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1. a boy throws a javelin through a horizontal distance of 64 m. the javelin leaves the...

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Physics

1.a boy throws a javelin through a horizontal distance of 64 m. thejavelin leaves the hand 2.1 m above the ground.

a) find the horizontal and vertical components of thejavelin’s initial velocity. my teacher said to find the timebetween the distances, and to solve for it not with vo=sqt. 2gh butI’m confused how to solve for it.

b) write parametric equations descriving the position of theobject in the horizontal and vertical direction

c) with the derived functions, find out if the time of themotion would change if the javelin were thrown with speed threetimes as high as in the problem?

d.) how far would the javelin travel under the conditionsdescribed in (c)?
thank you for your help in advance :)

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