PHY2053 F23 Quiz 1 v2 solution with vars-only (1)
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PHY2053 QUIZ 1
Please Print Clearly
Follow all instructions, including:
You have 20 minutes to complete this quiz.
Show your work in the space provided for each question.
Writing a correct answer alone will not earn points.
Include correct units in intermediate steps and answers.
Do not use or refer to any additional paper or resources other than what is provided during the quiz by the instructor.
Only work shown in the space provided to answer each question will be graded. The scratch paper will not be graded or evaluated.
Be clear about what your final answer is by drawing a box around your response.
You may use a calculator. You may not use an app or program on a smartphone,
tablet, or laptop.
Do not discuss the contents of this quiz or your answers with anyone.
Preserve the integrity of the testing environment:
Remove any hats or hoods, unless this direction interferes with religious customs.
Please keep noises and distractions to a minimum.
Silence and stow your cellphone.
When you are finished or when the time has elapsed, return all
provided materials to your instructor.
Submitting your quiz for evaluation signifies your understanding and compliance of the instructions above, and that you completed the quiz according to the standards and intentions defined by the Student Honor Code, including that you neither provided nor received assistance on this quiz.
Name: ___________________
Section Number
2
1.
You see your friend starting from rest and sprinting with acceleration 3 m/s
2
. After how much time does he reach velocity of 12 m/s? Solution:
a=v/t
t=v/a= 4 s
2.
3
Name: ___________________
UFID:
Section Number
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2.
A cargo plane starts from rest and accelerates with acceleration a m/s
2
. How much distance in meters has it travelled after t seconds? Solution:
Vi=0
Δx=0.5*a*t^2
4
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