For what type of object is the period-luminosity relation used for determining distances?

Science and technology are interdependent. advances in one lead to advances in the other. give an example of this phenomenon.

Time remainin52: 42the chart shows data for a moving object.which conclusion is best supported by the information inthe chart? time (s)velocity (m/s

What is the power rating of the lightbulb if 3.0 a flow through it when connected to a 15 v battery