Particle moving in an XY direction

[Saba Gaad]

The Position of a particle moving in an XY direction is given by r={(2)t^3-(5)t }i + { (6)-(7t^4) }j. Calculate
(a) r
(b) v
(c) a
when t=2 sec.

 

[Hootenanny]

The Position of a particle moving in an XY direction is given by r={(2)t^3-(5)t }i + { (6)-(7t^4) }j. Calculate
(a) r
(b) v
(c) a
when t=2 sec.

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