Anuclear power plant operates at 68 % of its maximum theoretical (carnot) efficiency between temperatures of 680 ∘c and 400 ∘c. part a if the plant produces electric energy at the rate of 1.5 gw , how much exhaust heat is discharged per hour? express your answer using two significant figures.

While listening to operatic solos, musicians process the lyrics and the tunes in separate brain areas. this most clearly illustrates the functioning of different

When the force acting on an object points at least partially in the direction of the motion the work done is considered to be negative

Which best describes how fluids change as they travel through different portions of the convection currents? they change to solids at the outer portion of the convection currents. they change to solids at the inner portion of the convection currents. they become more dense at the outer portion of the convection currents. they become more dense at the inner portion of the convection currents