Which object will require the greatest amount of force to change its motion? O A. A 72 kg object moving 25 m/s
B. A 63 kg object moving 27 m/s
C. A 75 kg object moving 22 m/s
D. A 55 kg object moving 32 m/s

What occurs during a combustion reaction

**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

Ihave this 50 question test the layer of earth's atmosphere where atoms and molecules escape into space is referred to as the a) exosphere b) ionosphere. c) mesosphere d) thermosphere