Ross was taking a walk on a cold, winter day. a few minutes into his walk, ross's hands got cold, so he rubbed them together to warm them. ross warmed his hands by using:

Aball is fired with an initial velocity of 500 m/s at an angle of 30 degrees above the horizontal across a level field. a. what are the horizontal and vertical components of the initial velocity. b. calculate the maximum height, the time of flight, and the range of the ball.