A certain very bright star has an effective surface temperature of 20 000 K. Assuming that it radiates as a blackbody, what is the wavelength at which () is maximum?

A car is traveling at 15 m/s. It goes down a hill where it accelerates at 3 m/s2 for 4 s. How fast is it going at the bottom of the hill?

Which of the following types of graphs is best for seeing a cumulative pattern in the data?

When white light goes into a blue filter, blue light comes out. how did the blue get into the light?

When clouds form, what does water vapor turn into?

Turning a magnet very quickley would be best used to create a. radition b. light waves c. an electic current d. a covertioncurrent

What career has to do with one of these listed ... fossil fuels, nuclear energy, biomass, hydropower, solar energy, geothermal energy, or wind energy.

An object is suspended from the ceiling with two wires that make an angle of 40° with the ceiling. The weight of the body is 150 N. What is the tension in each wire? 41.6 newtons 82.3 newtons 150 newtons 117 newtons

What is the value of 9682 when rounded to three significant figures

Why do atoms move at different speeds depending on wether they are liquids or solids

What are the arrangement of resistors in series