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Phys 165 Module 2 Exam Questions with
Answers (100% Correct Answers)
True or False: Kinematics is the branch of physics which is concerned with the
motion of objects without regard to the forces that affect the motion. Answer:
True
Match the physical quantity in the left column with the appropriate question in
the right column. Each choice will be used exactly once.
Position
Displacement
Time Interval
Speed Answer: Where is it?
How far did it go?
How long did it take?
How fast did it go?
Your place of work is 2.0 miles directly west of the post office. Your house is
1.5 miles directly north of the post office. You live in a city where the streets all
run either north-south or east-west. On your way home from work you stop at
the post office to drop of some mail. Your trip begins at 4:50 pm and ends at
5:05 pm. Determine the following physical quantities:
a. The time interval of your trip _____
b. Your distance traveled _____
c. The magnitude of the displacement for this trip _____
, 2
d. The average speed of your trip _____
e. The magnitude of the average velocity of your trip _____ Answer: a) 5:05pm
- 4:50pm = 15 minutes
b) 2.0 miles + 1.5 miles = 3.5 miles
c) a^2+b^2=c^2
2^2+1.5^2 = c^2 c= 2.5 miles
d) v=d/t answer in mph
e v=d/t answer in mph
Which statement BEST describes vectors and scalars? Answer: Vectors have
both magnitude and direction
Scalars have only magnitude
A security guard walks around the perimeter of a building during one of his
rounds. The distance he travels around the building is 528 m and it takes him
367 s to complete one lap around the building. Determine the following
physical quantities:
a. His average speed _____
b. His average velocity _____ Answer: a) v=d/t answer in m/s
b) v=d/t answer is zero since he starts and stops in the same place
For a truck travelling at a uniform speed, the ______________. Answer: a)
acceleration must be the same for each second
b) acceleration must be the same for each second
c) directions during the first, second, and third seconds must be equal
Phys 165 Module 2 Exam Questions with
Answers (100% Correct Answers)
True or False: Kinematics is the branch of physics which is concerned with the
motion of objects without regard to the forces that affect the motion. Answer:
True
Match the physical quantity in the left column with the appropriate question in
the right column. Each choice will be used exactly once.
Position
Displacement
Time Interval
Speed Answer: Where is it?
How far did it go?
How long did it take?
How fast did it go?
Your place of work is 2.0 miles directly west of the post office. Your house is
1.5 miles directly north of the post office. You live in a city where the streets all
run either north-south or east-west. On your way home from work you stop at
the post office to drop of some mail. Your trip begins at 4:50 pm and ends at
5:05 pm. Determine the following physical quantities:
a. The time interval of your trip _____
b. Your distance traveled _____
c. The magnitude of the displacement for this trip _____
, 2
d. The average speed of your trip _____
e. The magnitude of the average velocity of your trip _____ Answer: a) 5:05pm
- 4:50pm = 15 minutes
b) 2.0 miles + 1.5 miles = 3.5 miles
c) a^2+b^2=c^2
2^2+1.5^2 = c^2 c= 2.5 miles
d) v=d/t answer in mph
e v=d/t answer in mph
Which statement BEST describes vectors and scalars? Answer: Vectors have
both magnitude and direction
Scalars have only magnitude
A security guard walks around the perimeter of a building during one of his
rounds. The distance he travels around the building is 528 m and it takes him
367 s to complete one lap around the building. Determine the following
physical quantities:
a. His average speed _____
b. His average velocity _____ Answer: a) v=d/t answer in m/s
b) v=d/t answer is zero since he starts and stops in the same place
For a truck travelling at a uniform speed, the ______________. Answer: a)
acceleration must be the same for each second
b) acceleration must be the same for each second
c) directions during the first, second, and third seconds must be equal
