Projectile motion and vectors 1. Resolve the following vector into its horizontal (vH) and vertical (vV) components. 300 m/s 300 2. A golf ball is hit north at 80 m/s into a crosswind of strength 5 m/s east. Calculate the balls resultant velocity. Draw a labelled vector diagram as a part of your response. 3. The figure below shows 3 ropes tied together in a knot. One of your friend’s pulls on the 1st rope with a force of 3 Newtons and another pulls on a 2nd rope with a forced of 5 Newtons. How hard and in what direction must you pull on a 3rd rope to keep the knot from moving? (Hint: If you don’t want the knot to move the net force must be zero). 5N 1200 3N ? 4. A shot put leaves an athletes hand at 7m/s and is projected horizontally. If the shot is 1.6m above the ground initially how far will it land in front of the athlete? 5. a. What will the highest point be of an arrow fired at 50 with an initial velocity of 90m/s if the archer shoots from 1.5m above the ground? b. how far will the arrow be horizontally from the archer at it’s highest point? 6.
