**urgent** roberto plans to use two transformers to reduce a voltage of 120 v to 4 v. he uses a transformer that has 300 coils in the primary winding and 50 coils in the secondary winding. he has four other transformers, as listed in the table. which transformer should roberto use to have an ending voltage of 4 v? a- w b-xc- yd- z

From center station, a train departs every 30 minutes on the fast line and a train departs every 50 minutes on the state line. if two trains depart from center station at 8: 00 a.m., one on each of the two lines, what is the next time that two trains, one on each line, will depart at the same time?

Asmall block of mass 200 g starts at rest at a, slides tob where its speed q13. is v 8.0 m/s, then slides along the horizontal surface a distance 10 m before coming to rest at c. (see below.) (a) what is the work of friction along the curved surface? (b) what is the coefficient of kinetic friction along the horizontal surface? a 4.0 m b 10 m en

Diamond will scratch quartz. true or false