A baseball player throws the ball to first base to make an
out consider the forces acting only on the ball when is the
ball is flying to first base

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

Explain vector addition, triangle method and parallelogram method

Awave is produced in a rope. the wave has a speed of 33 m/s and a frequency of 22 hz.