A 2.0-kg block travels around a 0.50-m radius circle with anangular speed of 12 rad/s. the circle is parallel to the xy planeand is centered on the z axis, a distance of 0.75 from the origin. the z component of the angular momentum around the origin is:. a) 6.0 kgm2/s
b)9.0 kg m2/s
c)11 kgm2/sd)14 kgm2/s
e)20 kgm2/s

Select all the correct answers. which changes will increase the rate of reaction during combustion? decreasing the area of contact between the reactants adding more oxygen to the reaction removing heat from the reaction changing the reactants from solid form to powdered form lowering the exposure of the reactants to air