As the sun shines on a 1500 kg concrete slab the slab absorbs 3.4 kJ of energy. What will be the increase in temperature as this occurss

Ameter stick is pivoted at the 0.50-m line. a 3.0-kg object is hung from the 0.15-m line. where should a 5.0-kg object be hung to achieve equilibrium (the meter stick oriented horizontal and motionless)?

An object's buoyant force and weight mean the same thing.a. trueb. false

Examine the drawing of a molecule. each ring represents an atom of nitrogen (n). what’s the chemical formula of this substance?