Physics quiz archive: vectors, projectile motion, forces

Physics 205A Quiz 3, fall semester 2019
Cuesta College, San Luis Obispo, CA
Sections 70854, 70855
Exam code: quiz03Ch3V



Sections 70854, 70855 results

0- 6 :	* [low = 6]
7-12 :	***
13-18 :	**************
19-24 :	******************* [mean = 21.7 +/- 5.8]
25-30 :	***************** [high = 30]

Physics quiz archive: kinematics, free fall

Physics 205A Quiz 2, fall semester 2019
Cuesta College, San Luis Obispo, CA
Sections 70854, 70855
Exam code: quiz02Cs1o



Sections 70854, 70855 results

0- 6 :
7-12 :	******** [low = 9]
13-18 :	************
19-24 :	****************** [mean = 21.1 +/- 6.0]
25-30 :	**************** [high = 30]

Physics quiz archive: vectors, projectile motion, forces

Physics 205A Quiz 3, fall semester 2018
Cuesta College, San Luis Obispo, CA
Sections 70854, 70855 version 1
Exam code: quiz03pRH5



Sections 70854, 70855 results

0- 6 :
7-12 :	***** [low = 9]
13-18 :	**********
19-24 :	******************* [mean = 23.1+/- 6.0]
25-30 :	********************** [high = 30]

Physics quiz archive: kinematics, free fall

Physics 205A Quiz 2, fall semester 2018
Cuesta College, San Luis Obispo, CA
Sections 70854, 70855 version 1
Exam code: quiz02HwRd



Sections 70854, 70855 results

0- 6 :	** [low = 6]
7-12 :	******
13-18 :	*************
19-24 :	******************** [mean = 20.4 +/- 6.1]
25-30 :	*********** [high = 30]

Physics quiz archive: vectors, projectile motion, forces

Physics 205A Quiz 3, fall semester 2017
Cuesta College, San Luis Obispo, CA
Sections 70854, 70855 version 1
Exam code: quiz03T4uC



Sections 70854, 70855 results

0- 6 :
7-12 :	********* [low = 9]
13-18 :	****************
19-24 :	*********************** [mean = 19.2 +/- 5.2]
25-30 :	****** [high = 27]

Physics quiz archive: kinematics, free fall

Physics 205A Quiz 2, fall semester 2017
Cuesta College, San Luis Obispo, CA
Sections 70854, 70855 version 1
Exam code: quiz02BjRn



Sections 70854, 70855 results

0- 6 :	* [low = 6]
7-12 :	******
13-18 :	************
19-24 :	**************** [mean = 22.0 +/- 6.5]
25-30 :	********************* [high = 30]

Physics quiz archive: vectors, projectile motion, forces

Physics 205A Quiz 3, fall semester 2016
Cuesta College, San Luis Obispo, CA
Sections 70854, 70855, 73320, version 1
Exam code: quiz03sHO7



Sections 70854, 70855, 73320 results

0- 6 :	********** [low = 0]
7-12 :	************************* [mean = 12.7 +/- 5.4]
13-18 :	**********
19-24 :	******* [high = 24]
25-30 :

Physics quiz archive: kinematics, free fall

Physics 205A Quiz 2, fall semester 2016
Cuesta College, San Luis Obispo, CA
Sections 70854, 70855, 73320, version 1
Exam code: quiz02SL1p


Sections 70854, 70855, 73320 results

0- 6 :
7-12 :	********* [low = 9]
13-18 :	************
19-24 :	******************** [mean = 21.4 +/- 6.2]
25-30 :	****************** [high = 30]

Physics quiz archive: vectors, projectile motion, forces

Physics 205A Quiz 3, fall semester 2015
Cuesta College, San Luis Obispo, CA
Sections 70854, 70855, 73320, version 1
Exam code: quiz03re3T



Sections 70854, 70855, 73320 results

0- 6 :	* [low = 6]
7-12 :	*
13-18 :	*******************
19-24 :	****************************** [mean = 22.4 +/- 4.9]
25-30 :	********************** [high = 30]

Physics quiz archive: vectors, projectile motion, forces

Physics 205A Quiz 3, fall semester 2014
Cuesta College, San Luis Obispo, CA
Sections 70854, 70855, 73320, version 1
Exam code: quiz03fkfs



Sections 70854, 70855, 73320 results

0- 6 :	**** [low = 3]
7-12 :	*********
13-18 :	***************************** [mean = 18.4 +/- 6.1]
19-24 :	**********************
25-30 :	******** [high = 30]

Physics quiz archive: vectors, projectile motion, forces

Physics 205A Quiz 3, fall semester 2013
Cuesta College, San Luis Obispo, CA
Sections 70854, 70855, 73320, version 1
Exam code: quiz03eL3v

Sections 70854, 70855, 73320 results

0- 6 :	** [low = 6]
7-12 :	********************
13-18 :	*************************** [mean = 16.6 +/- 5.2]
19-24 :	****************
25-30 :	***** [high = 27]

Physics quiz archive: kinematics, free fall

Physics 205A Quiz 2, fall semester 2013
Cuesta College, San Luis Obispo, CA
Sections 70854, 70855, 73320, version 1
Exam code: quiz02p3nG

Sections 70854, 70855, 73320 results

0- 6 :	* [low = 6]
7-12 :	*********
13-18 :	*********************
19-24 :	************************ [mean = 20.0 +/- 5.9]
25-30 :	************** [high = 30]

Physics quiz archive: vectors, projectile motion, forces

Physics 205A Quiz 3, fall semester 2012
Cuesta College, San Luis Obispo, CA
Sections 70854, 70855, version 1
Exam code: quiz03sQr7



Sections 70854, 70855 results

0- 6 :	* [low = 6]
7-12 :	***
13-18 :	***********************
19-24 :	********************** [mean = 19.3 +/- 4.7]
25-30 :	****** [high = 30]

Physics quiz archive: kinematics, free fall

Physics 205A Quiz 2, fall semester 2012
Cuesta College, San Luis Obispo, CA
Sections 70854, 70855, version 1
Exam code: quiz02Bo74Sections 70854, 70855

0- 6 :	****** [low = 3]
7-12 :	****************
13-18 :	********************* [mean = 15.3 +/- 6.1]
19-24 :	***********
25-30 :	**** [high = 27]

Physics quiz archive: vectors, projectile motion, forces

Physics 205A Quiz 3, fall semester 2011
Cuesta College, San Luis Obispo, CA
Sections 70854, 70855, version 1

Sections 70854, 70855 results
Exam code: quiz03Fn37

 0- 6 : ****  [low = 3]
 7-12 : ************
13-18 : ***************  [mean = 18.4 +/- 7.6]
19-24 : ***********
25-30 : *************  [high = 30]

Physics quiz archive: kinematics, free fall

Physics 205A Quiz 2, fall semester 2011
Cuesta College, San Luis Obispo, CA
Sections 70854, 70855, version 1Sections 70854, 70855 results
Exam code: quiz02p4iN

 0- 6 : **  [low = 6]
 7-12 : ****
13-18 : ************
19-24 : *****************  [mean = 21.8 +/- 6.5]
25-30 : ******************  [high = 30]

Physics clicker question: free fall acceleration

Physics 205A, Spring Semester 2009
Cuesta College, San Luis Obispo, CA

Cf. Giambattista/Richardson/Richardson, Physics, 2/e, Multiple-Choice Question 2.1

Students were asked the following clicker questions (Classroom Performance System, einstruction.com) in the middle of their learning cycle (after being asked about the acceleration while the ball is traveling downwards, and while traveling upwards):

A ball is thrown and released such that it initially travels upwards. While it is momentarily at its highest point, its acceleration is __________. (Up = +y direction; neglect air resistance ("free fall").)
(A) +9.80 m/s^2.
(B) 0 m/s^2.
(C) –9.80 m/s^2.
(D) (More than one of the above choices.)
(E) (None of the above choices.)
(F) (I'm lost, and don't know how to answer this.)

Sections 30880, 30881
(A) : 0 students
(B) : 30 students
(C) : 13 students
(D) : 0 students
(E) : 0 students
(F) : 0 students

Correct answer: (C)

A whole-class discussion on velocity versus time graphs for objects in free fall immediately followed the tallying of results. All v_y(t) graphs for free fall may have different initial v_i,y values, but would all have the same negative slopes, and thus acceleration values of -9.80 m/s^2.

Physics clicker question: average versus instantaneous velocity

Physics 5A, Spring Semester 2008
Cuesta College, San Luis Obispo, CA

Cf. Giambattista/Richardson/Richardson, Physics, 1/e, Conceptual Question 1.7 (extended)

Students were asked the following clicker question (Classroom Performance System, einstruction.com) at the beginning of their learning cycle:

[0.3 participation points.] In general, what is the difference between an average and an instantaneous quantity?
(A) The amount of change that takes place.
(B) The amount of time for a change to take place.
(C) How fast the object is moving.
(D) The number of times that a change takes place in a given time interval.
(E) (I'm lost, and don't know how to answer this.)

Sections 4987, 4988
(A) : 7 students
(B) : 14 students
(C) : 1 student
(D) : 17 students
(E) : 3 students

Correct answer: (B)

For example, average velocity is defined as the displacement of an object divided by a finite time interval, whereas instantaneous velocity is defined as the vanishingly small ("infinitesimal") displacement of an object divided by a vanishingly small ("infinitesimal") time interval. Students seemed to confuse the semantics of the term "average" with the sampling of many results, as opposed to "instantaneous" being only one event.