Real-world efficiencies are generally very high, in the 90 percent range. Please select the best answer from the choices provided. T F

Which of the following is not a transverse wave? a) soundb) lightc) radiod) all of thesee) none of these

Suppose that three astronomical objects, 1, 2, and 3 are observed to lie on a line, and the distance from object 1 to object 3 is d. object 1 has four times the mass of object 3, and seven times the mass of object 2. find the distance between objects 1 and 2 for which the net force on object 2 is zero.

Hunter’s velocity was 4.5 m/s. at the end of his race, his velocity was the same. which best describes his movement? his movement stopped. his acceleration is zero. his time was constant. his acceleration was positive.