AP PHYSICS FINAL EXAM |QUESTIONS & ANSWERS
VERIFIED SOLUTIONS 100%|GRADE A+|LATEST 2024/2025
Study of an automobile collision requires which of the following topics in physics?
- ✔✔Newtonian mechanics
Which of the following is a fundamental unit of the International System of Units?
- ✔✔Second
If x is measured in meters, v and vo in m/s and a in m/s2, which of the following is
NOT dimensionally consistent? - ✔✔x = ½ at+vot
The prefix for one one-thousandth (10-3) is - ✔✔milli
Express .052 g in engineering notation. - ✔✔52 mg
A man goes out for a walk. He first walks 120 m and then rests. He then continues
on his walk for another 64.8 m. What is the total length of his walk? - ✔✔185 m
What is the circumference of a circle with a 7.38 cm radius? (carefully consider the
number of significant figures) - ✔✔46.4 cm
Convert 0.092 kg to standard units - ✔✔92 g
Convert 211.3 s to minutes. - ✔✔3.522 min
Divide 46.73/11 and determine the answer in significant figures. - ✔✔4.248
,A squirrel dashes across a 240 cm wide road in 0.075 minutes. (You must always
show work on any Free Response Question. Most points are awarded for showing
the work and not for the actual answer.)
A. Convert both values to standard units.
B. Using the equation speed=distance/time calculate the speed using significant
figures.
C. Convert the answer to Engineering Notation. - ✔✔A. 240cm(1m/100cm)=2.4m
2 Points
0.075min(60s/1min)=4.5s 2 Points
B. 2.4/4.5=0.5333 2 Points
0.53 m/s 2 Points
C. 530 x 10-3 2 Points
Given two vectors:
A=4i+ 2j
and
B=5i-3j
Find the magnitude of:
A-B - ✔✔5.1
Which of the following statements about vectors is NOT true. - ✔✔Vectors must
originate at the point 0,0 by definition.
Which of the following are NOT vectors? (Please choose all that are correct) -
✔✔The age of the Earth
,A persons height
What is the x component of a jet flying 211 m/s at 215o? - ✔✔Correct answer:
-172 m/s
Ax=Acos()
Ax=211cos(215)=-172
if you got 41.7 your calculator is in radians and must be switched to degrees
A woman runs 450 m at 30.o. Assuming the angle is measured from normal
compass points how far North did she get? - ✔✔390 m
North would be the x component and standard angle values are given from positive
x or East.
Ay=Asin()
Ay=450sin(30)=220
if you got 69 then your calculator is in radians and should be in degrees
Three sticks of length 6.0 cm, 8.0 cm and 10.0 cm are assembled into a right
triangle. What is the angle of the where the 6.0 cm stick connects to the 10.0 cm
stick? - ✔✔53º
T-6.0 cm becomes the adjacent side so
, cosθ=(6/10)
θ=cos-1(86/10)=53o
or 3-4-5 triangle so
Pythagorean triple, with angles of 53º and 37º.
Which equation represents the angle θ in the drawing? - ✔✔cos^-1(3/7)
-3 is adjacent, 7 is hypotenuse, cos θ = adjacent over hypotenuse.
θ = cos-1(3/7)=65o
Given the vector relationship A + B = C. If the magnitudes of the vectors are
related by A + B > C which of the following statements are true? (Choose all that
are correct) - ✔✔The vectors A and B could NOT be pointing in the same
direction
A dog walks 25.0 m West and then 7.50 m North. What is the magnitue of the sum
of these two vectors? - ✔✔26.1 m
R=sqrt(Ax2+Ay2)
R=sqrt(252+7.52)=26.1 m
A dog walks 25.0 m East and 7.50 m South. What is the angle of the sum of these
two vectors? - ✔✔-16.7o
()=tan-1(Ay/Ax)
()=tan-1(-7.5/25)=-16.7o
VERIFIED SOLUTIONS 100%|GRADE A+|LATEST 2024/2025
Study of an automobile collision requires which of the following topics in physics?
- ✔✔Newtonian mechanics
Which of the following is a fundamental unit of the International System of Units?
- ✔✔Second
If x is measured in meters, v and vo in m/s and a in m/s2, which of the following is
NOT dimensionally consistent? - ✔✔x = ½ at+vot
The prefix for one one-thousandth (10-3) is - ✔✔milli
Express .052 g in engineering notation. - ✔✔52 mg
A man goes out for a walk. He first walks 120 m and then rests. He then continues
on his walk for another 64.8 m. What is the total length of his walk? - ✔✔185 m
What is the circumference of a circle with a 7.38 cm radius? (carefully consider the
number of significant figures) - ✔✔46.4 cm
Convert 0.092 kg to standard units - ✔✔92 g
Convert 211.3 s to minutes. - ✔✔3.522 min
Divide 46.73/11 and determine the answer in significant figures. - ✔✔4.248
,A squirrel dashes across a 240 cm wide road in 0.075 minutes. (You must always
show work on any Free Response Question. Most points are awarded for showing
the work and not for the actual answer.)
A. Convert both values to standard units.
B. Using the equation speed=distance/time calculate the speed using significant
figures.
C. Convert the answer to Engineering Notation. - ✔✔A. 240cm(1m/100cm)=2.4m
2 Points
0.075min(60s/1min)=4.5s 2 Points
B. 2.4/4.5=0.5333 2 Points
0.53 m/s 2 Points
C. 530 x 10-3 2 Points
Given two vectors:
A=4i+ 2j
and
B=5i-3j
Find the magnitude of:
A-B - ✔✔5.1
Which of the following statements about vectors is NOT true. - ✔✔Vectors must
originate at the point 0,0 by definition.
Which of the following are NOT vectors? (Please choose all that are correct) -
✔✔The age of the Earth
,A persons height
What is the x component of a jet flying 211 m/s at 215o? - ✔✔Correct answer:
-172 m/s
Ax=Acos()
Ax=211cos(215)=-172
if you got 41.7 your calculator is in radians and must be switched to degrees
A woman runs 450 m at 30.o. Assuming the angle is measured from normal
compass points how far North did she get? - ✔✔390 m
North would be the x component and standard angle values are given from positive
x or East.
Ay=Asin()
Ay=450sin(30)=220
if you got 69 then your calculator is in radians and should be in degrees
Three sticks of length 6.0 cm, 8.0 cm and 10.0 cm are assembled into a right
triangle. What is the angle of the where the 6.0 cm stick connects to the 10.0 cm
stick? - ✔✔53º
T-6.0 cm becomes the adjacent side so
, cosθ=(6/10)
θ=cos-1(86/10)=53o
or 3-4-5 triangle so
Pythagorean triple, with angles of 53º and 37º.
Which equation represents the angle θ in the drawing? - ✔✔cos^-1(3/7)
-3 is adjacent, 7 is hypotenuse, cos θ = adjacent over hypotenuse.
θ = cos-1(3/7)=65o
Given the vector relationship A + B = C. If the magnitudes of the vectors are
related by A + B > C which of the following statements are true? (Choose all that
are correct) - ✔✔The vectors A and B could NOT be pointing in the same
direction
A dog walks 25.0 m West and then 7.50 m North. What is the magnitue of the sum
of these two vectors? - ✔✔26.1 m
R=sqrt(Ax2+Ay2)
R=sqrt(252+7.52)=26.1 m
A dog walks 25.0 m East and 7.50 m South. What is the angle of the sum of these
two vectors? - ✔✔-16.7o
()=tan-1(Ay/Ax)
()=tan-1(-7.5/25)=-16.7o
