What is the velocity of an 72 kg skateboarder traveling down hill with a momentum of 1800 kg-m/s. 25 m/s
50 m/
1296 m/a
18 m/s

Which are examples of projectile motion? choose all that apply a. a soccer ball rolling across the ground in the northeast direction b. a car turning a corner, so it is heading south c. a javelin flying through the air d. a tennis ball lobbed over the net

Which of the following is an example of motion in two dimensions?

You throw a small rock straight up from the edge of a highway bridge that crosses a river. the rock passes you on its way down, 7.00 s after it was thrown. what is the speed of the rock just before it reaches the water 28.0 m below the point where the rock left your hand? ignore air resistance.