A0.0818 kg salt shaker on a rotating table feels an inward frictional force of 0.108 n when it is moving 0.333m/s. what is the radius of its motion? (unit=m)

Astone is dropped from a cliff and falls 9.44 meters. what is the speed of the stone when it reaches the ground? a. 13.6 m/sec b. 1.39 m/sec c. 185 m/sec d. 9.80 m/sec

Acar drives toward the right over the top of a hill, as shown below. which arrow represents the centripetal acceleration? w x y z

**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