In an ideal spherical mirror with a radius of curvature of 200, parallel rays should pass through a focal point 100 from the mirror. Why do the rays in the simulation not all pass though this point

Achlorine atom has 17 protons and 18 neutrons. what is its mass number? what is its atomic number?

Explain what happens at the saturation point when adding salt to water at room temperature.

Choose a realistic problem for which these are the correct freebody diagrams. be sure that the answer that the problem requests is consistent with the diagrams shown. choose a realistic problem for which these are the correct freebody diagrams. be sure that the answer that the problem requests is consistent with the diagrams shown. a 1.0 kg block is placed on top of a 2.0 kg block. a horizontal rope pulls the 2.0 kg block across a frictionless floor with a force of 21.0 n. the coefficient between the two blocks is 0.75. does the 1.0 kg block on top slide?