A uniform plank of length 5.0 m and weight 225 N rests horizontally on two supports

**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

Aforce of 8,480 n is applied to a cart to accelerate it at a rate of 26.5 m/s2. what is the mass of the cart? 865 kg 320 kg 12.1 kg 3.12 kg

Steel water aluminum think about the three words listed here. which word could be added as the title of this list of words to tell how these words are related? a) conductors b) heat c) insulators d) metals