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Assertion: When range of a projectile is...

Assertion: When range of a projectile is maximum , its angle of projection may be `45^(@) or 135^(@)`.
Reason: Whether `theta is 45^(@) or 135^(@)`, value of range remains the same, only the sign changes.

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(A) : When range of a projectile is maximum, its angle of projection may be 45^(@) or 135^(@) (R): Whether is 45^(@) or 135^(@) value of range remains the same, only the sign changes.

(A) : When range of a projectile is maximum, its angle of projection may be 45^(@) or 135^(@) (R): Whether is 45^(@) or 135^(@) value of range remains the same, only the sign changes.

Assertion: When theta = 45^(@) or 135^(@) , the value of R remains the same, only the sign changes. Reason: R= (u^(2)sin2theta)/(g)

Assertion When theta = 45^(@) or 135^(@) , the valueof R remains the same, only the sign changes. Reason R= (u^(2)sin2theta)/(g)

When angle of projection is …... Range of projectile will be maximum.

Show that the horizontal range is maximum when the angle of projection is 45^(@)