PHYS 2001 - Exam 1 2025/2026 Exam
Questions and Verified Answers |
Already Graded A+
A powerboat, starting from rest maintains a constant acceleration. After a
certain time t, its displacement and velocity are r and v. At time 2t, what will
be its displacement and velocity, assuming the acceleration remains
constant?
a) 4r and 2v
b) 2r and 2v
c) 2r and 4v
,d) 4r and 4v - 🧠 ANSWER ✔✔a) 4r and 2v
Which of the following statements is/are true?
a) Physics is the most fundamental of all the branches of science.
b) Physics is a very mature science, where its fundamental principles have
been tested over many centuries and supported by empirical evidence from
experimentation.
c) Physics provides a framework for explaining the processes of the natural
world.
d) Physics research has had a significant impact on the development of
new technologies, such as space travel, telecommunications, and
medicine.
e) All of the above statements are true. - 🧠 ANSWER ✔✔e) All of the above
statements are true.
Which of the following is not a system of units used in measurements?
a) SI (System International)
,b) CGS (Centimeter, Gram, Second)
c) BE (British Engineering)
d) ATT (Angles, Temperature, Time)
e) None of these is a system of units. - 🧠 ANSWER ✔✔d) ATT (Angles,
Temperature, Time)
Consider the value 0.000574 m. Which of the following choices correctly
represents this quantity written in scientific notation?
a) 5.74 × 103 m
b) 0.000574 m
c) 0.574 × 103 m
d) 5.74 × 10-4 m
e) 5.74 × 10-3 m - 🧠 ANSWER ✔✔c) 0.574 × 103 m
Below is a list of variables and their corresponding units.
Variable Units
x Meters (m)
COPYRIGHT©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
PRIVACY STATEMENT. ALL RIGHTS RESERVED
, v Meters per second (m/s)
t Seconds (s)
a Meters per second squared (m/s2)
Consider the following relationship: t= √(2x/a).
Is this relationship dimensionally consistent? In other words, do the units on
the left side of the equation match the units on the right side? - 🧠 ANSWER
✔✔yes
True or False: It is ok to add different units together, as long as they have
the same dimensions. For example, while 25 mi and 12 km have different
units, we can add them together (without conversion) since they both have
the dimension of length. - 🧠 ANSWER ✔✔False
Which of the following is an example of a vector quantity?
a) A car's speedometer and compass reading of 65 mi/h due east
b) A car's speedometer reading of 65 mi/h
c) A temperature of +20 °C
Questions and Verified Answers |
Already Graded A+
A powerboat, starting from rest maintains a constant acceleration. After a
certain time t, its displacement and velocity are r and v. At time 2t, what will
be its displacement and velocity, assuming the acceleration remains
constant?
a) 4r and 2v
b) 2r and 2v
c) 2r and 4v
,d) 4r and 4v - 🧠 ANSWER ✔✔a) 4r and 2v
Which of the following statements is/are true?
a) Physics is the most fundamental of all the branches of science.
b) Physics is a very mature science, where its fundamental principles have
been tested over many centuries and supported by empirical evidence from
experimentation.
c) Physics provides a framework for explaining the processes of the natural
world.
d) Physics research has had a significant impact on the development of
new technologies, such as space travel, telecommunications, and
medicine.
e) All of the above statements are true. - 🧠 ANSWER ✔✔e) All of the above
statements are true.
Which of the following is not a system of units used in measurements?
a) SI (System International)
,b) CGS (Centimeter, Gram, Second)
c) BE (British Engineering)
d) ATT (Angles, Temperature, Time)
e) None of these is a system of units. - 🧠 ANSWER ✔✔d) ATT (Angles,
Temperature, Time)
Consider the value 0.000574 m. Which of the following choices correctly
represents this quantity written in scientific notation?
a) 5.74 × 103 m
b) 0.000574 m
c) 0.574 × 103 m
d) 5.74 × 10-4 m
e) 5.74 × 10-3 m - 🧠 ANSWER ✔✔c) 0.574 × 103 m
Below is a list of variables and their corresponding units.
Variable Units
x Meters (m)
COPYRIGHT©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
PRIVACY STATEMENT. ALL RIGHTS RESERVED
, v Meters per second (m/s)
t Seconds (s)
a Meters per second squared (m/s2)
Consider the following relationship: t= √(2x/a).
Is this relationship dimensionally consistent? In other words, do the units on
the left side of the equation match the units on the right side? - 🧠 ANSWER
✔✔yes
True or False: It is ok to add different units together, as long as they have
the same dimensions. For example, while 25 mi and 12 km have different
units, we can add them together (without conversion) since they both have
the dimension of length. - 🧠 ANSWER ✔✔False
Which of the following is an example of a vector quantity?
a) A car's speedometer and compass reading of 65 mi/h due east
b) A car's speedometer reading of 65 mi/h
c) A temperature of +20 °C
