1. At the start of a race, Racer A has a velocity of 5m/s and starts at 6m with no acceleration. Racer B has an initial velocity of 2.5m/s and starts at Om with an acceleration of 0.5 m/s2. Find the time it takes for Racer B to catch up to Racer A. Answer in seconds. Answer 12 Answer range +/- 0.1 2. The cannon's maximum launch angle is 15 degrees and has a maximum range of 490m. If the cannon is placed on top of a castle's tower that is 15m tall. Find the highest point above the ground the cannon ball can reach before it impacts the ground. Answer in meters and to two decimal places. Answer 47.82 Answer range +/- 0.1 3. A Block is placed on an incline plane that has a coefficient of kinetic friction of 0.25 at an incline of 22 degrees. If the block is released from rest, find the velocity of the block after 4 seconds. Answer in m/s to two decimal places. Answer 5.6 Answer range +/- 0.1 4. A car travels around and unbanked curve with a radius of 100m at a velocity of 21m/s. If the car just safely travels around the curve without slipping. Find the coefficient of static friction between the road and the tires of the car. Answer to two decimal places. Answer 0.45 Answer range +/- 0.01