assignments or grades Get access now 4. 2/3 points | Previous Answers SerPSE9 2.

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assignments or grades Get access now 4. 2/3 points | Previous Answers SerPSE9 2.P.006 y Notes Ask Your Teache The position of a particle moving along the x axis varies in time according to the expression x and t is in seconds. Evaluate its position at the following times. 4t2, where x is in meters (a) t = 2.40 s 23 (b) t-2.40 s + t (c) Evaluate the limit of x/At as At approaches zero to find the velocity at t 19 2.40 s Show all th ^ Fall 2017 Syllabus docx ^ Fall 2017Syllabus-docx Fall 2017Syllabus docx ^ Fall 2017Syllabus, docx ^ e ^ 01-worked exam..pptx

Explanation / Answer

(a) at t=2.4sec

x=4(2.4)^2

23m

(b)At t=2.4+Dr

t=4(2.4+dt)^2

=4(5.76+dt^2+4.8dt)

=23.04+4dt^2+19.2dt

(c)dx/dt=8t

At t=2.4 sec

dx/dt=8(2.4)= 19.2m/s

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