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- A student is staring idly out her dormitory window when she sees a water balloon fall past. If the balloon takes 0.16s to cross the 140-cm-high window, from what height above the top of the window was it dropped? Express your answer in meters.A car traveling 98 km/hkm/h is 250 mm behind a truck traveling 83 km/hkm/h . How long will it take the car to reach the truck? answer using two significant figures.How high (in ft.) will a ball rise if is tossed vertically upward with a speed of 100 ft/s? Hint: 1 inch = 2.54 cm.
- An athlete runs with velocity 12 km/h12 km/h for 44 minutes, 16 km/h16 km/h for the next 22 minutes, and 17 km/h17 km/h for other 66 minutes. Compute the total distance traveled.A world-class tennis player can serve a tennis ball at 150 mi/hmi/h (about 67 m/sm/s ). The length of a tennis court is 78 ftft . Approximately how long does an opponent have to react from the instant the ball is served until the ball reaches the opponent?Convert the following: 1- 3h 22min .......... S 2- 2h 16min 15s .......... S 3- 4563 m .......... Km 4- 750 km/h ........ m/s
- A car is traveling at 50 mi/hmi/h down a highway. What magnitude of acceleration does it need to have to come to a complete stop in a distance of 200 ftft? Express your answer in miles per hour squared. What magnitude of acceleration does it need to stop in 200 ftft if it is traveling at 100 mi/hmi/h? Express your answer in miles per hour squared.Apply the necessary conversions to find: a) The speed in km/min equal to 78.0 mi/h b) The area in ft2 of a rectangle with sides 18.6 m and 3.82 m. c) The height in cm of a person who is 5 ft 7 in tall.The following data were taken on five cars traversing a 1.6-km highway. Car Time (minutes) A 1.9 B 1.2 C 1.8 D 1.1 E 1.9 Determine the traffic density, in vehicles per km. Express your answer in 2 decimal places.
- The Space Shuttle travels at a speed of about 6.23 x 103 m/s. The blink of an astronaut's eye lasts about 117 ms. How many football fields (length = 91.4 m) does the Space Shuttle cover in the blink of an eye?A car is traveling at 50 mi/h down a highway. What magnitude of acceleration does it need to have to come to a complete stop in a distance of 200 ftft? Express your answer in miles per hour squared.In an 8.00 kmkm race, one runner runs at a steady 11.2 km/hkm/h and another runs at 14.9 km/hkm/h. How far from the finish line is the slower runner when the faster runner finishes the race? Express your answer in kilometers to three significant figures.