Section 1O 1. A girl walks 60. m due south, then 100. m due east, then 150. m due north. (a) What is her displacement from her original position? (b) What is the total distance walked by the girl? (c) In which direction should she walk to return to her starting point in the least amount of time? Express your answer in terms of the compass directions (north, south, east, and west) 623

Section 1O 1. A girl walks 60. m due south, then 100. m due east, then 150. m due north. (a) What is her displacement from her original position? (b) What is the total distance walked by the girl? (c) In which direction should she walk to return to her starting point in the least amount of time? Express your answer in terms of the compass directions (north, south, east, and west) 623

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter4: Motion In Two And Three Dimensions

Section: Chapter Questions

Problem 76P: A small plane flies at 200 km/h in still air. If the wind blows directly out of the west at 50 km/h,...

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A small plane flies at 200 km/h in still air. If the wind blows directly out of the west at 50 km/h, (a) in what direction must the pilot head her plane to move directly north across land and (b) how long does it take her to reach a point 300 km directly north of her starting point?
He heads east 3 miles, turns and walks 1.5 miles north, and finally turns and walks 1.5 miles weat. What is his displacement?
During her recent trip to the grocery store, Claire walked 14m,North to the end of an aisle. She then made a turn and walked 6m, 30o N of E. Finally, she made another turn and walked 8m, S. Determine the magnitude of Claire's resultant displacement and direction.
I took 2.28km and converted it to 2280 meters then divided by 3200 and ended up with .71m/s but it keeps saying that its incorrect. Im not sure where I keep messing up. John walks 1.80 kmkm north, then turns right and walks 1.40 kmkm east. His speed is 1.60 m/sm/sduring the entire stroll. What is the magnitude of his displacement, from beginning to end? (2.28) If Jane starts at the same time and place as John, but walks in a straight line to the endpoint of John's stroll, at what speed should she walk if she wants to arrive at the endpoint just when John does?
You found a teasure map and it said. Start at the well, go 100 m straight south, then 30 m, 40° north of west, then 25 m Straignt east, and finally 45 m, 75 degrees south of east. If the given displacements are named as A, B, C., and D respectively Wnat are tne X- ana y- Components of vector D? Seiect one A. 11.65 m-43 47 m B.11.65 m.-43 47 m C. 43 47 m, 1165 m d.43.47 m, 11 55 m
A biker travelled 270.0 meters 42degree N of E to point A, then 80.0 meters west to point B, and finally, 120.0 m northwest to reach point C. (a) How far and in what direction should he travel to go back to where he started? (Ans: 267.92 m, 82.32degree S of W) (b) From the starting point, how far and in what direction should he go to reach point B in a straight line? (Ans: 217.25 m, 56.26degree N of E
Dr. B takes her dog ada on a walk. they start out heading south for 0.75 miles. then they turn left 30 degrees and they continue to walk for another 11 mile. Finally they turn right 9o degrees and they walk 1.9 miles. The whole walk takes 45 minutes. What is the average speed of Dr.B and Ada on their walk? give your answer in m/s. What is the direction of the total displacement vector?
A hiker walks 4.66 m, E and 6.25 m, N. What is the direction of his resultant displacement?
A car travels 90 meters due north in 15 seconds. Then the car turns 32° west of north and travels 40 meters. What is the magnitude and direction of the car's resultant displacement? To answer this problem, what two methods will give us the accurate answer?
Suppose you went for a drive along a long, straight road that runs east-west. Let's define east to be the positive x direction. From your home, you drive east at 30 mi/hr to your friends house for 20 minutes, then at 48 mi/hr east for 10 minutes to the grocery store. Finally, you drive west at 60 mi/hr without stopping to get home. What is your displacement for the entire trip?
An athlete runs 2.76 km east, then turns 30 degrees south and runs another 0.85 km. What is the magnitude of his displacement?
A student walks 10.0 m east, 5.0 m at 30o north of east, and 6.0 m northwest, and 8.0 m west. how far has he traveled? what is the students displacement?