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1. Whats is the distance traveled?
2. What is the magnitude of the acceleration?
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- Use the position vs. time graph shown in figure to the right to answer the following questions. On the plot, the x-intervals are Δx = 9 m and the time intervals are Δt = 17 s. A: What is the velocity of segment 1? B: What is the velocity of segment 2? c: What is the velocity of segment 3? D: What is the velocity of segment 4?An object is thrown in the air with vertical velocity of 20 ft/s and horizontal velocity of 15 ft/s. The object’s height can be described by the equation y (t) = −16t2+20t while the object moves horizontally with constant velocity 15 ft/s. Write parametric equations for the object’s position, and then eliminate time to write height as a function of horizontal position. How did you arrive at your conclusion(s) for this problem? Use the graphical equation editor if necessary to express your answer.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? Please show the formula you use and explain it in an easy to understand way.
- In each table below, the motion is described by a position (x)-vs-time graph, a velocity (v)-vs-time graph, a verbal description or a motion map. The other three representations have been left blank. Complete the missing representations. Be sure to include each of the following in your verbal description: starting position, direction moved, type of motion, relative speed.calculate the resultant velocity and use graphical and mathematical method. express answers in m/s and in correct number of significant figure scale for graphical method: 50 km/h : 1 inMary Lou walked from her house to the library in 30 minutes. After staying at the library for about 45 minutes, she ran back to her house in about half the time it took her to get to the library. Which graph best represents Mary Lou’s motion?
- explain the basics of kinematics and how to use their equationsHaley is driving down a straight highway at 67 mph. A construction sign warns that the speed limit will drop to 55 mph in 0.50 mi. What constant acceleration (in m/s2) will bring Haley to this lower speed in the distance available? Express your answer in meters per second squared.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. a. What is the instantaneous velocity of the particle at t = 11 s? __ m/s b. What is the average velocity of the particle from t = 17 s to t = 18 s? __ m/s
- An individual at the edge of a cliff drops a ball meanwhile another human at the base of a cliff throws a ball straight upward. When the 2 balls meet, the one thrown from the base of the cliff is descending. Sketch the y versus t graph showing the motion of the balls please.A rider on a water slide goes through three different kinds of motion, as illustrated is shown. Use the data and details from the figure to answer the following question. Suppose the acceleration during the second section of the motion is too large to be comfortable for riders. What change could be made to decrease the acceleration during this section?A. Reduce the radius of the circular segment.B. Increase the radius of the circular segment.C. Increase the angle of the ramp.D. Increase the length of the ramp.Using the concept of kinematic graphing, draw the displacement, velocity and acceleration curves for a condition where a track cyclist is undergoing constant horizontal acceleration at 2 m/s2 for the first 4 seconds of a race. Show calculations for displacement and velocity at 1, 2, 3 and 4 seconds and include these specific time points in your three plots. Assume the cyclist is at a stand still at time = 0 and his initial displacement and velocity are both equal to 0.