From the graph find the cars speed 5 seconds into the journey

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.

We put a force of 50n on an object and the acceleration is 100 m/s². what is the mass of the object?

The energy released by a nuclear fusion reaction is produced when