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Acceleration Expression
Which expression gives the acceleration of a 1kg mass on a frictionless inclined plane at 30o to the horizon, given that g = 9.8 m/s2?
A. a = 9.8 m/s2
B. a = cos 30o x 9.8 m/s2 = 8.5 m/s2
C. a = sin 30o x 9.8 m/s2 = 4.9 m/s2
D. a = tan 30o x 9.8 m/s2 = 5.7 m/s2
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