3. what average net force is required to stop a 7 kg shopping cart in 2 s if it's initially
traveling at 3.5 m/s?

The frequencies refer to the sample data collected from a population of interest when performing a hypothesis test comparing two or more population proportions.

Light from a sodium lamp passes through a diffraction grating that has 1000 slits per millimeter. the interference pattern is viewed on a screen 1.000 m behind the grating. the first (m = 1) two bright yellow fringes that are visible are 0.7288 m and 0.7300 m from the central maximum. what are the wavelengths of these two fringes?

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