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03-07-2018
Physics

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A lion accelerates from rest at a rate of 4.2 m/s. How far has the lion gone after 4 seconds?

Respuesta :

03-07-2018

Use the formula for accelerated motion from rest:

Distance = (1/2) · (acceleration) · (time)²

Distance = (1/2) · (4.2 m/s²) · (4 s)²

Distance = (2.1 m/s²) · (16 s²)

Distance = (2.1 · 16) m

Distance = 33.6 meters

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