Lab 3 Falling Bodies

# Lab 3 Falling Bodies - Lab 3 Falling Bodies Lab Report(100...

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Unformatted text preview: Lab 3 Falling Bodies Lab Report (100 pts) Name: _ PHYS 1114 ' ‘\ Section: Day and Time: Oi/Z‘g a 50 Station Check: ’M’ Table 1. Steel Ball Displacement vs. Time Data (30 pts) m ﬁm‘ r I" X . . l5 Time 3 (see) Time 4 _ / (sec) - 7 Time 5 ‘ 3. Average Time m i A ,‘ (sec) J ’* ' ' ' Time Squared ﬂ (secz) ‘V 29 Lab 3: Falling Bodies Table 2. Aluminum Ball Displacement vs. Time Data (30 pts) Average Time ,, (a 1..., (sec) 1 - ' '~ a 3m; Time quuared ; p 1/? (sec ) ‘ ‘~ ,, O a: a 3 Questions, Exercises, and Calculations for Part II 1. Enter the data into the provided Excel spreadsheet and have your TA check your results. Once it is approved, print the spreadsheets and attach to the lab report. 2. IF the plotted displacement vs. time—squared data points readily show that a straight line can be drawn through them, even if the points are somewhat scattered about a line instead of all lying on a line, \/ Use a proper slope technique to acquire the slope of [the line of best ﬁt. Do not guess, and do not use data. Refer to the section on graphical representation of data at the front of the lab manual if you need help. (9 pts, 9 pts) 3. According to kinematics, the predicted expression for the behavior of the balls as the fall . . 1 . . through the an IS y = E gtz. What are the spec1ﬁc express1ons for your data of the two balls. [HWTz Use the basic equation for a line] (4 pts) t i 2 J Aluminum: Steel: 30 Lab 3 Falling Bodies 4. According to the predicted relationship, how are the slopes of your graphs related to the motion of the balls? (2 pts) "Here if 5. Based on your expression and the predicted relationship, what is the magnitude of the acceleration of each ball? (6 pts) Steel: ( Aluminum: / 6. Compare the values of the acceleration to the predicted acceleration (g=9.8m/sz). Use percent error. (Show work for one) (5 pts) Steel: 0 75:3 ~~ 7’? ‘ :7 "N: Aluminum: ‘ ‘ A, a.” A » at x f /7 1 ’ Airwww n} ‘6’” ’ 31 Lab 3: Falling Bodies 7. According to theory, how should the accelerations of the two balls compare with each other? (Hint: Does the mass difference matter?) Explain. (2 pts) tw-v‘ w . ;-;,- ~ {71‘ ’§ ' V . : 3 a t a r- ‘y a in g H ; . . l .. , r r ; 3 / 8. Compare the accelerations of the two balls. (Do a percent difference). Do they fall with nearly the same constant acceleration? (3 pts) 32 00N.0 A~<w0 395:3 9:: 03.0 0070 Ll: IL 2639 622:5 9E... .m> EoEwomEmE 0m0.0 000.0 000.0 ‘ 00N.0 .1... 0 0 V. 0 O O 0 0 (Lu) waweoeldsgp 000.0 000... (EL H 00N._‘ ommN oowd ,H “LN owwd o®_\.o 03d AN<\$ 333% 9:: omfo 09.0 omod owed :3 gums—um wEE. .m> “:mEmomeE ovod omod 000.0 000.0 ﬂ oomd oovd 1...... 8 0. O (m) 1uawoe|dsgp oowd ooo._. (i N EQQQ come ...
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Lab 3 Falling Bodies - Lab 3 Falling Bodies Lab Report(100...

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