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- EXE A bus makes a trip according to the position-time graph shown in the drawing. What is the average velocity (magnitude and direction) of the bus during (a) segment A. (b) segment B. and (c) segment C? Express your answers in km/h. 50.0 (A) Number (by Number Number Pater m | +40.0 +30.0 +200 +100 Units Units 05 10 15/ 2.05 26 Time (A car's velocity is at 100 km/h going North [N] for 1.0 hour. The car continues to move for another 2.0 hours at 82 km/h South [S). Determine the car's: A trekker walks 5.0 km North [N] and then 8.0 km South [S] for 3.0 hours. Let's Appraise 1. Determine the trekker's: Average velocity а. b. Average speed 2. Total displacement a. b. Moving average velocity C. Total distance covered d. Moving average speed Plot a graph using the values given in the table of distance and time 3. Determine the moving average velocity during the first 5.0 seconds. а. t(s) d(m) 0.5 0.5 Determine the moving average velocity during the time interval of 2.0 to 13.0 seconds. b. 1.0 1.2 1.5 2.0 2.0 3.0 Determine the time if the 2.5 4.1 С. velocity is zero, 3.0 5.3 3.5 6.9 d. Determine the velocity for each given time: 4.0 8.7 4.5 10.7 i. 3.0 s 5.0 13.0 5.5 15.0 ii. 6.5 s 6.0 16.1 iii. 11.0 s 6.5 16.9 7.0 17.3 7.5 17.8 8.0 17.9 8.5 18.0 9.0 18.0 17.8 17.6 9.5 10.0 10.5 17.2 11.0 16.8 11.5 16.3 15.7 14.9 12.0 12.5…A person travels by car from one city to another with different constant speeds between pair of cities. She drives for 30 min at 80 km/hr, 12 min at 100 km/hr and 45 min at 40 km/h and spends 15 min eating lunch and buying gas a. Determine the average speed for the trip b. Determine the distance between the initial and final cities along the route. O 52.9 km/hr. 90 km O45 km/h, 110 km O78 km/h, 60 km
- A postman leaves the post office and drives 1.6 km in the north direction. He then drives in a direction 60.0° south of east for 5.9 km (see Figure) North 60° + East Post office What is his resultant displacement from the post office (in vector form)? O a. -3.51 mi+ 2.95 mj O b. 5.90 mi+ 1.60 mj O c. 2.95 mi+-3.51 mj O d.-1.35 mi+5.11 mj O e. None of the aboveWalang hulogan. A car is moving at a constant speed of 5.00 [m/s]. The driver sees the edge of the cliff 20.0 [m] ahead. What should the magnitude of the car's acceleration be so that the car stops before it falls over the cliff? Assume that the acceleration is constant. O a = 2.50 [m/s²] O a = 1.25 (m/s2] O a = 0.625 [m/s²] O a = 0.125 [m/s2] %3DA ball kicked from ground level at an initial velocity of 68 m/s and an angle θ with ground reaches a horizontal distance of 295 meters. What is the size of angle θ and what is time of flight of the ball?a. θ = 17.223⁰, t = 8.44 sb. θ = 19.372⁰, t = 4.6 sc. θ = 18.263⁰, t = 9.3 sd. θ = 16.273⁰, t = 7.3 s
- A stone is thrown vertically upward with a speed of 17.6 m/sm/s from the edge of a cliff 75.0 mm high. A.)How much later does it reach the bottom of the cliff? Express your answer to three significant figures and include the appropriate units. B.)What is its speed just before hitting? Express your answer to three significant figures and include the appropriate units. C.)What total distance did it travel? Express your answer to three significant figures and include the appropriate units.Mr. Brown takes a walk in the park. He first travels 600. m NW and then turns and walks 800. m @ 20.0° WoS. What is his overall displacement of his walk? Use the triangle method to solve this. Should you use the component method, I will award zero points. I know the answer, I just don’t know how to get it. Answer: 771 m @ 25.1° SoW Thanks!!13. You need to drive to a grocery store that is 1.0 mi west of your house on the same street on which you live. There are five traffic lights between your house and the store, and on your trip you reach all five of them just as they change to red. While you are moving, your average speed is 20 mi/h, but you wait 1 min at each light. What is your average speed? a. 6.6 mi/h b. 7.5 mi/h c. 12.4 mi/h d. 20 mi/h e. None of the above
- The velocity-time graph that describes the velocity of an object with time is given as in the figure below. if the values of a= 98.5, b=124.6 and c=57, Find the displacement made by the object in the first hour. v(km/h) b. a t(h) 0.5 1.0 1.5 2.0 Select one: A. 118.1 OB. 175.1 OC 398.4 OD. 139.6 OE 142.7 choiceYou shoot an arrow into the air. Two seconds later (2.00 s) the arrow has gone straight upward to a height of 32.0 m above its launch point. Part A What was the arrow's initial speed? η ΑΣφ. ? vo = m/s Submit Request Answer Part B How long did it take for the arrow to first reach a height of 16.0 m above its launch point? μV ΑΣφ. t = Submit Request AnswerStarting from a location with position vector rx = -19.5 m and r1y = 23.1 m, a rabbit hops around for 10.7 seconds with average velocity vav.x = -2.43 m/s and vav.y = 1.01 m/s. Find the components of the position vector of the rabbit's final location, r2x and r2.y. m r2,x m r2.y