Q. A soccer player kicks a stationary ball, giving it a speed of 20 m/s at an angle of 15.0 degrees to the horizontal. (1) What is the maximum height reached by the ball? (2) What is the ball's range? (3) How could the range be improved?
Q. Each tire of an automobile has an area of 0.026m^2 in contact with the ground. The weight of the automobile is 2.6x10^4 N. What is the pressure in the tires?