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An object moves along a straight line. The position as a function of time is given...

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Physics

An object moves along a straight line. The position as afunction of time is given by the following
22 formula x(t)=5m+(2m/s)t–(0.6m/s)t^2. Please answer all of theparts, I will give a good rating**** :)


How long after starting does it take the object to pass theorigin?
At what time is the object located 4 m from the origin?
Sketch the following graphs: x(t), v(t), a(t).
Find the object’s initial acceleration.
At what time will the object come to rest?

Answer & Explanation Solved by verified expert
3.8 Ratings (689 Votes)
Given the expression for the position as a function oftimewhere distance is in meter and time is in second and the aboveparameters areAnd so without writing the units explicitly we writeSo when the object passes the origin we have xt 0ieSolving this quadratic equation for    See Answer
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