A body can throw a stone up a maximum height of 10 cm The maximum horizontal distance that the boy can throw the same stone up to will be:-

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20 \sqrt{2} m

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10 \sqrt{2} m

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Solution

The correct option is A 40
$\begin{matrix} W e h a v e H_{max} = R_{max} \div 4 h_{max} = 10 S o, R_{m a z} = 40. H e n c e, o p t i o n A i s t h e c o r r e c t a n s w e r . \end{matrix}$

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A boy can throw a stone up to a maximum height of 10m .The maximum horizontal distance that the boy can throw the same stone up to will be

Ans:20

But I calculated it using R/H=4/tan(45)

Since maximum range I took tan45...The answer came out to be 40m ...COuld you please tell me what is wrong with the method I used...

50 m

H

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