Calculate acceleration if net force acting on an object is 140N and mass
is 15 kg

Explain the consequences of this addiction to the brain tissue

Astone weighing 1.5 kilograms is resting on a rock at a height of 20 meters above the ground. the stone rolls down 10 meters and comes to rest on a patch of moss. the gravitational potential energy of the stone on the moss is joules.

How to tell if a molecule is polar or nonpolar with electronegativity