Use the correct number of significant ftpums for a.\" answers. 1. The second hand on an analog clock extends 111.1] cm from the center of the clock. Calculate both the average speed and the average velocity of the tip of the second hand over the oourse ol' [Elli] seconds. 2. On a road trip, you drive at a constant speed of 9111] kmf'h on a straight, empty road for 12 minutes. How far have you traveled in km? 3. Sound travels about 343 mfs. You and a friend stand on opposite ends of a football eld [91 .44 meters apart}. Your l'riend shouts loudlyr enough for you to hear. How much time passes between when your friend shouts and when you hear them? 4. Olympic sprinter Usain Bolt is known for his recordbreaking 101'] meter dash. The table below shows his displacement and time during a sprint he made in EDGE. at... {my (a) 1Lii'hat is his average speed in mfs lor the entire 100.1] m? (b) During which of the 1110 rn segments does he reach his highest average speed? [c] Assume his velocity is constant for the period between 5.34 seconds and 6.16 seconds. Calculate his average acceleration between 1101] and 5.34 seconds. (d) Compare this acceleration with that of a Honda Civic, which can increase in speed from 111] mph to Bill] mph in ?.1 seconds. {1 km is D.ti24-'-1- miles) 5. A driver in a car traveling 15.? mfs slams on the brakes, which decelerate the car at a rate of T29 rnf'sz. (a) How long does it take the car to stop in seconds? (b) How far does the car travel during this time