Energy Practice Test Answers

1) b

2) d

3) b

4) c

5) d

6) c

7) a

a

9) a

10) c

11)c

12) a

13) b

14) d

15) a

16) Page 260 diagram + energy conversions

17) Almost all turn a turbine with mechanical energy which transfers its ME to the generator which turns it into electrical energy.  The only difference is how they turn the turbine.  Some convert chemical potential energy into heat to boil water to make steam which turns the turbine, and some just directly turn the turbine.

18) a) 1911J b) 0J c) 1911J d) 1711J e) 0 J f) 1711J

19) GPE, 2,245J or 2200 in sd

20) v= 20.296m/s (20m/s in sd) 15 mi/hr is 6.76 m/s, so no you can’t save the baby

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