Qualitative methods are useful for making an estimate of .

Contrast of particles

Refractive index value

Polarized filters

Florescent fragments

The force needed to overcome static friction is usually less than that needed to overcome kinetic friction.true or false?

Forms of meditation hail from which traditions a ) eastern traditions b ) western traditions c ) eastern and western traditions d ) neither eastern nor western traditions

Whithin which type of system is neither the total mass nor the total energy conserved ? a. open b. connected c. isolated d. closed