Runner A is initially 8.0 mi west of a flagpole and is running with a constant velocity of 2.0 mi/h due east. Runner B is initially 6.0 mi east of the flagpole and is running with a constant velocity of 7.0 mi/h due west. How far are the runners from the flagpole when they meet?

If the force on an object is in the negative direction, the work it does on the object must be [2 points a) negative. b) positive c) the work could be either positive or negative, depending on the direction the object moves

Positrons are spontaneously emitted from the nuclei of

When a vertical beam of light passes through a transparent medium, the rate at which its intensity i decreases is proportional to i(t), where t represents the thickness of the medium (in feet). in clear seawater, the intensity 3 feet below the surface is 25% of the initial intensity i0 of the incident beam. what is the intensity of the beam "10" feet below the surface? (give your answer in terms of i0. round any constants or coefficients to five decimal places.)