Describe how you must move to produce each of the following 3 position versus time graphs. X X t t graph 1 graph 2 graph
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The slope of position time graph gives velocity (rate of change of position) i.e.
A straight line graph then represents a uniform velocity motion. (a horizontal line in x-t plot would mean body is at rest)
In the given x-t plots the slopes of the graphs change with time hence its varying velocity motion i.e. accelerated motion.
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- x (m) 100 50 t (s) 40 10 20 30 Gyge Pearson Ecton inc.pubting A graph of position versus time for a certain object moving along the x-axis is shown on the graph. a. Find the object's velocity in the time interval from 0 s to 20 s. S b. Find the object's velocity in the time interval from 30 s to 40 s.A sprinter reaches his maximum speed in 2.0 seconds from rest with constant acceleration. He then maintains that speed and finishes the 100 yards in the overall time of 9.67 seconds. Determine his maximum speed Vmax. t = 0 100 yd- t = 2.0 sec Answer: Vmax i t = 9.67 sec ft/secx(m) Matching a position vs time graph: Describe the motion pictured by this given x-vs-t graph Ht(s) 8 4
- The position versus time for a certain particle moving along the x-axis is shown in the figure.1. Plot the velocity versus time graph for the time intervals: a. 0 to 2 sb. 2 s to 6 sc. 6 s to 10 s 2. Plot the acceleration versus time graph for the same time intervals.At what time or times is the particle found at x = 20 m? t1 = 6s and t2 = 8s t1 = 4s and t2 = 12s t1 = 6s t1 = 10sA particle's acceleration is described by the function a = (10 -t) m/s², where t is in s. Its initial conditions are xo = 260 m and vox = 0 m/s at t = 0 s. Part A At what time is the velocity again zero? Express your answer with the appropriate units. t = Submit Part B Value x = Request Answer What is the particle's position at that time? Express your answer with the appropriate units. Units Value Units ?