A cannonball is launched at 350m/s at an angle of 20° above the horizontal. What is its maximum height?

_____meters

 

A 20 unit long vector points at 300° measured counterclockwise from the +X axis. Find its Y coordinate.

_____units

 

Find the sum (resultant) of these two vectors.

A=50units @ + 60°

B=30units @ +140°

C=____units @ _____°

 

A skater on a frictionless lake hits a puck directly North at 13m/s. A breeze blows from the West and steadily accelerates the puck Eastward at 1.5m/s/s. How far will the puck be from the skater in 10seconds?

_____meters

 

Extra credit….

For the cannonball in problem #1, with what speed does it hit the ground?

HINT:Must consider more than just the Y velocity. _____m/s