ks: 32 ecific Aim: 1,2,3 Skills : 1,2,3,5,7,11,12,13,14 A. Aim: To investigate factors that cause rusting B. Formulate an investigative question for this practical investigation. Make sur your question is testable. (2) C. Formulate a hypothesis for this practical investigation (2) D. Identify the following variables : Dependent and Independent (2) E. You need:​

Three different objects, all with different masses, are initially at rest at the bottom of a set of steps. each step is of uniform height . the mass of each object is a multiple of the base mass : object 1 has mass 4..00m , object 2 has mass 1..96m , and object 3 has mass . when the objects are at the bottom of the steps, define the total gravitational potential energy of the three-object system to be zero. if the objects are then relocated as shown, what is the new total potential energy of the system? each answer requires the numerical coefficient to an algebraic expression. each algebraic expression is given using some combination of the variables , , and , where is the acceleration due to gravity. enter only the numerical coefficient. (example: if the answer is 1..23mgd , just enter 1.23)

Two objects of different mass start from rest, are pulled by the same magnitude net force, and are moved through the same distance. the work done on object 1 is 900 j. after the force has pulled each object, object 1 moves twice as fast as object 2. how much work is done on object 2?

The substances that are necessary for producing of certain hormones and that store and transport vitamins