Physics, asked by keshavgeenguuu, 8 months ago

the displacement of particle moving along x-axis is given by X= 20t³+5t²+2t² .calculate the instantaneous velocity at time=3 sec

Answers

Answered by dsk75
1

instantaneous displacement when time is 3sec is derivative of 20t³+7t²

60t²+14t.

=>60(3)²+14(3)

=>540+54=594

instantaneous velocity = 594/3 = 198

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