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- 3. A train moves slowly along a straight portion of track according to the graph of position versus time in the figure below. Find3. A bus route having seven schedule stops has the following number of passengers alighting and boarding the bus: Stop Alighting Boarding 1 0 20 2 3 5 3 5 7 4 6 3 Rectangular Snip 5 8 4 6 7 2 7 12 0 Passengers board and alight through the front door. Alighting time/passenger = 1.8 sec and boarding time/passenger = 3 sec. Compute the dwell time at each stop and the total dwell time. (Assume the clearance time = 5 sec).Part 2 - Solving: Observers stationed at two sections A-A and B-B, 200 m apart on a highway, record the arrival times of four vehicles as shown in the table. %3 Vehicle Section A-A Section B-B To + 7.6 sec To + 10.4 sec To + 15.1 sec I To + 23.4 sec If the total time of observation at A-A was 20 seconds, determine: (a) the time mean speed in A To + 4.2 sec To + 8.7 sec To + 13.7 seC B C KPH, (b) the space mean speed in KPH, (c) the flow at section A-A in veh/hr, (d) time headway in seconds, and (c) traffic density in veh/km. 5 points each.
- kindly answer immediatelyy, thankyousomuch -Problem ABCDE6. A student counted 50, 52, 53, 51, 53, and 51 paces in walking along a 45-m course laid out on a concrete pavement. The student took 768, 771, 770, 769, and 770 paces in walking an unknown distance AB. What is the the average pace? choices: a. 51.67, b. 51.69, c. 51.71, d. none of the above -If the azimuth is 7°, the compass quadrant bearing is choices: a. N 7° E, b. N 7°W, c. S 7° W, d. S 7° E5) A car laps a race track in a6 seconds. The speed a the car at each 24 second interval in recorded by using a radar gun and is given by prom the beginning of the lap, in Feet second, by that entries in the pollowing table. Time 24 48 72 Speed 12시 147 99 104 132 HOw long is the track?nents A subway train stops at two stations that are 2km apart The max acceleration and deceleration of the train are 2 m/s^2 and 16 m/s^2 respectively and the max allowable speed Is 20m/s. Which of the following gives the shortest possible time of travel between two station. (Hint Think carefully, same with our example problem.) ers nis
- A stream function is given by Ø-5x-6y. Calculate the velocity components and also magnitude and direction of resultant velocity at any point.For the given speed information below: Speed class 28-31.9 32-35.9 36-39.9 40-43.9 44-47.9 48-51.9 52-55.9 56-59.9 60-63.9 64-67.9 (mi/hr) Frequency 1 3 The 85th percentile speed is approximately.. 6 4 8 (mi/hr). 11 10 11 8 2PROBLEM 6: Four vehicles passing through the SLEX has the following observation. Determine the time mean speed. Vehicles Time of passing (sec) | Spot speed (kph) 1 1.5 55.4 2 6.0 56.8 3 8.0 53.6 4 12.00 48.9