Help the question is “how could you carry out an investigation to prove that some wavelengths of light refracted more than others?”

What is the coefficient of kinetic friction μk between the block and the tabletop?

Can you match these to the correct definition

Consider two regions of space containing a static electric field, region a and region b. in region a the equipotential lines are more closely spaced than those in region b. what can be said about the relative strength of the electric field in the two regions? a) the electric field in region a is stronger th