Flynn and his sister were rolling a ball back and forth on the floor. Flynn rolled the
ball to his sister, but it stopped before it got to her. What caused the ball to stop
rolling?
A. Flynn pushed it too hard

B. The air resistance on the ball

C. The friction between the ball and the floor

D. The ball's momentum

The desk has a weight of 75 lb and a center of gravity at g. determine the initial acceleration of a desk when the man applies enough force f to overcome the static friction at a and b. also, find the vertical reactions on each of the two legs at a and at b. the coefficients of static and kinetic friction at a and b are ms = 0.5 and mk = 0.2, respectively

Abeam of electrons with of wavelength of 7.5 x 10-6 m is incident on a pair of narrow rectangular slits separated by 0.75 mm. the resulting interference pattern is projected onto a screen 10.0 m from the slits. what is the separation of the interference maxima in the resulting interference pattern?

Astate of matter all that has define volume and can flow is a(n)