j7ade6allemar j7ade6allemar

23-11-2016
Physics

contestada

A projectile is fired straight upward at 173 m/s. how fast is it moving at the instant it reaches the top of its trajectory?

Respuesta :

23-11-2016

The top of the trajectory is the point where it changes from rising to falling. At that exact instant, its vertical speed is zero.

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