5 questions to be answered

Review | Part A Swimmers compete in a 1.50-km freestyle distance. The fastest swimmer in the pool has a steady speed of 1.36 m/s, and the slowest swimmer has a steady speed of 1.24 m/s. What is the time interval between the finishes of the fastest and the slowest swimmers? Express your answer in minutes to three significant figures. I IVO AED ? At: min Review | Constants A bicycle race on a velodrome has a total length of Part A 25.0 km. The race leader rides at a constant speed of 45.0 km/h. The slowest bicyclist has a steady speed of 41.0 km/h. Determine the distance from the slowest bicyclist to the finish line at the moment of the leader's finish. Express your answer in kilometers to three significant figures. DAL AED Ad= km Review | Constants | Periodic Table In college softball, the distance from the pitcher's Part A mound to the batter is 43 feet. If the ball leaves the bat at 90 mph , how much time elapses between the hit and the ball reaching the pitcher? Express your answer with the appropriate units. Value Units Part A Richard is driving home to visit his parents. 150 mi of the trip are on the interstate highway where the speed limit is 65 mph . Normally Richard drives at the speed limit, but today he is running How many minutes does he save? late and decides to take his chances by driving at Express your answer in minutes to two significant figures. 71 mph . VO AEd At = min Part A (Figure 1) shows actual data from Usain Bolt's 2009 world-record run in the 100 m sprint. From this graph, estimate his top speed in m/s. Select the correct answer. 0 9 m/s O 12 m/s 16 m/s 14 m/s Figure Submit Request Answer x (m) Part B 100 80- 60- From this graph, estimate his top speed in mph. Select the correct answer. 40 O 27 mph 20- 1 (s) O 31 mph 2 6 10 36 mph O 20 mph