Problem

$1$ $1t$
$1f\dfrac {d^{2}r} {dt^{2}}=t,$ then show that $r\times \dfrac {d\pi } {dt}$ is a constant vector.

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Solution

Qanda teacher - udaysingh

clear sir

all the best

Student

This is a math's question in my book.... you apply physics in it.... is this the one and only process??

Qanda teacher - udaysingh

yes its math no phy enginering mathamatics

in this question also use some concept phy dear

than finally proved

Student

Ok... thanks for your contribution... ❤️

Qanda teacher - udaysingh

blcm sir

plz evalute ans

Student

From where??

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