How far does a roller coaster travel if it accelerates at 2.83 m/s from an initial velocity of 3.19 m/s for 12.0 s? 55.3 m
72.2 m
446 m
242 m

**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

Give one example to show that when substances are mixed, it may result in a chemical or a physical change depending on the conditions.

Amajor difference radio waves, visible light, and gamma rays is the of the photons, which results in different photon frequencies and wavelengths