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Introductory Physics Homework

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  1. micromass

    Guidelines for students and helpers

    Sep 23, 2014

    2

    4
    Replies: 2
  2. Mark44

    Hey! I posted here but now it's gone!

    May 10, 2014

    0

    5
    Replies: 0
  3. Doc Al

    Introductory Physics Formulary

    Mar 17, 2012

    6

    12
    Replies: 6
  1. vishnu 73

    Faraday's law circular loop with triangle

    Sep 26, 2017 at 6:07 AM

    19

    5
    Replies: 19
  2. Muthumanimaran

    finding maximum temperature

    Sep 26, 2017 at 4:11 AM

    1

    0
    Replies: 1
  3. Oomph!

    projection at an angle - throwing stones

    Sep 26, 2017 at 3:23 AM

    0

    0
    Replies: 0
  4. ecoo

    Momentum Differential Equation

    Sep 26, 2017 at 2:47 AM

    6

    2
    Replies: 6
  5. RJLiberator

    Electric Potential Question

    ... 2
    Sep 26, 2017 at 12:10 AM

    20

    10
    Replies: 20
  6. iluvfisics

    Bird on wire, tension

    Sep 25, 2017 at 11:57 PM

    6

    0
    Replies: 6
  7. Jimmy87

    Calculating Gravitational Potential

    Sep 25, 2017 at 10:50 PM

    3

    1
    Replies: 3
  8. eglaud

    Clarifying Newton's Third Law

    Sep 25, 2017 at 10:42 PM

    1

    0
    Replies: 1
  9. dchartier

    Simple Special Relativity Problem of Length Contraction

    Sep 25, 2017 at 9:43 PM

    1

    0
    Replies: 1
  10. Mohamed Abdul

    Question on corner and resonant frequencies

    Sep 25, 2017 at 9:29 PM

    0

    0
    Replies: 0
  11. Burke

    Calculating Final velocity and distance

    Sep 25, 2017 at 9:28 PM

    5

    0
    Replies: 5
  12. OmegaKV

    Vertical cables in a suspension bridge

    Sep 25, 2017 at 7:57 PM

    1

    1
    Replies: 1
  13. Cocoleia

    Analysis of a current mirror

    Sep 25, 2017 at 7:51 PM

    0

    0
    Replies: 0
  14. Bobs

    A problem with momentum

    Sep 25, 2017 at 6:01 PM

    1

    0
    Replies: 1
  15. Martyna

    Find the time dependence.... (Mechanics)

    Sep 25, 2017 at 3:51 PM

    2

    1
    Replies: 2
  16. grandpa2390

    Help me understand this Bra Ket Solution

    Sep 25, 2017 at 3:11 PM

    1

    0
    Replies: 1
  17. David89

    What is my water doing?

    Sep 25, 2017 at 1:44 PM

    7

    0
    Replies: 7
  18. rodrale25

    Finding the Acceleration of masses on a pulley

    Sep 25, 2017 at 1:29 PM

    1

    0
    Replies: 1
  19. Huski

    tension from two carts & hanging object on pulley

    Sep 25, 2017 at 1:26 PM

    7

    3
    Replies: 7
  20. Alexanddros81

    A child slides down the helical water slide AB (Polar Coordinates)

    Sep 25, 2017 at 11:49 AM

    4

    0
    Replies: 4
  21. grandpa2390

    Determine Field Gradient of a Stern Gerlach Magnet...

    Sep 25, 2017 at 11:31 AM

    3

    2
    Replies: 3
  22. ficku1

    Angle of Projectile motion

    Sep 25, 2017 at 11:28 AM

    3

    0
    Replies: 3
  23. yecko

    Isentropic process (temperature and pressure relationship)

    Sep 25, 2017 at 8:51 AM

    3

    2
    Replies: 3
  24. Anonymous_001

    Relationship between Launch Angle & Horizontal Distance

    Sep 25, 2017 at 8:20 AM

    15

    11
    Replies: 15
  25. ficku1

    Stationary temperature field inside a house

    Sep 25, 2017 at 8:10 AM

    0

    0
    Replies: 0
  26. yecko

    coefficient of lift

    Sep 25, 2017 at 4:36 AM

    2

    2
    Replies: 2
  27. CGandC

    Mechanical energy of a block sliding on a circular path

    Sep 25, 2017 at 2:15 AM

    18

    0
    Replies: 18
  28. soupleaf

    Find angle between displacement and velocity vector

    Sep 25, 2017 at 1:48 AM

    3

    0
    Replies: 3
  29. thejosh

    Trig ratio solve for theta

    Sep 25, 2017 at 1:41 AM

    6

    0
    Replies: 6
  30. pow

    AP Physics 1 kinematics problem

    Sep 25, 2017 at 1:02 AM

    1

    0
    Replies: 1
  31. UserOfPhysics

    How rubbing a needle on a magnet affects its polarity

    Sep 24, 2017 at 11:00 PM

    5

    1
    Replies: 5
  32. RJLiberator

    Help me find the Potential V from a situation with charge

    ... 2
    Sep 24, 2017 at 10:55 PM

    27

    21
    Replies: 27
  33. anothertangent

    Distance of box pushed up incline by spring

    Sep 24, 2017 at 10:08 PM

    1

    0
    Replies: 1
  34. Noreturn

    Vector Manipulation Equation

    Sep 24, 2017 at 9:27 PM

    11

    1
    Replies: 11
  35. pow

    AP PHYSICS 1 Kinematics falling with deceleration

    Sep 24, 2017 at 9:25 PM

    1

    0
    Replies: 1
  36. KiwiThief

    Calculating the height of a cliff given only time to the splash

    Sep 24, 2017 at 8:04 PM

    8

    2
    Replies: 8
  37. Cepterus

    Mass point sliding down a sphere

    ... 2
    Sep 24, 2017 at 6:49 PM

    23

    1
    Replies: 23
  38. Bob Johnson

    Help with finding Normal Force of inclined plane

    Sep 24, 2017 at 6:05 PM

    1

    0
    Replies: 1
  39. Miliman13

    Why is it necessary to derive the given velocity

    Sep 24, 2017 at 5:59 PM

    8

    2
    Replies: 8
  40. pow

    AP Physics 1 Kinematics problem

    Sep 24, 2017 at 5:17 PM

    1

    1
    Replies: 1
  41. prokaryote

    Calculate strength of the electric field at indicated point

    Sep 24, 2017 at 4:11 PM

    5

    0
    Replies: 5
  42. isorounded

    EMF and internal resistance laboratory work

    Sep 24, 2017 at 3:29 PM

    4

    1
    Replies: 4
  43. Storm6436

    Change in r-hat by change in theta

    Sep 24, 2017 at 2:21 PM

    3

    2
    Replies: 3
  44. johan146

    Harmonic Motion

    Sep 24, 2017 at 1:18 PM

    6

    1
    Replies: 6
  45. Gabriel Maia

    What happens to the electric field's phase upon reflection?

    Sep 24, 2017 at 1:14 PM

    2

    0
    Replies: 2
  46. Orson

    distance/velocity problem

    Sep 24, 2017 at 12:40 PM

    19

    3
    Replies: 19
  47. Tanishq Nandan

    Negative refractive index

    Sep 24, 2017 at 11:44 AM

    6

    0
    Replies: 6
  48. kdrobinson

    Kinetic Friction Coefficient

    Sep 24, 2017 at 3:51 AM

    13

    0
    Replies: 13
  49. Rachel79

    biomechanics question vertical velocity

    Sep 24, 2017 at 1:42 AM

    2

    0
    Replies: 2
  50. A_Sushi

    Horizontal distance

    Sep 24, 2017 at 1:37 AM

    4

    1
    Replies: 4
  51. Amplitude

    Induced EMF between two points

    ... 2
    Sep 23, 2017 at 10:37 PM

    23

    7
    Replies: 23
  52. ScreamingIntoTheVoid

    Atwood's machine Confusion

    Sep 23, 2017 at 10:25 PM

    13

    3
    Replies: 13
  53. Tiago3434

    Electric field inside non-conducting spherical shell

    Sep 23, 2017 at 5:52 PM

    3

    0
    Replies: 3
  54. sid0123

    Time period of small oscillations of the point dipole

    ... 3
    Sep 23, 2017 at 4:46 PM

    52

    1
    Replies: 52
  55. Cosmophile

    How Many Sig Figs Given Error Range?

    Sep 23, 2017 at 3:52 PM

    2

    1
    Replies: 2
  56. GoghAway

    What time did they both set off?

    Sep 23, 2017 at 11:40 AM

    3

    1
    Replies: 3
  57. SciencyBoi

    How to differentiate b/w a conservative/non-conservative force?

    Sep 23, 2017 at 7:09 AM

    3

    2
    Replies: 3
  58. yecko

    Specific heat at constant pressure

    Sep 23, 2017 at 6:23 AM

    3

    0
    Replies: 3
  59. Davidf77

    Components of the equivalent moment at a point

    Sep 23, 2017 at 12:43 AM

    3

    0
    Replies: 3
  60. Vriska

    Pulley constraints problem

    ... 2
    Sep 23, 2017 at 12:24 AM

    21

    0
    Replies: 21
  61. *now*

    Photoelectric effect calculation

    Sep 22, 2017 at 1:03 PM

    8

    0
    Replies: 8
  62. Ying99

    Momentum Involving Height

    Sep 22, 2017 at 11:23 AM

    1

    0
    Replies: 1
  63. GaussianSurface

    How can I find the torque/moment of force about an axis?

    ... 2
    Sep 22, 2017 at 11:15 AM

    23

    0
    Replies: 23
  64. imas145

    Calculating capacitance from an AC circuit

    Sep 22, 2017 at 11:07 AM

    7

    2
    Replies: 7
  65. emxlys

    SHM Energy Conservation in a Spring

    Sep 22, 2017 at 10:49 AM

    3

    0
    Replies: 3
  66. FScheuer

    Block on an inclined plane that is accelerating sideways

    ... 2
    Sep 22, 2017 at 10:39 AM

    27

    11
    Replies: 27
  67. vishnu 73

    Falling pole leaning on a wall

    Sep 22, 2017 at 10:32 AM

    13

    3
    Replies: 13
  68. EmmaB03

    Range of projectile

    Sep 22, 2017 at 10:01 AM

    1

    0
    Replies: 1
  69. Alexanddros81

    Cloverleaf highway interchange - determine car acceleration

    Sep 22, 2017 at 8:44 AM

    4

    0
    Replies: 4
  70. blueblast

    Forces on a plane exerted by a ball

    Sep 22, 2017 at 8:17 AM

    14

    6
    Replies: 14
  71. Epoch

    Electricity: electric field in a point Between Two Charges

    Sep 22, 2017 at 7:54 AM

    3

    1
    Replies: 3
  72. BirdieGone

    Decibel Intensity level question

    Sep 22, 2017 at 3:49 AM

    5

    2
    Replies: 5
  73. Armin

    Expressing the addition of two sinusoidal waves this form.

    Sep 22, 2017 at 2:14 AM

    4

    0
    Replies: 4
  74. Marcos Leo

    Maximum force of object

    Sep 22, 2017 at 1:53 AM

    1

    0
    Replies: 1
  75. Mohamed Abdul

    Question About Duty Cycle and Average Value of a Square Wave

    Sep 22, 2017 at 1:38 AM

    3

    0
    Replies: 3
  76. Matt21

    Y coordinate of a charged particle

    Sep 21, 2017 at 9:01 PM

    9

    0
    Replies: 9
  77. Alexanddros81

    Determine the angular speed ##\dotθ## of the arm OC

    Sep 21, 2017 at 1:40 PM

    3

    0
    Replies: 3
  78. mathnerd21

    What is the angle and displacement of the plane?

    Sep 21, 2017 at 1:30 PM

    1

    0
    Replies: 1
  79. James2911

    Questions about Magnetism

    Sep 21, 2017 at 12:16 PM

    0

    0
    Replies: 0
  80. isorounded

    Electric power and internal resistance

    Sep 21, 2017 at 11:12 AM

    4

    2
    Replies: 4
  81. terryds

    Norton equivalen circuit problem

    Sep 21, 2017 at 8:24 AM

    8

    1
    Replies: 8
  82. SJay16

    Finding the uncertainty in delta y?

    Sep 21, 2017 at 2:26 AM

    2

    0
    Replies: 2
  83. juju1

    Vectors, how to find average acceleration

    Sep 21, 2017 at 1:23 AM

    13

    0
    Replies: 13
  84. Mickael14

    Finding electric potential given two point charges

    Sep 20, 2017 at 7:17 PM

    2

    0
    Replies: 2
  85. Mickael14

    Strength of electric field given potential difference

    Sep 20, 2017 at 2:31 PM

    4

    2
    Replies: 4
  86. Pushoam

    Measuring the output from a Transistor Amplifier

    Sep 20, 2017 at 12:44 PM

    6

    2
    Replies: 6
  87. Zer0

    Auto-Closing Gate (Relative Acceleration problem homework)

    ... 3
    Sep 20, 2017 at 12:24 PM

    42

    0
    Replies: 42
  88. Alexanddros81

    The rod OB rotates counterclockwise about O (Polar Coord.)

    Sep 20, 2017 at 11:58 AM

    5

    0
    Replies: 5
  89. emxlys

    Energy Transformation Question

    Sep 20, 2017 at 11:52 AM

    2

    1
    Replies: 2
  90. Alexanddros81

    The collar B slides along a guide rod (Polar Coord.)

    Sep 20, 2017 at 11:43 AM

    3

    0
    Replies: 3
  91. Muthumanimaran

    Particle in one-dimensional harmonic oscillator

    Sep 20, 2017 at 9:33 AM

    7

    1
    Replies: 7
  92. Jack G

    Static Friction Problem

    Sep 20, 2017 at 8:43 AM

    7

    1
    Replies: 7
  93. Ian Baughman

    Density of an ideal gas as a function of height

    Sep 20, 2017 at 7:20 AM

    17

    5
    Replies: 17
  94. Vibhor

    Peculiar pulley problem

    Sep 20, 2017 at 2:16 AM

    3

    2
    Replies: 3
  95. Brendan Webb

    Electric Field of Equilateral Triangle

    Sep 19, 2017

    2

    0
    Replies: 2
  96. Stefan

    Work to pump out air from cylinder

    Sep 19, 2017

    3

    0
    Replies: 3
  97. tesla111

    Basic Question about Relativity Reference Frame Shifts

    Sep 19, 2017

    2

    0
    Replies: 2
  98. peterpan1492

    Resistor, circuit

    Sep 19, 2017

    9

    1
    Replies: 9
  99. Elvis 123456789

    Collision of alpha with Be -> C + gamma

    Sep 19, 2017

    1

    0
    Replies: 1
  100. John Kim

    Circular Motion and the Law of Gravitation -- question

    Sep 19, 2017

    1

    0
    Replies: 1
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