PLEASE HELP ASAP Two bullets have their masses of 3 g and 6 g respectively. both are fired with a speed of 40 m/s, which bullet has more kinetic energy? What is the ratio of their kinetic energies?

In 1980, alfa romeo introduced the first system to smooth a rough idle caused by ignition and camshaft timing changes.

Which of the following statements comparing electron microscopy and light microscopy is false? which of the following statements comparing electron microscopy and light microscopy is false? both the electron microscope and the light microscope use the same wavelengths for illumination. images produced by light microscopes can be in color, whereas electron microscope images are black and white unless they are artificially colored. the electron microscope has greater resolution than the light microscope. electron microscopes can allow examination of viruses and internal cell structures, whereas light microscopes are limited to objects that are 0.5 micrometers and larger. request answer

If you let go of the notebook after lifting it, will it move? how?