Question

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Solution

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$v(t)=dr/dt$

$=3.0i^−4.0tj^ $

$a(t)=dv(t)/dt$

$=−4.0j^ $

(b)

$v(2)=3.0i^−8.0j^ $

$v(2)=8.54m/s$

$∠v(2)=tan_{−1}(−8/3)=−69.44_{∘}withxaxis$

Video Explanation

Solve any question of Motion in a Straight Line with:-

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