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1. It takes you 10 min to walk with an average velocity of 2 m/s to The North from The Grocery Shop to your house. What is your displacement?
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- 1. It takes you 10 min to walk with an average velocity of 2 m/s to The North from The Grocery Shop to your house. What is your displacement?1. A bus moves 150 m due North, then 100 m due South. What are the bus total distance and displacement?1. Leslie’s cat walks 4 meters east, 3 meters south, 2 meters west, and 9 meters north. What is the cat’s distance and displacement at the end of this walk? 2. Yesenia is driving her car north. In a period of 12.0 minutes, she covers a distance of 17.6 km. What is Yesenia’s average velocity in meters per second?
- Full formula Correct Correct Correct values answer, metric units inserted into rounded to the formula two decimal from the places word problem1. A bus moves 150 m due North, then 100 m due South. What are the bus total distance and displacement? Using speed and velocity2. A ball is shot vertically into the air at a velocity of 60 m/s. After 4 seconds, another ball is shot vertically into the air. a. Determine the time that the first ball has traveled in order to meet the second ball 120 m from the ground. b. Determine the time that the second ball has traveled in order to meet the first ball 120 m from the ground. c. What initial velocity must the second ball have in order to meet the first ball 120 m from the ground?
- 1. You are driving at 8.00 m/s south. You accelerate uniformly at 1.10 m/s? north for 5.00 seconds. How fast are you going at the end of the 5.00 seconds? What is your displacement?2. A California fox can run at a top velocity of 10 m/s. How long would it take a California fox to run 75 meters at top speeds?t=d/v%3D80M / 8m/s=10s 3. Alondra leaves her house at 10:30 to go jogging. She runs a half marathon (13.1 miles) and returns home at 1:00 pm. What was Alondra's average velocity for the trip? v=d/t t=2.5 v=d/t%3D13.1mi/2.5hr=5.24mi/hr 4. Alondra leaves her house at 10:30 to go jogging. She runs 12.5 and returns home at 1:00 pm. What was Alondra's average velocity for the trip?v=Dd/t t=2.5 5. Spongebob Squarepants is a surprisingly fast swimmer. Spongbob can swim at a velocity of 8.3 m/s. How much time would it take Spongebob to swim 1600 meters (about one13. 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
- 8. Instantaneous velocity. A bird is flying due east. Its distance from a tall building is given by x(t) = 28.0m + (12.4m/s)t(0.0450m/s³)t3 . What is the instantaneous velocity at t = 8.0s. Derivatives: if e is constant and n is an integer (1,2,3,4,5,6...): d dt d c=0 =c+n=t"-14. A car accelerates on a straight road from rest to 88 km/h in 6.5 s. What is the magnitude of its average acceleration? Your final units should be m/s.George walks to a friend’s house. He walks 750 meters North, then realizes he walked too far. He turns around and walks 250 meters South. The entire walk takes him 13 seconds. What is his speed per second? What is his velocity in meters per second? I know the answer for the second one, velocity in meters per second is 38.46 m/s. But I'm really confused because since velocity = displacement/time. Displacement = final position - initial position. How can it equal 38.46 m/s since it should be 250 - 750 / t, not 750 - 250 / t? Please show the formula you use and explain it in an easy to understand way.