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1. [-/1 Points] DETAILS SERCP11 1.3.P.002. MY NOTES ASK YOUR TEAC (a) Suppose that the displacement of an object is related to time according to the expression x = Bt . What are the dimensions of B? O L/T OVI T O T2 / L O L/T2 OL X T2 OL2 / L (b) A displacement is related to time as x = A sin(2aft), where A and f are constants. Find the dimensions of A. (Hint: A trigonometric function appearing in an equation must be dimensionless.) O T/L OL OT OLXT O L/T Need Help? Read It Submit Answer 2. [-/1 Points] DETAILS SERCP11 1.3.P.005