A detailed graph of position versus time is shown.  Part d. What is the average velocity during the time interval from 1.45 h to 4.6 in km/h? Part e. What is the average position during the interval from 0.15 h to 4.6 h in km?

4. A robotic vehicle is exploring the surface of Mars. The robot, which is represented as a point, has x - and y-coordinates that vary with time: x = (3 − 2t); y = (-t² + 4t³) where x and y are in meters and t is in seconds. a. Find the average velocity of the robot between t = 0s and t = 2s. b. Find the average acceleration of the robot between t = 0s and t = 2s. c. At what time the acceleration of the robot will be zero. a. Vavg= -21 + 14ĵ m/s b. davg = 22ĵ C. m s² 2 t = = = 0.083 s 24

The superhero, Sashinator, flies directly upwards for 100m in 1 second, then slows down and flies upward another 50 m for another second and grabs the supervillain, MadMaya and immediately reverses direction and flies downward for 100m in 1 second. A 250 200- 200 200 150 100 50 2. 3. 2. T 23 1. Which graph, A, B or C, shows their displacement over time? Explain your answer. m/s up m/s up D. loo 100 50 2. 5-50 -104 2. What was Sashinator's average speed during this story? Show your calculations. 3. Which graph, D, E or F shows their speed over time? Explain your answer 4. Which graph, D, E, or F shows their velocity over time? Explain your answer 5. How is the graph of distance related to the graph of speed? 6. How is the graph of displacement related to the graph of velocity?

An object moves in one dimension, and its velocity versus time is shown in the graph. Express your answers in m/s2. A. What is the average acceleration between the times 0 s and 20 s?  B. What is the average acceleration between the times 20 s and 50 s?  C. What is the average acceleration between the times 50 s and 70 s?  D. What is the average acceleration between the times 0 s and 100 s?

A cheetah uses a non-constant acceleration to go from 10 m/s to 25 m/s after 5 seconds.  Choose all the following statements that are correct.   Than The average acceleration is 3 m/s2.     We have enough information to find the distance traveled during this 5 seconds.     You can't determine the average acceleration because acceleration is not constant.     We have enough information to find the average velocity.

10. An object with an initial velocity of 1 m/s to the right is initially at x = 2 m. The objecť's acceleration is a = 2t³. a) Find an expression for the velocity of the object as a function of time, i.e. v(t). b) Find the position of the object as a function of time, i.e. x(t). c) What is the objecť's average velocity and average acceleration between t =1 and t=2 seconds?

A safety measure when driving cars is to leave a separation of "3 s" with respect to the next car. This rule has made it possible to avoid many accidents. a. If a car travels at 60 km / h, what distance (in meters) will it travel in 3 seconds? Assuming there is an accident 20 m from where you are, what acceleration must you have to bring the car to a complete stop before reaching the accident?b. Repeat part a considering a speed of 90 km / hc. Repeat part a considering a speed of 120 km / hd. Repeat part a considering a speed of 150 km / h