A platinum cylinder has a mass of 1.000 kg, a diameter of 3.90 cm, and a height of 3.90 cm. What is the volume of the cylinder in cubic centimeters? The volume of a cylinder equals pie(d)^2h/4, where pie is 3.14, d is diameter, and h is the height.

Does the energy in a solid increase or decrease when changing to a liquid?

If you chip a tooth, most likely you will go to the dentist to have the missing material filled in. currently the material used to fill in teeth is a polymer that is flexible when put in, yet is hardened to the strength of a tooth after irradiation with blue light at a wavelength of 461 nm. what is the energy in joules for a photon of light at this wavelength?

There is one girl i like and i don't know how to tell her that, i have a feeling she knows but if she doesn't i don't want to make a fool out of myself how is one way to boost my confidence on asking her out