Express the two forces in cartesian vector form when f1 = 250 n and f2 = 525 n. express the resultant vector as a cartesian vector. determine the magnitude and coordinate direction angles of the resultant. force f1 is rotated 45 degrees from the y axis in the x-y plane and 60 degrees up in the z direction. also, determine the coordinate direction angles of f1.

A250-n box is at rest on a frictionless horizotal floor. then a person shoves the box with a non-zero force of magnitude p. which statement best describes the relationship betweeen p and the motion of the box after it was shoved? -the box will not move when p< 250n but otherwise will accelerate at a constant rate that is directly proportional to p - the box will begin moving at a speed that is directly proportional to p, then will gradually slow to a halt -the box will move with constant velocity at a speed that is directly proportional to p -box will accelerate across the floor at a constant rate that is directly proportional to p

You are driving to the grocery store at 20 m/s. you are 110m from an intersection when the traffic light turns red. assume that your reaction time is 0.50s and that your car brakes with constant acceleration. how far are you from the intersection when you begin to apply the brakes? what acceleration will bring you to rest right at the intersection? how long does it take you to stop after the light changes? the known values: vi=20m/s xi=110m t=.50s vf=0m/s xf=0m a=?

Each line (unit) on the horizontal axis represents: 5 years 10 years 20 years all of the above