nandKhadd3acehtrizz nandKhadd3acehtrizz

26-11-2016
Physics

contestada

A block accelerates at 3.7 m/s2 down a plane
inclined at an angle 27.0. Find μk between the block and the in-
clined plane. The acceleration of gravity is
9.81 m/s2 .

Respuesta :

scme1702 scme1702

30-11-2016

The net force on the block is:
Fnet = Weight along incline - friction
ma = mgsin(∅) - μkmg
ma = mg(sin(∅) - μk)
μk = sin(27) - 3.7/9.8
μk = 0.076

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