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That helps, and thanks haha

Okay it gives the structure for alanine: ------CH3 H2N -- C -- COOH -------H Then it says: Give the systematic name for alanine. I don't know how to name amino acids, so can someone tell me how to? Thanks.

A conical pendulum consists of a bob of mass 0.3kg attached to a firm string of length 0.67m. The bob rotates in a circle of radius 0.36m, vertically below the point of suspension. Calculate: i) the linear speed of the bob ii) the period of rotation of the bob iii) the tension in the string Please help!!!