Vector a⃗ has magnitude 10.0 m and vector b⃗ has magnitude 11.0 m . the scalar product a⃗ ⋅b⃗ is 72.0 m2 .

Under the action of a constant force an object accelerates at 7.8 m/s2. what will the acceleration be if (a) the force is halved? (b) the object's mass is halved? (c) the force and the object's mass are both halved? (d) the force is halved and the object's mass is doubled?

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

Amaterial that provides resistance to the flow of electric current is called a(an) (1 points)