3-2.Motion in Plane
medium

કણ માટે પ્રક્ષીપ ગતિનુ સમીકરણ $y = 16x - \frac{{5{x^2}}}{4}$, તો અવધિ $R$ નુ મુલ્ય ........ $m$ થશે.

A

$16 $

B

$8$

C

$3.2 $

D

$12.8$

Solution

$y = x\tan \theta \left[ {1 – \frac{x}{R}} \right]$

$y = 16x – \frac{{5{x^2}}}{4}$

$y = 16x\left[ {1 – \frac{x}{{64/5}}} \right]$

$R = \frac{{64}}{5} =12.8 m.$

Standard 11
Physics

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