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- The motion of a cart can be represented by x (t) = (-2.5m/s) t – 10.0m. At what time does this cart cross the origin? It crosses the origin t = 4s after we start observing it %3D O It crosses the origin t = Os after we start observing it O I fit were moving the same way before we started observing it then it crossed the origin 4 seconds before we started counting.Hi I am in phyiscs I and it has the problem a runner ran the marathon (approx. 26.1) in 2 hours and 57 min. What was the average speed of the runner in m/s? I understand that I would have to divide the total distance by the total time, but I'm not sure how they changed the miles to meters. Please detalied steps of how to solve this so I can understand it. Thank you!The direction of the resultant displacement (North of East) = The prefixes according to their value in ascending (increasing) order are O a. Micro, milli, centi, kilo t of O b. Giga, mega, kilo, centi estion OC. Mega, giga, kilo, centi O d. Centi, giga, micro, milli In the graph given below, at the point C, the second derivative (d'y/dx² ) is At
- QUESTION 6 Supply what is asked with the correct integer values, i.e. no decimal places. Do not forget the negative sign (-) if needed. The position vs. time graph of a moving particle for a time interval of 23 seconds is shown below. Each square unit in the horizontal axis corresponds to one second, and each square unit in the vertical axis corresponds to one meter. 15 10 position (m) 10 15 20 time (s) Position vs. Time Graph What is the displacement of the particle for the entire 23 seconds? Ax = What is the distance traveled by the particle for the entire 23 seconds? What is the average speed of the particle from t = 0 s to t = 5 s? m/s What is the instantaneous velocity of the particle at t = 11 s? m/s What is the average velocity of the particle from t = 17 s to t = 18 s? m/sA toy rocket is shot straight upward from a launch pad of 1 m above ground level with an initial velocity of 24 m/sec.a. Write a model to express the height of the rocket s (in meters) above ground level.b. Find the time(s) at which the rocket is at a height of 20 m. Round to 1 decimal place.c. Find the time(s) at which the rocket is at a height of 40 mA dog moves from A to point B to point C thben back to B along the line shown in the figure. What is the dog's distance and displacement? Meters
- b. An ant is crawling along a yardstick that is pointed with the 0-inch mark to the east and the 36-inch mark to the west. It starts at the 8-inch mark, crawls to the 21-inch mark, then moves to the 18-inch mark. -What was the total distance the ant traveled? (in) -What was the total displacement of the ant? _____in to the a. west, b. east, c. no directionpua home Data Table: Time Distance 0.5 1.0 1.5 2.0 Between what times is Anna moving in the positive direction? Between what times is Anna moving in the negative direction? What does a change of slopes represent on a time/distance graph? The data table below represents a car running errands on Saturday morning. Graph the data and answer the questions about your graph. Time Distance O miles ino 0 S! 0.5 hours 3 miles 1.0 hours 3 miles 1.5 hours 9.5 miles 2.0 hours 2.5 hours 2.0 miles At what times is the car moving in the positive direction? How can you tell? At what times is the car moving in the negative direction? How can you tell? When the slope is zero (a straight line) what is happening to the car? Why? 4mi faster than the other. If they meet in 2 hours, Two buses leave towns 248 miles apart at the same time and travel toward each other. One bus travels 8 what is the rate of each bus? Note that the ALEKS granhing calculater can be used to make computations easier. mi Rate of the faster bus: ? Rate of the slower bus:
- A car initially at a parking lot accelerates at 0.3 meters per second squared continuously, then begins to decelerate to a full stop by -0.5 meters per second squared after 2 minutes. a.) Find the total distance that the car traveled. b.) Find the velocity of the car just before it begins decelerating.Question Details A ball is rolled at a velocity of 12 m/sec. After 36 seconds, it comes to a stop. What is the acceleration of the ball? Round your answer to the tenths place (one decimal place). Units for the answer should be m/s2 3:21 PM 2/10/202123. A canoeist starts from a dock and paddles to the end of a lake and back. This graph shows the canoeist's distance from the dock during this trip. a) How long did this trip take? Canoe Trip 70 b) How far is it to the end of the lake? 60 e) What does the flat portion of the graph represent? E 50 d) Was the canoeist travelling faster on the 40 way out or on the way back? 2.0 1,0 10 20 3.0 4.0 5.0 6.o Time (h) MacBook Air - F6 114 %23 24 & 3 7\ 8 T Y 0O K. B mmand command opt