Calculate the force to be applied to raise a 20kg block on an inclined plane with an angle of a 25°, at constant speed, if the coefficient of the kinetic friction is Uk= 0.25.

Positrons are spontaneously emitted from the nuclei of

Ihave a density of 1.61g/cm^3 and a mass of 28g. find the missing value

An ionic compound can conduct electricity when a it is dissolved in water b its crystals are ground into powder c it is in solid form d it is heated to just below its melting point