If a wave has a length of 1.2 m and a speed of 2000 m/s, what is the frequency?

Which units can be used to measure length or distance? check all that apply. gram meter kilometer liter inch

Occurs when an energy source transfers heat directly to another subject space; an example would be an object becoming warm by sitting in the sunshine

The seven sisters, seven stars located more than 400 light-years away in the taurus constellation can be seen here with venus and another constellation, orion. the seven stars stay grouped together but seem to move, like the planet venus. why do stars seem to move like planets in the night sky?