What is the approximate absolute brightness and temperature of the dwarf star labeled A What is the approximate absolute brightness and temperature of the main sequence star labeled B?
What is the approximate absolute brightness and temperature of the giant star labeled C?
What type of star has an absolute brightness of 5 and a surface temperature less than 2,500 °C?

The velocity of car is 80.0 miles per hour. what is the velocity of car in meters per second? (1 km -0.621 miles) m/s

Ihave a density of 1.61g/cm^3 and a mass of 28g. find the missing value

Aball thrown by ginger is moving upward through the air. diagram a shows a box with a downward arrow. diagram b shows a box with an upward arrow. diagram c shows a box with a downward and upward arrow equal in size. diagram d shows a box with a downward and upward arrow with the downward arrow larger in size. which force diagram represents the forces on the ball? you may neglect the effects of air resistance.