Questions: 'I. Differentiate Speed. Velocity and Acceleration. Give example problems each. [15pts] 2. A train travels a distance of 100m clue east in 105. What is its speed and velocity? {5pts} 3. A train moving with a uniform speed covers a distance of 120m in 2s. Calculate the speed ofthe train and the time taken to cover a distance of 240m. (Splsl 4. Find the nal velocity of the ball that is dropped from the second floor if the ball takes 18 seconds before hitting the ground. The acceleration clue to gravity is g = 9.80665 msZ. (Sptsl