A golf ball with a mass of 45 g is dropped from a height of 1 m. From last semester, you could figure out that its velocity right before it hits the ground is .44 m/s.

You are given a vector a = 125i and an unknown vector b that is perpendicular to a. the cross-product of these two vectors is a × b = 98k. what is the y-component of vector b?

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

Acid precipitation chemically weathering a 5.0-kg limestone rock . which coukd be the result ?