At 20.00° c, the density of copper is 8.900 g/cm³. if a section of copper pipe displaces 285.0 milliliters of water when dropped in a displacement tank, what is the mass of the pipe? a. 0.0310 gb. 32.00 gc. 320.0 gd. 2537 g

The dissociation energy of a molecule is the energy required tobreak apart the molecule into its separate atoms. the dissociationenergy for a particular molecule is 5.48 x 10-18 j.suppose that this energy is provided by a single photon. determinethe (a) wavelength and (b) frequency of the photon

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

An object moves from the position +34m to the position -15m in 15 seconds. what is it's total displacement? what is it's average velocity?