A projectile fired with initial velocity u at some angle - has a range R- If the initial velocity be doubled at the same angle of projection- then the range will be

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Standard XI

Physics

Range

A projectile ...

Question

A projectile fired with initial velocity u at some angle $θ$ has a range R. If the initial velocity be doubled at the same angle of projection, then the range will be

$2 R$

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$\frac{R}{2}$

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$R$

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$4 R$

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Solution

The correct option is D
$4 R$

$R = \frac{u^{2} s i n 2 θ}{g} ∴ R \propto u^{2}$ . If initial velocity be doubled then range will become four times.

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A projectile fired with initial velocity u at some angle θ has a range R. If the initial velocity be doubled at the same angle of projection, then the range will be

The correct option is D 4R R=u2sin 2θg ∴ R∝u2. If initial velocity be doubled then range will become four times.

A projectile fired with initial velocity u at some angle $θ$ has a range R. If the initial velocity be doubled at the same angle of projection, then the range will be

The correct option is D
$4 R$

$R = \frac{u^{2} s i n 2 θ}{g} ∴ R \propto u^{2}$ . If initial velocity be doubled then range will become four times.