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Q1. A cord of length 1.0m is fixed at both ends. Its mass per unit length is 1.2g/m and the tension is 11N. What is the frequency of fundamental oscillation?

Q2. A 2.0kg mass rests on a frictionless wedge that has an acceleration of 15 m/s2 to the right. The mass remains stationary relative to the wedge, moving neither higher nor lower. (a) What is an angle of inclination, θ, of wedge? (b) What is the magnitude of the normal force exerted on the mass by the incline? (c) What would happen if the wedge were given a greater acceleration? (For (c) possible answers listed are: a) the block would slide up the wedge. b) The block would remain at the identical location on the wedge. Or c)The block would slide down the wedge.)

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