2 A solid plastic sphere falls towards the Earth.
Fig. 1.1 is the speed-time graph of the fall up to the point where the sphere hits the Earth's
surface.
140
120-
speed
m/s
100
80
60
40
20

If a balloon is taken outside on a very cold day, what will occur?

**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

Ascientific blank must be testable and capable of being proven false?