Question

A particle is performing motion in a x-y plane such that it’s x and y coordinates are given as x=t^3+1 and y=t^2+2t-1 .
Then find direction of motion at t= 3 sec

Answer 1

Answer:

28î + 14ĵ

Explanation:

x = t³ + 1

y = t² + 2t -1

At t=3 sec,

x = 28

y = 14

=> 28î + 14ĵ