Name: .scl1\o,)~~__~

Honors Physics Midterm Study Guide NOTE: Use Scientific Notation When Appropriate & DO NOT FORGET THE CORRECT UNITS!!!!!

1) Convert 5021 em into km \CJ":' \f:::,~"" \~"'" ':.. \()"3.1"')

( ~\rA~_\~4,...\( \~\:::\6.0S02.\\l-<,\ oC­

\ --.A- c?"J 10 ",-) S. D1-\ )(IiY2.~1'\ 2) Convert the speed 5.3 m/s to km/h

lo . d.11,,,,, Is =- \~f"\I'" ,-----_----""'1

S .~~\ r_ \ ~~l~ _\ - \9.0<;' ~(,,~ \ ') \. o· d..<J~~ 0, I

3) Convert 60 mi/h to km/h I \.ot. oG, )C.. \0-\\~'"\ h, \ \~t"\ /\.. -=.D.c.~\ M~ "

rroo~{ \ ~/'r, ') ~ ~Co. Co \\,-\1', ~ I)\c>.&a.\;k] - ()~ J

4) Convert 100 ft into m q.c.c" X\D-\ ~i~ \ ~ -:=- ~.d-~ t ~

L\..oc>¥-)t~.~\~ ~, 2i';>~:~~ , 3.~x~o-\ (\

5) Convert 1.8 hours into seconds

\ \.. r- ~ 3c,.Cl()s ­ l 6) HowpreCise~:~~li~~~i.~{~4~~ ~r ~.4~xlCfs

a) 13.6 m=-~ (\ b) 20.1 kg =- ~ _

\0 ,. 1 c) 1.248 s _ ,

-....-. S. \Obf)

7) What ultimately determines the precision of any measurement?

a) Units

b) Parallax

@easUring~ d) Whatever you say determines the precision of any measurement.

8) State the number of significant digits in each of the following measurements:

a) 0.00003 m -:. & f) 6xl08 Mg ==(0 b) 64.01 Mm :. 4 g) 4.07xl016 m -=.3 c) 80.001 m -:..s d) 0.72 I1g '=-'3­e) 2.43xl06 kg -::.~

9) Add or subtract the numbers as indicated. Give answers at most 4 significant digits

a) 16.2 m + 5.08 km + 13.48m \\

~oflO", ~ tl. .d. ...SofsO -\ \~.I.I( -::~\ Dq ~~

b) 5.006m + 120.077 dm + 8.0084 m \ ~r\ -:::. l(J \ f\ ,\ ~ SQOc., t \(j.. oo.,~'" -\- ~ .0004 -::.~.()~ \ ~J

e) 78.05 em' 32.046 em' ~.C;Olf(,,~J d) 15.07 kg 12.0 kg --\~ .D<J?. ~

10) What is a measurement -a) Comparison between an unknown quantity and a standar

he point where an object lines up with another

c) The difference in reading of an object

d) An educated guess about how a variables are related

11) What is an educated guess about how variables are related?

a) Scientific theory

b) Scientific Law

Q HypothV

d) Measurement

12) Circle the target that is precise and accurate

13) Circle the target that is only precise

~the right triangle shown for angle (J.

~'/ ~r:,\. ~I&-e ~os~

A~o.ce~~

15) Fill in the blanks

SI Units Quantity Unit Name Symbol

Length Y\e\e\ m

~~.s kilogram kg

Time s.ec..ot.:>~ s

Temperature Kelvin ~

En !ish Units Quanti Unit Name S mbal

Length

Mass

\\M-e ~O\}~& second

ft

Ib

s

Tem erature Fahrenheit ~ -.-----.. ~ ... -----­

16) Define a dependent variable: ~ _,... t\ \ " ~ . ~te Sk.c-~ ~ ~e~ 0'::' -\\t\~ ", ~e~~~~ \l~~c.\'\tl" 17) Define a independent variable: ~ \ \ "­

~e k.\o, ~o:, \~ C\M ex- tJ\CltJ\9~~ ~~~~ \ Ue~\~

18) What is the formula for a slope?

a) Run/Rise b) X2-X l

~:;I!x

d) None

19) List the relationship each formula represents

a) y = ax2 + bx + c ... ~0~'CA~\c.. b) y = x :: \f ~ o..c­c) y=~ :.\~~~

x

) The data below is gathered from a previous experiment (All answers on the back of the sheet)

1

2

3

4

5

6

2.05

1.5 1.25

1

20) What is a Ii ne of best fit:

a) The line joining the first and last data points in a graph

b) The line joining the two center-most data points in a graph

Q The line drawn close to all data paints as possible

d) The line joining the maximum data pOlTits In a graph

21) What relationship exists when one variable depends on the square of the other?

Qo().&~\'\c..

22) What relationship exists when on variable depends on the inverse of the other?

~l\)..J~e

a) Plot the values given ;n the table and draw the curve best fits all paints

b) List the equation relating acceleration to mass given by the on the graph

c) Predict the acceleration of an 8 kg mass

d) According to the graph, what is the relationship between mass and the r

1) Describe the motion of the two runners' particle models. Be sure to include terms such as

velocity. Also state which runner has a greater velocity .

to • t, • t2 • t3 • t4Runner 2

to • t, • t2 • t3Runner 1 t4•

Start Finish

Runner 1 DescriPtion:' L.o~~, \JJ..C>C.~~1- I S::""'~ 2.. Runner 2 DeSCriPtion:~~~~c~~~u~~~~____~___~

2) Describe the motion of the car shown by the graph. Be sure to include terms such as velocity.

150.0

- 100.0 E-c: o 50.0 .t::

1.1'1 Y I)~ 0.0 I ....

1.0 3.0

-50.0 ~ Time (s)

_~\~ ~\0J (';$'~~ ili>~ \~ W'-------L..l'-\\!..L-­(0,;:."5' ..,-\- ~~¥-~__________.

3) A Quantity that has only magnitude is a:

a) Vector

b) Displacement

c) Velocity

@ Scalar=:::>

4) A Quantity that has magnitude and direction is a:

a) Speed

b) Distance

~ d) Scalar

5) Displacement only refers to a change in ~05:\\~0.,:J of an object.

6) Velocity refers to an objects distance divided by its total time. True or False?\'~se ~~s.iqc.el'\e-~~ 0<" ~£c>s.\~"~

7) The formula for velocity is: b ~;'t'\e bo\V""-e

~\l:.\-(N.l C£ 8) The formula for speed is: ..)".\M. e For questions 9 - lS please refer to the following position-time graph

14.0 ; j \ i i !

12.0 1(\ I I

-E

10.0

/ ~ - 8.0 c 0

',p 6.0 I I I J \+--+'r~ VI 0 I I ! \ 0- I I J,_ f~"" f ..4.0

" ! ' t I h IJ2.0 V i 1 Iii ' I~ 0.00 10.0 20.0 30.0 40.0 50.0 60.0

Time (s)

s - 60s.

10) For the time interval lOs - 40s what is the object's average velocity? D·\m Is g-Q, \

- - -::. (). t'\ Is l-\O-lD

11) For the time interval 30s- 50s what is the object's displacement? -"'7 (Y"\

~- \D-=-,

12) For the time interval Os 60s what is the objects displacement? ~n ~-C> ~

13) For the time interval Os - 60s what is the objects average velocity? OcC:>S n Is :L -,. 6.oS ".75

14) At what time does the object reach a position of 12 meters? ~~

15) At times, does the object have a position of 3m? '1'\1 ttGs- 5'2.s.I ",.j Gc:>s For questions 16 - 20 please refer to the following graphic.

A=Om B=20m

An object moves from point A (which is at a position of Om) to point B (which is at a position of

20m) in lOs. It then moves back to point A from point B pin 15 seconds . ..0-0 .::.0

16) What is the object's velocity for its entire motion? 6fV\/:s ~ ~O~~

.......17) What is the objects speed for its entire motion? \ £On Is \o\- \'&

18) What is the object's velocity as it moves from position A to Position B only? ~M is ~~

19) What is the object's speed as it moves from position A to Position B only? cl"" L< ~ =-.l..

20) What is the objects displacement for its entire motion? 0 n 0-0 -=0

1) Which is the formula for Average Velocity? b:v

)a­Ilt

<€:,o:;lon~ distance

) t 2

d) Misplacement t 2

C

Which is the formula for Average Acceleration?

distance )( t Z

d) Misplacement t 2

Consider a position-time graph for questions 3-6:

3) Slope measures

a) Time

b) Displacement

c) Acceleration

@eloC}b 4) When you have a straight horizontal line then

_xi () I __ :.L.~ =_ f'\ 1_ -....J __!L: ..... :_ -" -­___L L­ ~ P. A" .~

c) The object has either positive or negative velocity . (Y'

d) Object has acceleration \ '"",e.

5) When you have a straight sloped line then

a) Velocity is 0 m/s and position is constant

b) Velocity is 0 m/s and position is changing o.-~ c) The object has either positive or negative constant veloel ~d)~O~~~e~ct~h-a-s-a-cc-e~le-r~at~io~n--------~------------

~ \/II\-e

6) When you have a curved line then

a) Velocity is 0 m/s and position is constant ~ b) Velocity is 0 m/s and position is changing ~

~c) The object has either positive or negative constant velocity

d)The object has acceleratio IL_-='=-'-M.--::Q=--­

Consider a Velocity-Time Graph for questions 7-10

7) Slope measures

a) Time

-b) Displacement

d)

'7 L ;:)

8) When you have a straight horizontal line then =­

--Acceleration is 0 m/s2and velocity is con~

b) Acceleration is 0 m/s'Z and velocity is changing

c) The object has either positive or negative Acceleration

d) Object has acceleration \\I'"\.Q..

9) When you have a straight sloped line then

a) Acceleration is 0 m/s2 and velocity is constant

b) Acceleration is 0 m/s2 and velocity is changing

e object has either positive or negative constant acceleratl(}~4J

d) Object has no acceleratIon ~\~

10) When you have a curved line then

a) Acceleration is 0 m/s2 and velocity is constant

b) Acceleration is 0 m/s2 and velocity is changing

c) The object has either positive or negative constant acceleration. 1-~ d)The object's Acceleration is chan~LL----II'"-,-\-,,-e.,---.J

Consider an object speeding up for question 11-12

11) If velocity is negative then acceleration should be ~e~\~

12) If acceleration is negative then velocity should be t.J~~"\Ie

Consider an object slowing down for questions 13-14

13) If velocity is positive then acceleration should be , \.)~~~~ .

14) If acceleration is negative then velocity should be £~\.\Ne

Consider an object thrown up in the air and coming back down vertically. Assume up is the

positive direction and down as negative for questions 15-17. Circle your answer.

15) As the object goes up than velocity i({[osi~egative) 16) As the object goes down than displacement is (Positive ~"-:-e9-at1§b~v~

17) As the object goes down than acceleration is (Positive@:gativ~

18) If an object starts at rest then it's initial velocity is

a) Negative

b) Positive

~ d) Some value greater than Zero

19) If an object comes to a stop than which velocity is Om/s?

a) average

b) instantaneous

c) initial

d) middle

6f fjrJ"at:>

20) At the maximum height of an object thrown vertically in the air it velocity is

a) Negative

~ c) Positive

d) Some value less than zero

v =Vo + at where! v is final velocity! 2d =vot + 1/2 at vois initial velocity!

v 2 = v& + 2ad a is acceleration and t is time.

21) A rock is dropped from a cliff. A) What is the velocity of the rock after it has fallen for 11

seconds? B) How far has it fallen from where it was dropped?

1'('50,;0"'./6 Cj 'U"":: 1:1"b¥:<t. ~ d::. '\JO-t.>r ~a.t:.~ ~ I:.~ \\~ 'L)~ c>~.8~\) o.-=-O(\\)~s(9·~\)

CA ~q;&f"\IK §b'"7''6'MIs] ~sq'2-q;:J

22) A car with a velocity of 22 m/s starts to accelerate uniformly at the rate of 2.0 m/s2 forlO

seconds. What is its final velocity?

1.);. 'l.J"o ~C(t:.1/o-=-~/~ V'S:. dd.T d.(\0)ex -=. ~~/~ ~ ~,",Is.J'= ~ \Os,.

!if? \

23) A dragster starting from rest accelerates at 49 m/s2. How fast is it going when it has traveled

325 m? ~ ..l. <""\ ~

V-... 15; ~olod~.. o~1s C\-::.. 40( M Is:J. U ~ ~1.10::" \r~a

d. -= ~1-~t"\ 1).,

U:;\ U -::. \"715. t:Jr')

24) An engineer must design a runway that allows planes to reach a ground speed of 61 m/s before

they can take off. If the planes accelerate at 2.4 m/s2, what must the minimum length of the

runway be?

1To-=OM!5 ~"vo;)...;:)"1j15::Co\MIs ~ J ':)..0.. ,::-d. .L\n~~ 0.-::. 15 -1)6 -

d~~ ~q

j.,_ (J, \~-cr_ - ~C3.'-tJ

)"J. -=-'7~&r'\J

25) You throw a beanbag up in the air and catch 2.2 s later. A) What is the initial velocity? B) How

high did the ball travel?

~ c\ !:a'lYo t ~ct?,4) U=-?JC ~ Qt.

1J-:.(!)~/5 O~1Jo ~-q·~)t\·0 d.-to.~8;' -'r ~-Cf0')0· If VO ~« (V; ~ \b.~8r\15J \j~ L\-.~s,II\]G\. -:.. -ct ·~,,/6l.... ------'­

t~ \'\s