PHYS 165 FINAL EXAM SOLVED CORRECTLY TO SCORE A+
1. which statement best describes the scientific method? A systematic
process used
to find a solution to a
problem
2. can be thought of collectively as matter
objects in nature
3. a good hypotheses is one that is both and plausible and testable
4. when an increase in the independent variable direct proportion
causes the depended variable to increase
this is called an
5. which of the following best describes a theory an explanation for pat-
terns in nature that is
sup- ported by
scientific evi- dence
and verified mul-
tiple times by various
groups of
researchers; this is a
broader explana- tion
of larger portions of
nature
6. which of the following is a measurement of time? the second
7. which of the following is a measurement of the ampere
electric current?
8. which refers to the agreement of several precise
measure- ments among eachother?
1/
56
, PHYS 165 FINAL EXAM SOLVED CORRECTLY TO SCORE A+
9. how many sig figs are in 5,302,000? 4
10. how many sig figs are in 0.05021 kg? 4
2/
56
, PHYS 165 FINAL EXAM SOLVED CORRECTLY TO SCORE A+
11. how many sig figs are in 5.20x10^6 m? 3
12. classical physics is an excellent approximation as long matter must be
moving at
as three things are true. which of the following speeds less than about 1% of
state- ments is one of these three things? the speed of light
13. besides factors that are unique to the limitations of the measur-
situation, the
factors contributing to uncertainty in a measurement ing device, the
skill of the
include person making the
: mea- surement.
14. the mass of a block of wood is reported as 548 +/- 21g. 21g/548g x
100%=3.8321
What is the percent uncertainty? ---> 3.8%
15. the time for a drag race is 17.5 s +/- 8.1%. 17.5s x 8.1% = 1.4175 --->
what is the absolute uncertainty? 1.4s
16. convert 0.7km to meters 0.7km x
1000m/1km =
700m
17. convert 7200 mg to grams 7200mg x
1/1000mg = 7.2g
18. a person runs a race in 12,710s. how many minutes is 12,710s x
1min/60s=
this time? 211.8min
19. what do you get when you divide 42.0m by 15.0s? 42.0m / 15.0s=
2.80m/s
3/
56
, PHYS 165 FINAL EXAM SOLVED CORRECTLY TO SCORE A+
20. in an experiment, the factors that affect the independent: height of
time it takes a ball to fall are being tested. the drop
During one set of
trials, the height from which the ball is dropped is sys- dependent: tim
it takes to
tematically increased, and the resulting time fall
it takes the ball to fall is measured. The entire
time the same
4/
56
1. which statement best describes the scientific method? A systematic
process used
to find a solution to a
problem
2. can be thought of collectively as matter
objects in nature
3. a good hypotheses is one that is both and plausible and testable
4. when an increase in the independent variable direct proportion
causes the depended variable to increase
this is called an
5. which of the following best describes a theory an explanation for pat-
terns in nature that is
sup- ported by
scientific evi- dence
and verified mul-
tiple times by various
groups of
researchers; this is a
broader explana- tion
of larger portions of
nature
6. which of the following is a measurement of time? the second
7. which of the following is a measurement of the ampere
electric current?
8. which refers to the agreement of several precise
measure- ments among eachother?
1/
56
, PHYS 165 FINAL EXAM SOLVED CORRECTLY TO SCORE A+
9. how many sig figs are in 5,302,000? 4
10. how many sig figs are in 0.05021 kg? 4
2/
56
, PHYS 165 FINAL EXAM SOLVED CORRECTLY TO SCORE A+
11. how many sig figs are in 5.20x10^6 m? 3
12. classical physics is an excellent approximation as long matter must be
moving at
as three things are true. which of the following speeds less than about 1% of
state- ments is one of these three things? the speed of light
13. besides factors that are unique to the limitations of the measur-
situation, the
factors contributing to uncertainty in a measurement ing device, the
skill of the
include person making the
: mea- surement.
14. the mass of a block of wood is reported as 548 +/- 21g. 21g/548g x
100%=3.8321
What is the percent uncertainty? ---> 3.8%
15. the time for a drag race is 17.5 s +/- 8.1%. 17.5s x 8.1% = 1.4175 --->
what is the absolute uncertainty? 1.4s
16. convert 0.7km to meters 0.7km x
1000m/1km =
700m
17. convert 7200 mg to grams 7200mg x
1/1000mg = 7.2g
18. a person runs a race in 12,710s. how many minutes is 12,710s x
1min/60s=
this time? 211.8min
19. what do you get when you divide 42.0m by 15.0s? 42.0m / 15.0s=
2.80m/s
3/
56
, PHYS 165 FINAL EXAM SOLVED CORRECTLY TO SCORE A+
20. in an experiment, the factors that affect the independent: height of
time it takes a ball to fall are being tested. the drop
During one set of
trials, the height from which the ball is dropped is sys- dependent: tim
it takes to
tematically increased, and the resulting time fall
it takes the ball to fall is measured. The entire
time the same
4/
56
