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Hindi
3-2.Motion in Plane
medium

દડાને મહત્તમ $100\,m$ દૂર સુધી ફેંકી શકાય છે.તો મહત્તમ ........ $m$ ઊંચાઇ સુધી ફેકી શકાય.

A

$100$

B

$80$

C

$60$

D

$50 $

Solution

${R_{\max }} = \frac{{{u^2}}}{g} = 100\,m$ ( $\theta = 45^\circ $)

$\therefore \,{u^2} = 100 \times 10 = 1000$

${H_{\max }} = \frac{{{u^2}}}{{2g}} \,= \frac{{1000}}{{2 \times 10}} \,= 50\,meter$ ( $\theta = 90^\circ $)

Standard 11
Physics

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