A cannon ball fired at an angle of 30o with a velocity of 150 m/s lands 20 seconds later. What is the vertical velocity of the ball at 10 seconds?

1400 kg car has a speed of 27 m/s. if it takes 7 s to stop the car, what is the impulse and the average force acting on the car?

What is the final velocity of the initial velocity of 25 and -50?

Asatellite component is in the shape of a cube with 10cm edges, has an evenly distributed mass of 2 kg and one bolt hole at each of four corners. if the maximum predicted random vibration environment is 10 grms, what bolt size would be a good choice for restraint? what other factors might drive bolt size besides force/stress?