Aspectroscope creates a spectrum, or array of colors, based on the light emitted by a star. how are
scientists able to use these colors to determine which elements the star contains?

If angle "a" is 25°, angle "b" is: a) equal to angle c b) less than angle c c) greater than angle c

Under normal conditions, describe how increasing the temperatures effects the solubility of a typical salt

Abumper car with a mass of 250 kg is traveling at a speed of 4 m/s. this bumper car collides and sticks to a second bumper car with a mass of 250 kg, which is initially at rest. what is the final speed of these two bumper cars after the collision, assuming they remain stuck together?