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Incorrect Question 19 0 /5 pts Two vectors and jj, are added together to form the vector C= A + B. The relationship between the magnitudes of these vectors is . en by: Cx = A cos 30 + B and Cy = -A sin 30. Which statement best describes the orientation of these vectors? points 30 above the negative x axis while j; points in the positive x direction. A points 30 below the positive x axis while B points in the positive x direction. points 30 above the positive x axis while j; points in the positive x direction. A points in the negative y direction while B points in the positive x direction. A points in the negative x direction while B points in the positive y direction.Incorrect Question 20 0 / 5 pts The figure shows the speed as a function of time for an object in free fall near the surface of the earth. 4 The object was dropped from rest in a long evacuated cylinder. Which one of the following statements best explains why the graph goes through the origin? The velocity of the object was constant. The object was dropped from rest. All v vs. t curves pass through the origin. The acceleration of the object was constant. The object was in a vacuum