Halexanecrainolind Halexanecrainolind

04-10-2016
Physics

contestada

A ball initially at rest rolls down a hill and has an acceleration of 3.3 m/s2. if it accelerates for 7.5 s, how far will it move during this time?

Respuesta :

Thakura Thakura

09-10-2016

(-9.8gravity)^2-(3.3)^2=b=9.22
v=9.22(7.5s)=69.525
x=vi*T
=521.43

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