Quiz 1a page 6 of 8 initial 5 8 points consider the

Quiz #1A Page 6 of 8

Initial:
5. (8 points) Consider the two vectors A and B shown at right. Which of the
following is the correct sketch for the vector di ff erence A - B ?
6. (8 points) An object is thrown upward. It reaches a peak, and falls back downward. If upward is the positive
direction, which graph shows its velocity as a function of time during this process? ( On Earth. )
Quiz #1A Page 7 of 8

7. (8 points) A car drives through a semi-circular valley at constant speed. Three motion diagrams are shown,
with velocity vectors between the car’s locations, and an acceleration vector at the instant the car is at the
very bottom of the valley. Which diagram or diagrams, if any, shows a correct acceleration vector? ( On
Earth. )
Quiz #1A Page 8 of 8

Physics 2211 A
Nine-digit Tech ID
first (given)
Name, printed as it appears in Canvas
last (family)
Fall 2021
Quiz
1A
• Print your name and nine-digit Tech ID very neatly in the spaces above.
• Free-response problems are numbered I–III. Show all your work clearly, including all
steps and logic. Write darkly . Blue or black ink is recommended. Do not make any
erasures in your free-response work. Cross out anything you do not want evaluated. Box your answer.
• Multiple-choice questions are numbered 1–7. For each, select the answer most nearly correct, circle it on
your quiz, and fill the bubble for your answer on this front page.
• Initial the odd pages in the top margin, in case the pages of your quiz get separated.
• The standard formula sheet is on the back of this page, which may be removed from the quiz form if you
wish, but it must be submitted.
• If the page for a free-response problem has insu ffi cient space for your work, ask a proctor for an additional
sheet. If you wish this work to be evaluated, put your name on the sheet and make a note on the problem
page, so graders will know where to look for your work.
• You may use a calculator that cannot store letters, but no other aids or electronic devices.
• Your score will be posted when your quiz has been graded. Quiz grades become final when the next quiz is
administered.
Fill in bubbles for your Multiple Choice answers darkly and neatly.
a b c d e
1
a b c d e
2
a b c d e
3
a b c d e
4
a b c d e
5
a b c d e
6
a b c d e
7
a b c d e
a b c d e
Quiz #1A Page 1 of 8