The position of a particle x (in meters) at a time t seconds is given by the relation r = 3t(i) – t^2(j) + 4(k) . Calculate the magnitude of velocity of the particle after 5 seconds

April 1, 2022

by Ezee_Notes

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Physics Problems

Question : The position of a particle x (in meters) at a time t seconds is given by the relation r = 3t(i) – t^2(j) + 4(k) . Calculate the magnitude of velocity of the particle after 5 seconds

(a) 3.55

(b) 5.03

(d) 10.44

Answer: The Right option is (d)

Solution :

The position of a particle x (in meters) at a time t seconds is given by the relation r = 3t(i) - t^2(j) + 4(k) . Calculate the magnitude of velocity of the particle after 5 seconds