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Business, 15.02.2020 04:02 michaelmatonis

A javelin thrower standing at rest holds the center of the javelin behind her head, then accelerates it through a distance of 70 cm as she throws. She releases the javelin 2.0 m above the ground traveling at an angle of 30 ∘ above the horizontal. Top-rated javelin throwers do throw at about a 30 ∘ angle, not the 45 ∘ you might have expected, because the biomechanics of the arm allow them to throw the javelin much faster at 30 ∘ than they would be able to at 45 ∘ . In this throw, the javelin hits the ground 50 m away.

What was the acceleration of the javelin during the throw? Assume that it has a constant acceleration.

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A javelin thrower standing at rest holds the center of the javelin behind her head, then accelerates...
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