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एक गोला एक तोप द्वारा u वेग से क्षैतिज से `theta` कोण पर R दूरी पर एक पहाड़ी की ओर देगा जाता है | पहाड़ी की तली से कितनी ऊँचाई पर गोला टकरायेगा ?
A. `R sin theta -(1)/(2) (gR^(2))/(u^(2) sin^(2) theta)`
B. ` cos theta -(1)/(2) (gR^(2))/(u^(2) cos^(2) theta)`
C. `R tan theta -(1)/(2)(gR^(2))/(u^(2) cos^(2) theta)`
D. ` R tan theta -(1)/(2) (gR^(2))/(u^(2) sin^(2) theta)`.

1 Answer

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Correct Answer - C
`t = R//u cos theta` तथा `h = ( u sin theta)t - (1)/(2) gt^(2).`

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