DEPARTMENT DF PHYSICS
PHYS 105 FIFIST MIDTEHM EXAM mg M[NUTE5
Nov. 2D. 1999
(D MIDDLE EAST TECHNICAL UNNEHSITI TIME: TDTALEHADE
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LnsT NAME FInsT NAME. srun. ND. sroNnTuuF. seer.
IUHADES.
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PRUBLEM {I} (13 points}
Two blocks of mass m and 3111 are suspended by s massless string from a
massless1 fn' etjonless pallet.r which is hanging from a ceiling. The blocks are
released from rest. Neglect air resistance and give your answers in terms of
PRUELEM {1} {25 points}
In the gurc blacks A. H and C haw: weights cf 20 N1 113 N and 30 N. rcspcctivcly. Thc cccfcicnt cf
static frictiun hctwccn hlcucks .It and B is F; and the coefcient of kinetic fricticm between block A and the
laurimnlal surface is
PROBLEM {I} {III} pnints}
A hEItEEIIEI is trying tn land on a submarine dank which is moving mum at 4 mg. A. ti mt' wind is.
blnwing mm the treat. Relative to thc Submarine crew the helicopter i5 descending [mm-mg dnwn}
vertijy at 3 [IL-'3. (Him: TH = VPE
PROBLEM [I] [25 points}
At time t = D a model rueltet A red vertically from the ground ascends [gees up; climbs up} with a
constant. vertical, upward aeeeleratien E i'er 5 s. lts fuel is then nished. se it euntinues as a, freeFall
particle and then falls
MIDDLE EAST TECHNICAL UNIVERSlTY TIME: 1mm EM!
(D DEPARTMENT OF PHYSICS
PHYS 1G5 SECOND MIDTEHM EXHM mg MINUTES
L eta-amine
Fill in this I: with. u-net with neil
LAST NAME FIRST NAME mm! SIGNATURE SECT.
GRADES:
m
There are 4 classical type problems. '
Fall Semester (20121)
METU NCC
PHY 105 General Physics I {3580105)
7 January 2013
9:00 a.m. — 11:00 am.
Student Number
FINAL EXAM
Please Read!
Program
Calculators of any kind are not allowed.
Violators of this rule will be asked to leave the exam room
‘ No points will be given to ansWers without a clear scilution.’
Q1. Two masses (m1 = 1 kg and m2 = _2 kg) connected by a rope are sliding down an
inclined plane as shown in the figure. The incline makes an angle 9 = 53° with the
horizontal. The coefficie
KEY
METU NCC
Fa]! Semester (20122:)
PHY 105 General Physics I (35803.05)
MEDTERM EXAM .1;
30 March 2013
14:40 pm. m 16:22.0 31m.
Last Name Name Studem: Number Pregram I gamma
_ ee _ A_ a; _i
Piease Read!
Calcuéamrs of any kind are not aﬂiowed.
Ce”
METU NCC
2013-2014 Spring Semester (20132)
PHY 105 General Physics I (3580105)
MIDTERM EXAM 1
6 April 2014
9:40 a.m. — 11:10 am.
Student Number
Please Read!
Calculators of any kind are not allowed.
Cell phones are not allowed.
Violators of this rule wil
PROBLEM 1 of 4 (25 points)
Answers without work shown will not be given any credit.
A projectile is launched from the ground level to the top of a cliff
of height H with an initial velocity of 50 m/s directed 53 above
the horizontal. The projectile lands
PROBLEM (1) (20 points)
A solid insulating sphere of radius R has a volume charge
B
density that varies with r according to the expression
" = #r 2 where " is a positive constant and r < R is
A
R
measured from the center of the sphere. Concentric with the
PROBLEM (1) (25 points)
y
A positive charge Q is uniformly distributed over a quarter circle (one
fourth of a circle) of radius R. The charged quarter circle is located
!
dE
R
symmetrically relative to the x axis, as shown in the figure. The point P is
Q
PROBLEM (1) (25 points)
V(V)
A copper (Cu) wire has a resistance of 40.0 ! at 20.0 C. An aluminium
(Al) wire has three times the length and two times the diameter of the
600
copper wire. Both copper and aluminium have the same temperature
1
coefficient of
The square root is missing in the
result of the integral. Please
replace d^2 with(d^2+a^2)^1/2-a)
in the answer.
B
B
B
(Please include B in the solution)
(Please include B in the solution)
2
2
0.01
XXXX
XXX -4
xxxxxxx
Solution in part (ii) is wrong and it
PROBLEM (1) (25 points)
A rod of length L carries uniformly distributed positive total
y
charge Q and it lies along the x axis, as shown in the figure.
A charged particle with positive charge Q is located at the
point x = 0, y = r. Express your answers in
The square root is missing in the
result of the integral. Please
replace d^2 with(d^2+a^2)^1/2-a)
in the answer.
B
B
B
(Please include B in the solution)
(Please include B in the solution)
2
2
0.01
XXXX
XXX -4
xxxxxxx
Solution in part (ii) is wrong and it