A soccer ball is kicked from ground level at a velocity of 40 m/s at an angle of 30o above
the horizontal. Find:
a. Hang Time (total time the ball is in the air)
b. The ball’s maximum height
c. The ball’s Range

Agas contained within a piston-cylinder assembly undergoes three processes in series: process 12: compression with pv= constant from 1 bar and 1 liter to 4 bar. process 23: constant pressure expansion to 1 liter. process 31: constant volume calculate the pressure and volume at each state, and sketch the processes on a p-vdiagram labeled with pressure and volume values at each numbered stat

Oxygen and nutrients are moved through the body by the: a. circulatory system c. lymphatic system b. digestive system d. reproductive system

Simple machines can a. increase force only b. decrease force only c. increase or decrease force