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Loncapa Reading Questions Final Exam Review Questions And Answers With Verified Solutions 100% Correct!!!
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Loncapa Reading Questions Final Exam Review Questions And Answers With Verified Solutions 100% Correct!!!

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  • January 9, 2025
  • 14
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

Subjects

  • loncapa reading questions final exam review questi
  • a friend discusses a physics problem with you you
  • over a span of 80 seconds an object moves 16 m t
  • consider someone doing a shuttle run drill over t

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  • Capa certification
  • Capa certification

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Loncapa Reading Questions Final Exam
Review Questions And Answers With
Verified Solutions 100% Correct!!!
A friend discusses a physics problem with you. Your friend calculates the
change in displacement of an object in the problem and comes up with a result
of ∆x = -8.7 m. What is your interpretation of this result?
Answer:
Relative to its starting position, the object moved 8.7 m to the left (or whatever
direction is indicated to be the negative direction).

Over a span of 8.0 seconds, an object moves 16 m to the left relative to where
it began. If we treat left as the direction towards increasingly negative
displacement, what is the average velocity of the object during this motion?
Answer:
Average velocity = -2.0 m/s
Choices:
a) 2.0 m/s
b) -2.0 m/s
c) 0.25 m/s
d) 0.25 m/s to the left

Consider someone doing a shuttle run drill. Over the course of the drill, the
runner starts and ends in the same place. What can we say about the average
velocity of the runner over the course of the entire drill?
Answer:
The average velocity is zero.
Choices:
a) The average velocity is positive.
b) The average velocity is zero.
c) The average velocity is negative.
d) The average velocity is undefined.

Which of the following formulas is not a valid equation for kinematics?
Answer:
b. x = vi − at
Choices:
a) x = xi + vit + [1/2]·at²
b) x = vi − at

, c) v² = vi² + 2aΔx
d) vd = vi + at

The value of 9.8 m/s² for g applies in which of the following situations?
Answer:
c. Near the surface of the Earth
Choices:
a) Throughout the universe
b) At any point where you are influenced by Earth's gravitational field.
c) Near the surface of the Earth
d) Only while in orbit about the Earth

Consider a displacement vector of magnitude 511 m and direction 126°
relative to the +x-axis. Suppose that vector is divided by the scalar quantity 4.
In which direction is it now?
Answer:
126°
Choices:
a) 126°
b) 45°
c) 90°
d) 360° (or 0°)

The magnitude of any two-dimensional vector can be found using what?
Answer:
The Pythagorean Theorem
Choices:
a) The Law of Cosines
b) The Pythagorean Theorem
c) Inverse Tangent
d) The Law of Sines

Which trigonometric function is used to find the direction of a two-
dimensional vector if you are given the x- and y-components of the vector?
Answer:
Inverse Tangent
Choices:
a) Cosine
b) Sine

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