lab1986F

# lab1986F - Physics 221 Fall 1986 A3 ﬂ Laboratory Final...

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Unformatted text preview: Physics 221 - Fall, 1986 A3; ﬂ Laboratory Final kv)(%!YY\_ This laboratory final consists of 8 questions, each worth 1/2 point toward the total score for the course. 86. What is the distance in inches between the jaws of the vernier caliper shown below? 20 ‘quqqqnh o 1 z a B. 4.529 If the result of a measurement of a distance is determined to be (in um) 360,224 i 3,000 30 4 N uqunhunnphppvuggguuhnm l 5 c 1 I n I - 1,5-100-100 E C. 0.453 D. 0.429 87. which of the following expresses the measured value in a form consistent with_standard practice in the use of significant figures? (in these same unitS) D. 300,000 3.60x105) In lab this semester, you studied some aspects of the motion of a ball launched by a spring gun. Which of the following sketches best represents the trajectory of the ball after it had slid off the firing rod and traveled A. 360 B. 3,602 C. 360,000 88. to the floor? \ ’r 16' ' ~ .m... _ ~ - s§a§§§§§§§§§s asasé§E§§s=§ssess ,Al§¥%§ll _WE%§%%§3 :_ *1“ -,,_, u- ._..A., —* m . —_" 89. Which of the following best describes the variation of the speed of the ball along the path from the gun to the floor? speed speed speed speed speed is constant most of the way, and then increases. is constant most of the way, and then decreases. is constant. continuously increases. continuously decreases. y whorl 3: 7%w W’ (xx friction, it leaves a trail of spark marks, each produced after a uniform As a heavy air puck slides along a smooth horizontal surface with little interval of time. Assume such a puck initially sliding in the +x direction is struck on its Physics 221-F86-Final Page 90. .PIJH_JW n w. um m ...“-.. ., w : _ t .... .....Z..... s m, i... ..me m ... ..........m...w_........................... i b .= =3 .1 r an a: _. m m a 3;... ...... t e .m a. ......nm.............m................ g min. . m m t _. ............5.......................... “mm, Em. . ..m s m ........w..._._......_....... .........._...._ m. C m m h m .m M m..b.. ... a .m m m a k ......m. . ass... 3 m ...........__._............................. m ..m 3 .. .c ...... .....m........... ........m............ m m... u_nmmmwﬁ.wm..._gﬁmﬂwmnwm m a .... _ ,. -.. .... m m.;......,..::: ...:m m u s V .... . m M................ _ me....._....... a H .w . ..... _..... .. “...”...wwe.“ t m m .,....._............_ ........_. “ ... m ........_... ... E... ........._...n_..... “J. a. .... .. ......m ......... .. ...q ........ ...m... ...... ... ms ...... .... m m s ........ .. .... ....... ......... ._ .... .....a... Mm .................. .....e................... ...“. a m . w u n ,N........_......... ...n......................_. .......... . . ...... ................._........... u a t P t . m w. _ I ._ I.. ......“ ... ... ... mm ,................. .........................ﬂ.. _ ......“ 1 s w............._.. ................._...... .... w)... m. gnu—...“.— wu u _ . ...w. . ...... m. m ...s... m ...... ...“ 3 9. .............................._......... P o ==w . u i c r r.x _ "a = a =.. dmau== n 1 .. a _ Egg—3E: : t c a?Ema—Es.E_m__m_nn.=x_s.= d .1 1.. run — . m a U .. c m... n o ..w .. ... ..w t k p ...... ........... ....._...........,,.__.. m... f ...... . ... ...... ............ .m .1 u e ...... .....,...... .........._.. . .... e e ......__....._......_ ..........M a s E . .... . . .m....,.... 8.x huv. .aee . a 8 a s t .. c t k v. a .. ........ ......e... .... ...._....... auéE§g§sﬁ ;.; p f u r 1 n o ... ...... ........_.. .... ......_._.. Y o P ==wn= 5— EH e a i =5 z hm ht:_===:== = E: ..mme. =_::=_ __“=_._:_._=_=_ i in... . ... .... ......e..._:. i e hi— é. .o n o c .... .,._____._ ... s s w c. .... .1 f a _............._...........__.._m_. ........._... ‘ i : ...: .2 .L .I 33.1.. ..H .M. OI T/q. ‘3 M 0.16 aruércd" A ﬂgtrccw 'Time re Perm IQM?l\HAd€. E. 0.23 When displaced position? required 0.32 s to first pass its equilibrium 0:64 position. If now it is pulled 20 cm to the right of the An air cart is constrained by a spring on equilibrium portion and released at rest, each end such as done in lab. 10 cm to the right and released at rest, it estimate the time required for the cart to again first reach the equilibrium (in seconds) A. 92. Physics 221-F86-Fina1 Page 93. The angular position of a flywheel is monitored by an encoder which produces 500 pulses for every complete rotation of the wheel. If the wheel takes 20 seconds to come to test when initially spun at a rate which produces 300 encoder pulses per second, what is the magnitude of the angular acceleration of the wheel expressed in radians/s2. (Assume the acceleration is approximately constant.) B. 15. c. 0.030 n. 0.75 E. 0.0048 End of Examination ...
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## This note was uploaded on 03/26/2008 for the course PHYS 221 taught by Professor Herrera-siklody during the Spring '08 term at Iowa State.

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lab1986F - Physics 221 Fall 1986 A3 ﬂ Laboratory Final...

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