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acid234
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Homework Statement
A block is sent sliding up a 50 degree ramp at an initial speed of 9m/s. The coefficient of kinetic friction between the ramp and the block is 0.51. Find the acceleration of the block.
Homework Equations
Fk = (Fn)uk
F=ma
The Attempt at a Solution
umgsin50 = ma
ugsin50 = a
0.51(-9.8)sin50 = a
a = -3.829
Which is far from the right answer.