Suppose hominids one million years ago had left behind maps of the night sky. would these maps represent accurately the sky that we see today? why or why not?

Explain in physical terms how a microwave oven works. what would happen when you put a conductor in the microwave oven? explain.

Suppose an objects initial velocity is 10m/s and it’s final velocity is 4 m/s. mass is constant. what can best be concluded about the object based in the work-energy theorem

You have a pick-up truck that weighed 4,000 pounds when it was new. you are modifying it to increase its ground clearance. when you are finished