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A projectile is fired at ?0=381.0 m/s at an angle of ?=67.5∘ , with respect to...

A projectile is fired at ?0=381.0 m/s at an angle of ?=67.5∘ , with respect to the horizontal. Assume that air friction will shorten the range by 29.1% . How far will the projectile travel in the horizontal direction, ? ?

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Answer #1

Range of projectile is given by

where

is angle with respect to horizontal (67.5)

is velocity of projectile with which it is fired (381 m/s)

is acceleration due to gravity (10 m/s2)

This is range without resistance. Range with resistance

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