Ima Scarred (m = 56.2 kg) is traveling at a speed of 12.8 m/s at the top of a 19.5 m high roller coaster loop.
Assume there is no friction nor air resistance. If no
energy is lost or gained, then what will be Ima
Scaarred's total mechanical energy at the top of the
loop? (Round to 2 decimal places)

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

Two conductors, a and b, are each in the shape of a tetrahedron. but of different sizes. they are charged in the following manner: 1. tetrahedron a is charged from an electrostatic generator to charge q. 2. tetrahedron a is briefly touched to tetrahedron b. 3. steps 1 and 2 are repeated until the charge on tetrahedron b reaches a maximum value. if the charge on tetrahedron b was q/4 after the first time it touched tetrahedron a. what is the final charge qbmax on tetrahedron b?

Heterogeneous mixture with larger particles that never settle is