test091p2 - G><.:=-&51~5Db~-...

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Unformatted text preview: G><.:=-&51~5Db~- [>(rj,6Do 8,:::: B(b3{)' =- f!,StYt6oo A ~ ~ 9) Refer to Figure 1. The components of vectors A and Bare A) A x ~ A cos 90° B x ~ B sin 60° A Y ~ A sin 90° B) A x ~0 9) E B Y ~Bcos60°. B y ~Bcos30°. By ~O 0 • C) A x @A ~ A cos 90° 0 B x ~ B sin 30° Bx ~0 B x ~ B cos 60° B x ~ -B cos 60° A Y ~0 A Y ~ A sin 90° 0) A x ~ A sin 90 x ~A cos 0° A Y ~ A cos 90° A Y ~A cos 90 0 B Y ~ B sin 60 B Y ~Bcos30°. 10) 10) An athlete competing in long jump leaves the ground with a speed of 9.14 m/s at an angle of 35.0° above the horizontal. t is the length of the athlete's jump? A) 16.8 m 8.01 m C) 4.01 m 0) 0.876 m E) 12.0 m ,-------------/ 11) An object is thrown upwards with a speed of 13 m/ s. How long does it take to reach a height of 11)~ 4.~ve ~ the projection point while descending? B) 4.2 s C)1.2s 0)0.42s E)3.1s ~ ~ 12) Vector A ~ 8.0 m and points 30 north of east, Vector B ~ 6.0 m and points 30° west of north, ~ ~~~ and vector C ~ 5.0 m and points 30° west of south. The resultant vector A + B + C is given 0 by ~5.9 m at an ~5.1 m at an C) 2.1 m at an 0) 2.7 m at an E) 4.8 m at an angle angle angle angle angle 74° north of east. 74° north of east. 66° east of north. 74° north of east. 74° east of north. ~ A JC~ 12) Xp:;:- ><' 4- Vi<; '0 +:1'1;< { L -t '.... y == 1(6)(7 J-. t::: ;;7 f'1 13) J;" , ct t;;;.:i 13) A car starts from rest and accelerates at 6.00 m/s2. How far does it in 3.00 s~ A) 9.00 m B) 18.0 m C) 36.0 m 0) 54.0 m ~ ~ )I; !..d I VI; L.. C) 14) The slope of a line connecting two points on a velocity versus time graph gives A) average velocity. V~ @averageacceleration·!···1····V! C) instantaneous velocity. ~< ... ~ ~ :: O~V 0) instantaneous acceleration. /:,..t (J E) displacement. I " ) 14) I"''x{j'''~)' -1M j 15) E) 106 ~_______ t 15) How many cm2 equal a m2? A) 10-2 B) 10-4 .. . -- .....-.--C) 102 ~I :;;:7 /,/f D ~ ...
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This note was uploaded on 01/20/2011 for the course PHYS 1111 taught by Professor Plascak during the Fall '08 term at University of Georgia Athens.

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