Aball has a mass of 140 g. what is the force needed to accelerate the ball at 25 m/s2?

Which of the following are not typically included in the periodic table? a. atomic mass b. element symbol c. isotopes d. number of electrons

In the first law of thermodynamics, triangle e=q-w, what does q stand for

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