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  • A bullet is fired from a gun at the speed of  <img alt="280 \mathrm{~m} \mathrm{~s}^{-1}" src="https://entrancecorner.oncodecogs.com/gif.latex?280%20%5Cmathrm%7B%7Em%7D%20%5Cmathrm%7B%7Es%7D%5

A bullet is fired from a gun at the speed of  280 \mathrm{~m} \mathrm{~s}^{-1} in the direction  30^{\circ} above the horizontal. The maximum height attained by the bullet is \left(g=9.8 \mathrm{~m} \mathrm{~s}^{-2}, \sin 30^{\circ}=0.5\right):

Option: 1

\mathrm{2800\, m}


Option: 2

\mathrm{2000\, m}


Option: 3

\mathrm{1000\, m}


Option: 4

\mathrm{3000\, m}


Answers (1)

best_answer

\begin{aligned} & \mathrm{H}=\frac{\mathrm{u}^2 \sin ^2 \theta}{2 \mathrm{~g}} \\ & \mathrm{u}=280 \mathrm{~m} / \mathrm{s}, \sin 30^{\circ}=0.5 \\ & \mathrm{~g}=9.8 \mathrm{~m} / \mathrm{s}^2 \\ & \mathrm{H}=1000 \mathrm{~m} \end{aligned}

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Divya Prakash Singh

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