A metal ball bearing with a circumference of 41. 7 mm weighs 10. 2 what is the density of the metal ball g/cm ( V of sphere = ( 4/3) nr3.

Lin yao looks at the back of a spoon. how should she describe her reflection? upside down and smaller upside down and larger right-side up and smaller right-side up and larger

Do you agree with scientist’s prediction about the warming of alaska and other polar regions?

If an athlete runs once around a track, back to the starting line, her average velocity is zero. true or false?