jalinkelleyq jalinkelleyq

15-02-2017
Physics

contestada

a rock is dropped from a height of 80 m and is in free fall what is the velocity of as it reaches the ground 4.0 seconds later

Respuesta :

Brandon7716 Brandon7716

15-02-2017

Velocity = displacement (distance)/time

v=80m/4s

v=20m/s

velocity = 20 meters per second

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