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- Tectonic plates are large segments of the Earth's crust that move slowly. Suppose that one such plate has an average speed of 3.21 cm/year. Hint a. What distance does it move in 1.71 s at this speed in nanometers? It moves a distance of nm. b. What is its speed in kilometers per million years? Its speed is km/million years.1. The boy walk 76 km east and run in the direction of 12 km north in 40 second. a. What is the boy's distance? b. What is the boy's displacement? c. What is the boy's speed? Formula speed distance/time d. What is the boy's velocity? Formula velocity displacement/timeYou and your mother travel from home to school to have your Covid-19 vaccination. From your house, you walk 400 meters East, then 300 meters North as shown in the map. Analyze the map and answer the questions that follow. 1. What was the total distance that you traveled from home to school? A. 250 meters B. 300 meters C. 400 meters D. 700 meters 2. What was your displacement upon reaching the vaccination site in school? A. 250 meters B. 250 meters Northeast C. 300 meters North D. 400 meters East 3. If you and your mother will walk on the same path to return home after the vaccination, what will happen to your distance and displacement? A. The distance and displacement will become zero. B. The distance and the displacement will become equal. C. The distance will double, and the displacement will become zero. D. The distance will become zero, and the displacement will double.
- a (m/s*) B. Acceleration-Time Graph 1. A sailboat is sailing in a straight line with a velocity of 10 m/s. Then at time 1= 0 s, a stiff wind blows causing the sailboat to accelerate as seen 3+ in the diagram below. What is the velocity of the sailboat after the wind has blown for 7 seconds? Show + →t(s) 3 4. 6. your solution and answer below. -1+ -2+ather Puffer... Home A B Assignments Current Time: 11:15:49 PM general.physics.rutgers.edu m/s OC Awards - Google Docs Practice Assignment C G duke ellington - Google... Homework Opening Ceremony Itiner..... Time Left: 1 days 0 hours 40 minutes R General Physics Log Out 2. At a track and field meet, the best long jump is measured as 8.50 m. The jumper took off at an angle of 38.0° to the horizontal. What was the initial speed of the er?IV. Evaluation A. Re-express the following descriptions of objects uniformly accelerating in one dimension in terms of mathematical variables. 1. A car is accelerating at 10 meters per second squared. 2. The initial velocity of an airplane at takeoff is 300 kilometers per hour. It climbs to 400 kilometers per hour in 60 seconds. 3. You want to determine the final velocity of runner who has an initial velocity of 8 meters per second. She is also accelerating at 2 meters per second squared. 4. You want to determine the acceleration of a bird flying initially at 20 meters per second and then at 40 meters per second. The bird travelled 15 meters from t = 0 seconds.
- What is your conclusion? Ps. Context and Answer is provided, I just need a conclusion.A. Carl (person 1) walks 100 m North and 300 m East 45 degrees NE. How many meters the distance traveled by Carl? How many meters is the displacement? B. If you calculated the displacement. Then what is the velocity? If carl (person 1) walks 400 m. In 3 minutes C. Both Carl and Kim (person 2) have walk the same distance, the same displacement and the same velocity If the Carl has mass of 50 kgs. And the kim has mass of 65 kgs. Which person has a greater momentum?1. If you walk 500 m due North and then 200 m due South,a. What is your total distance covered?b. What is your displacement? 2. A spacecraft traveling at 1200 m/s is uniformly accelerated at the rate of 150 m/s2 by burning itssecond stage rocket. If the rocket burns for 18 seconds, what is the final speed of the craft?
- An airplane is delivering food to a small island. It flies 100 m above the ground at a speed of 160 m/s. a. Sketch the situation showing the flight and the parcel. Draw a motion diagram for the parcel during its flight showing both horizontal and vertical componenets of the velocity along the parcel's trajectory in one diagram. b. Where should the parcel be releasedso it lands on the islandNeglect air resistance. c. Estimate whether you should release the parcel earlier or later if there is air resistance. Explain. You may include a motion diagram and a force diagram in your explanation. 0:48 amA car goes 78 m to the righty and then 22 m to the left. It makes this trip on 35 seconds. a. What is the displacement in meters? b. What is the total distance travelled in meters? c. What is the average velocity? d. What is the average speed in m/s?You start out by driving 138 miles south in 4 hours and 38 minutes, and then you stop and park for a while. Finally you drive another 56 miles south in 4 hours and 25 minutes. The average velocity for your entire trip was 17.15 miles per hour to the south. How much time did you spend parked? a. 1 hours 7 minutes b. 11 hours 18 minutes c. 2 hours 15 minutes d. 4 hours 31 minutes