/ University of Jordan

Physics Department

Practical Physics-I (030211 0

Quiz #2

Student Name: o z ~ . ( '.? .".?- ~ ~--~"""'-)t---;,,.......__~>~___,u~--~, Student No.: 6 l I R3 k>o

QI) The histogram shown, gives the average velocity as~afunction oftim1

,~ The distance traveled in the time interval t = 0.1 s to t = 0.3 s

AX = 6tvePI.. ~- ~v-c.- =(25."" X.o•I) + (iS-Xu · t)

.: I./ CWJ

e) The magnitude of mweimum acceleration is ·

I iJ v I -- m'\..AC. J. 10 - scJ f

a. t -

j) The instantaneous velocity at t = 0.4 sis JCJJ( ,G. ....-

Vaverage (emfs)

30

25

fill

/

. 15

IO

s

1 \j . ~ / 5 . ~' J { c l: C) • 'I~<_ c--) I • ;: ( Q 3 - 0 ' 5) ;:'

lm~d m·/-e.rycJ t . 3o +Lo

2.

Q2) For the ticker tape show11 below,

CD t=O s Is 2s 3s 4s Ss

411112013

Time: 25 min

Section:

., ~ Crt1/S •

6s

....-... ··--· r----.. ... +-------... r -------• !cm 3cm Scm 7cm 9cm

Find' the av~rage _velocity (in cn1/s) for the period .t:J s to~ s. J -~(5'-ri--1-:Jc~ t -:- l,_!J ~ 1-)

~ - -

____________ ;_.._ __ - -- --

11cm

University of Jordan

Physics Department

Student Name:

Practical Physics-1 (0302111) Quiz #2

Student No.: ----------~- -----

• • •

411112013

Time: 25 min

Sectioh:

• t=O t = 0.1 s t = 0.2 s t= 0.3 s ,~:.,,I

v · I 111.S,.

7.lcm-..J _J _J 16.2 cm

·-27.2cm

· 40.4 cm

l/o .t( - It . 'l... 0 · 2. ,. . ..

Q4) In accelerated motio11 of an object registered on a ticker timer tape, the larger th_e distance between the & consecutive points, · ~ . .

. ' a) The larger is the acceleration of the object. . b) The larger is the mass of tire object. ef ~rge~ is the velocity of the object. d) The sltiat&r is the mass of the object. e) None of the above.

Q5) Which of the following figures represents the correct experimental arrangement

~

= q () {_,:,";,JO -t" l '2-- 0 l~ ') 'Z- ~ b ~~ 1'1·'1~ 120 gm

qo s. \I.A . '2. IA-0 - - > g '.4 2. ' _)D -\- )'l.-0 s \ V\ -

t.f 6

/ U11iversity of Jordan

Phy.sics Department

Practical Physics-I Quiz #1

2811012013

Time: 25 min

Student Name: :=_~ ,.... ~, ~( L ~ .. ; , ~~~•-~-.<---iJ___,,..-+,-;:--,,,..._,r7~,J.......,"'-'--

Student No. : b \ \ g3g u Section: ,..

Ql) Suppose we have measured the starting position as x1 = 9.3±0.2 m and· the finishing position as x2:=;:

14.4±0.3 m. Find the displacement (x2-x1) and the error in the displacement. ~ Answer:

- q,3 :t_ C' ,2.

,.

. .

Q2) The width (W) of the paper is measured at a number of points on the sheet, and the values of the '}). observation widths .(in cm) are: 31.33 ,_31.15, 31.26, 31.02, 31..20. Calculate the accepted value-in

},; Wand ~W - -· 'J · Answer:

/

: 0 w -:. -; \ . \ c:1 c ·-- c~ . __:_; ---====::::___; ~)

\ 0 ' t,;. \ "1 6

Write the form of the following numbers correctly if it was incorrect.

The Number 9.82 ± 0.02685

10.0 ± 2 4 ± 0.5

U11iversity of Jorda11

Physics Departmellf

Student Name:

Practical Physics-1 Quiz #1

----~-----Student No.: ___ _

,~') The edge o~ the cub1

:, was measured by the veriner caliper as shown below. Calculate

~ . [r·\ /• . u ' ' } - ! r

I~-----

'

G

Answer:

L '"'<'

r

I ·:

.,-· - -, (-· - ~ .... ..: . .

I 2 / 3 4 5 Clll

/ I 111 11111 .111 111111 11111111 1 I1111 I 1111 I

1111111111-1 1 1 1 111 1 j 56 7 8910

< L '

~ ' ,, ~

ol.r < _,) . >--0 ""' ,. '1'. ,, <

c a( fS~~ .- . ..... . .(,

-~ ,, ~· ~ ~ '"' Q ~

~ ~ J '---/ \..\

Cl

c o? "\ 0 ,s;.. "5' ~

\ \S\

~.r (}>\ . ,,,.-Y Q.5) Find the reading of the ,;,icrometer.

Answer:

2811012013

Time: 25 mill

Section:

V± L1 V (in cm3) •

--,

C;ll ~'-'\......._ r------• ...= •

__ ~. ______ _.;;ey_v_.Ry_·a_.11

. ' 2 ,') I ~

l

University of Jordan

Physic~ Department

Student .Vame:

Practical Physics-1 Quiz #1

Student No.: ---------~~-

6) Refer t~ the graph beside, check by true <lIJ) or false 0 )

-----

. The relation between y and xis linear. v\ ; ) Sl-'-'"H\A '/ ,,....J x~ . The relation between y and x 3 is linear.

The relation can be represented by y = mx + b The relation can ·be represented by y = mx3 + b The relation can he represented by logy·= 3Iogx + logb

I c;.,

2811012013

Time: 25 mi11

Section:

y

'------- xJ

The relation between the time needed to empty the container "t'~ and the height "h '.'of the water in it is given by t = c 1i0·

6, where c is a constant. For a certain height, the time needed is 10 seconds. If the

height is doubled, then the time (in sec) needed is: . . .

, b) 14,J .~ . d) 16.9 . . e) 21.6

. ~ · ~ .... ,.~ ·

t::: "Ai :~ &/v 4~ ~

t --­\ c o•IJ o·b

y 1-\rt.

,,..,~·

bQ - \ · ~ \ i: •

CJ ,f; ~ 1... .

~he relation between the area (A) of several disks and their corresponding diameters (d) are given in ---::;;-/:,he shown gra . Th calculated value of 1C is: 8

a) 2.0 fl c) 0.79 d) 1.59 e) 3.18. Log A slope= 2 /

Logd

CJ· I • .I