Discussion questions:
1. now, think "outside the box." in other words, enlarge your thinking beyond the field of science. are there
other conservation laws that seem to appear in your life? perhaps whatever is conserved simply changes
form, just like einstein noticed. explain your choice.

What do you think car designers do if the damage caused by a crash test is too severe?

One object has a mass of 1 kg and another object has a mass of 3 kg. if the speeds are the same, which of the following is true about their kinetic energy?

**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