the incident ray.

4. if you were an astronaut on the moon, what would you experience? what would you see from your perspective?

Directions: count the number of atoms. ar co2 na3po4 so3 nac2h3o2