zzfxd zzfxd
  • 12-10-2020
  • Physics
contestada

A ball starts from rest and rolls down a track 20 meters long in 3 seconds.
What is the ball's acceleration?

Respuesta :

pfellas
pfellas pfellas
  • 12-10-2020
acceleration = 4.44 m/s^2. The velocity after 3 seconds is 13.33 m/s and distance = 1/2 x 3 x 13.33 = 20m
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