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A particle is thrown from top of a house to get maximum range, 10m. If \( g = 10 \text{ms}^{-2} \) , what is the velocity of projection? A) \( 100…

Class 12 Mathematics · 2080 · Solved Question with Answer

A particle is thrown from top of a house to get maximum range, 10m. If \( g = 10 \text{ms}^{-2} \), what is the velocity of projection?

 A)\( 100 \text{ms}^{-1} \)

 B) \( 10 \text{ms}^{-1} \)

C)\( 5\sqrt{2} \text{ms}^{-1} \)

D) \( 5 \text{ms}^{-1} \)

  OR 

  The demand function for a particular commodity is y = 20 - 4x; where 'x' represents the quantity. What is the revenue function?

a) \( 20 - 4x^2 \)

b) \( -4x^2 + 20x \)

c)\( 20x + 4x^2 \)

d) \( 4x^2 + 20 \)

Solution

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