If you weight 100 pounds on earth how much would you weight on the moon

1. how to locate the image in converging(concave) mirror and diverging (convex) mirror with salt. 2. how to locate the image in a converging (convex) lens and diverging (concave) lens with salt.

The diagram shows four locations in the electric field of a positive point charge m. at which location is the electric potential the greatest.

Anika asks eva to roll a basketball and then a bowling ball to her. which requires more force to roll, and why?