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Introductory Physics Homework

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  1. micromass

    Guidelines for students and helpers

    Sep 23, 2014

    2

    1
    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. Pushoam

    Calculating force between capactor plates using virtual work

    May 26, 2017 at 12:17 AM

    4

    1
    Replies: 4
  2. Graydon Hope

    Finding the Angle When the Crate Begins to Slip

    May 25, 2017 at 11:45 PM

    6

    1
    Replies: 6
  3. HAYAO

    Dimensional analysis: Energy Transfer

    May 25, 2017 at 11:35 PM

    6

    0
    Replies: 6
  4. ConfusedMonkey

    Calculate airplane's acceleration

    May 25, 2017 at 8:06 PM

    1

    0
    Replies: 1
  5. control

    Wheatstone bridge

    May 25, 2017 at 8:06 PM

    5

    0
    Replies: 5
  6. No1_129848

    Force/time graph acceleration problem

    May 25, 2017 at 7:48 PM

    8

    0
    Replies: 8
  7. Adam Rabe

    Easy torque question

    May 25, 2017 at 6:23 PM

    5

    0
    Replies: 5
  8. fedecolo

    Two wheels rotating connected by a rod

    May 25, 2017 at 4:41 PM

    19

    2
    Replies: 19
  9. fedecolo

    Block in a rotating cylinder

    ... 2
    May 25, 2017 at 2:07 PM

    20

    4
    Replies: 20
  10. Olivia Tarca

    Speed at Takeoff and Average Acceleration

    May 25, 2017 at 11:02 AM

    8

    1
    Replies: 8
  11. Wimpalot

    Problem involving thermal radiation and specific heat

    May 25, 2017 at 7:27 AM

    11

    2
    Replies: 11
  12. HPPAS

    Bond lengths in Cycloocta - 1,3,6 - triene

    N/A

    –
    Replies: –
  13. Adam Rabe

    Percentage transmittance gamma ray through lead

    May 25, 2017 at 3:07 AM

    2

    0
    Replies: 2
  14. Pizza Pasta physics

    2-body scattering and Mandelstam Variables

    May 25, 2017 at 1:40 AM

    1

    0
    Replies: 1
  15. Phys112

    Friction between cart and a surface covered with a liquid?

    May 24, 2017 at 8:18 PM

    6

    0
    Replies: 6
  16. Kallum

    Angular Velocity

    May 24, 2017 at 8:11 PM

    4

    2
    Replies: 4
  17. Adam Rabe

    Tone hearing frequency concept question

    May 24, 2017 at 5:25 PM

    15

    1
    Replies: 15
  18. DevonZA

    Thickness of a cylinder in a compound thin cylinder

    ... 2
    May 24, 2017 at 2:52 PM

    39

    1
    Replies: 39
  19. Pete Moore

    particle Reynolds number / max entrained particle size

    N/A

    –
    Replies: –
  20. sohjau

    What is with this projectile simulation?

    May 24, 2017 at 5:33 AM

    1

    0
    Replies: 1
  21. Arne H

    Moseley's law and the determination of the screening constant

    May 24, 2017 at 4:56 AM

    3

    0
    Replies: 3
  22. Adam Rabe

    How to calculate wavelength electron given speed

    May 24, 2017 at 2:04 AM

    2

    0
    Replies: 2
  23. srecko97

    numerical integration in Python (throwing a ball)

    May 23, 2017 at 7:23 PM

    6

    0
    Replies: 6
  24. Marcus95

    Change in electrostatic energy on two spheres

    May 23, 2017 at 5:11 PM

    3

    0
    Replies: 3
  25. Buffu

    Pulley system on a big block

    May 23, 2017 at 3:56 PM

    5

    1
    Replies: 5
  26. Taylor_1989

    polarization between 3 sheets intensity

    May 23, 2017 at 3:28 PM

    1

    0
    Replies: 1
  27. FranzDiCoccio

    electric potential of charged concentric spheres

    May 23, 2017 at 3:20 PM

    3

    0
    Replies: 3
  28. Vibhor

    Ring rolling without slipping

    ... 2
    May 23, 2017 at 12:08 PM

    31

    8
    Replies: 31
  29. Buffu

    Tension in a rope hanging between two trees

    May 23, 2017 at 10:52 AM

    7

    0
    Replies: 7
  30. Deadawake

    Elastic collision -- Energy & Momentum

    May 23, 2017 at 8:55 AM

    16

    3
    Replies: 16
  31. Jahromi24

    Gamma of a gas mixture

    May 23, 2017 at 4:50 AM

    8

    1
    Replies: 8
  32. Catchingupquickly

    Falling Cantaloupe - Distance Above Ground

    May 23, 2017 at 12:27 AM

    2

    0
    Replies: 2
  33. paulie

    Finding charge given the electric field at origin is zero

    May 22, 2017 at 8:56 PM

    1

    1
    Replies: 1
  34. Notaphysicsmajor

    What direction does a compass point to in a magnetic field?

    May 22, 2017 at 8:07 PM

    5

    0
    Replies: 5
  35. Arman777

    EM waves -- Energy Calculation

    May 22, 2017 at 2:17 PM

    4

    0
    Replies: 4
  36. Maryam9

    Vertical and horizontal components,physics As level help :(

    May 22, 2017 at 12:06 PM

    5

    1
    Replies: 5
  37. Arman777

    RLC circuit with DC

    ... 2
    May 22, 2017 at 11:10 AM

    36

    2
    Replies: 36
  38. vishnu 73

    Trebuchet physics problem

    ... 2
    May 22, 2017 at 10:24 AM

    26

    2
    Replies: 26
  39. Karol

    Michelson-Morley experiment

    May 22, 2017 at 6:24 AM

    3

    0
    Replies: 3
  40. Mogdan

    Inclined plane in a circular motion

    May 22, 2017 at 1:16 AM

    17

    3
    Replies: 17
  41. Wimpalot

    Flute player initial frequency?

    May 21, 2017 at 2:38 PM

    7

    2
    Replies: 7
  42. tmlfan_17

    RC Circuit defibrillator Question

    May 21, 2017 at 1:37 PM

    2

    1
    Replies: 2
  43. Asmaa Mohammad

    The sensitivity of the galvanometer

    May 21, 2017 at 12:27 PM

    3

    1
    Replies: 3
  44. 125.6

    AQA AS physics question

    May 21, 2017 at 11:57 AM

    3

    0
    Replies: 3
  45. SDTK

    Electric currents and Magnetic fields

    May 21, 2017 at 9:57 AM

    2

    1
    Replies: 2
  46. ChrisJ

    Laser Physics - Diameter of a Spot on the Moon from a Laser

    May 21, 2017 at 9:52 AM

    6

    2
    Replies: 6
  47. Buffu

    Simple Differential equation problem -- Block sliding inside a ring on a table...

    May 21, 2017 at 9:50 AM

    7

    1
    Replies: 7
  48. Buffu

    Spinning block with decreasing radius

    May 21, 2017 at 9:43 AM

    11

    0
    Replies: 11
  49. Arman777

    max values of current and charge using differential equations

    May 21, 2017 at 8:08 AM

    13

    0
    Replies: 13
  50. Rahulrj

    Minimum Kinetic energy of the hydrogen atom

    ... 2
    May 21, 2017 at 6:23 AM

    22

    0
    Replies: 22
  51. David23454

    Field strength to deflect electron in a cathode-ray tube

    May 21, 2017 at 4:56 AM

    16

    0
    Replies: 16
  52. Physicist1234

    SMH-Block Attached to a spring

    May 21, 2017 at 3:22 AM

    6

    1
    Replies: 6
  53. Buffu

    Help in understanding a question about a pebble and a wheel and friction...

    May 20, 2017 at 11:58 PM

    5

    0
    Replies: 5
  54. Joseph Phan

    Sound Waves in Different Mediums

    May 20, 2017 at 6:08 PM

    3

    0
    Replies: 3
  55. Buffu

    Sign change problem :(.

    May 20, 2017 at 4:45 PM

    11

    0
    Replies: 11
  56. Deadawake

    Splitting/Exploding object & Momentum

    May 19, 2017

    5

    0
    Replies: 5
  57. JordanD

    Antenna Problem

    May 19, 2017

    1

    0
    Replies: 1
  58. Lamar Ngolo

    Phase difference and Standing waves vs Progressive waves

    May 19, 2017

    5

    0
    Replies: 5
  59. chem31sa6

    Doppler Effect?

    May 19, 2017

    6

    0
    Replies: 6
  60. gmark

    Path length in a cyclotron

    May 19, 2017

    4

    0
    Replies: 4
  61. fedecolo

    Statics on an inclined plane

    May 19, 2017

    17

    0
    Replies: 17
  62. Asmaa Mohammad

    The voltage across an AC source and a resistance in series

    May 19, 2017

    4

    0
    Replies: 4
  63. watthappening

    Angle for magnetic flux

    May 19, 2017

    8

    0
    Replies: 8
  64. Pouyan

    Energy and Compton scattering

    May 19, 2017

    1

    0
    Replies: 1
  65. doktorwho

    Question regarding a magnetic field path around a gapped core

    May 19, 2017

    8

    0
    Replies: 8
  66. iwan97

    Projectile Motion of spear throw

    May 19, 2017

    3

    0
    Replies: 3
  67. SqueeSpleen

    Pulley problem

    May 19, 2017

    3

    0
    Replies: 3
  68. Ali Baig

    Points on an elliptical orbit where V(radia) is zero.

    May 19, 2017

    2

    0
    Replies: 2
  69. Tommtb

    Pressure drops in hydraulic dampers

    May 19, 2017

    5

    0
    Replies: 5
  70. Pushoam

    Relation between Levi-civita and Kronecker- delta symbol

    May 19, 2017

    2

    0
    Replies: 2
  71. Alex126

    Thermal expansion

    May 19, 2017

    2

    1
    Replies: 2
  72. ConfusedMonkey

    Force exerted on block

    May 19, 2017

    14

    7
    Replies: 14
  73. Ithilrandir

    Finding distance traveled by rebound when measured for surface

    May 18, 2017

    13

    1
    Replies: 13
  74. ikihi

    Pair production problem

    May 18, 2017

    5

    1
    Replies: 5
  75. Crowxe

    Findings need confirmation about change of weight

    ... 2
    May 18, 2017

    30

    1
    Replies: 30
  76. Dinie

    Resistance of rice cooker's heating element?

    May 18, 2017

    10

    0
    Replies: 10
  77. Tellerath

    Water flowing from one vertical cylinder to another

    May 18, 2017

    1

    1
    Replies: 1
  78. Ceva

    Olympiad Mechanics problem (torque)

    ... 2
    May 18, 2017

    38

    0
    Replies: 38
  79. Pushoam

    Variation of EM radiation with frequency

    May 18, 2017

    2

    0
    Replies: 2
  80. HPPAS

    Change in Earth's gravity & rotational KE due to changes in Radius

    May 18, 2017

    15

    1
    Replies: 15
  81. Pushoam

    Generalized Galilean transformation

    May 18, 2017

    4

    1
    Replies: 4
  82. Darthkostis

    Minimum Height of a Vertical Reflector

    ... 2
    May 18, 2017

    26

    0
    Replies: 26
  83. Yoonique

    Block slides across a sled on frictionless ice...

    May 18, 2017

    14

    0
    Replies: 14
  84. Necm

    Demo for archimedes principle

    May 18, 2017

    1

    0
    Replies: 1
  85. Pushoam

    Acceleration associated with the Earth’s spin

    May 18, 2017

    8

    1
    Replies: 8
  86. Ketchup4684

    Calculating total resistance of a combination circuit

    May 17, 2017

    19

    2
    Replies: 19
  87. a1234

    Circuit Problem -- Combining 4 resistors to make 95 Ohms

    May 17, 2017

    10

    1
    Replies: 10
  88. ikihi

    A hydrogen atom transitions from n= 5 state to the ground state

    May 17, 2017

    3

    0
    Replies: 3
  89. Bunny-chan

    Interesting physics topic for a presentation

    May 17, 2017

    5

    0
    Replies: 5
  90. Eagertolearnphysics

    Diffraction grating problem

    May 17, 2017

    10

    1
    Replies: 10
  91. Tommtb

    Calculating damping force

    May 17, 2017

    3

    0
    Replies: 3
  92. ikihi

    What is the work function of the photoelectric material?

    May 17, 2017

    3

    1
    Replies: 3
  93. TheStudent77888

    Buoyancy question -- A raft with different loads...

    May 17, 2017

    3

    0
    Replies: 3
  94. Buffu

    How to distribute the charge between two spheres to minimize the potential?

    ... 2
    May 17, 2017

    24

    3
    Replies: 24
  95. says

    What is the energy of the alpha particle and recoiling nucleus?

    May 17, 2017

    9

    0
    Replies: 9
  96. cake-jake1

    Intensity after Laser Round Trip

    May 17, 2017

    2

    0
    Replies: 2
  97. Faiq

    Direction of Normal force

    May 17, 2017

    8

    0
    Replies: 8
  98. Worthatry

    Freewheeling bicycle and friction

    May 17, 2017

    6

    1
    Replies: 6
  99. Jimmy87

    Physics High Jump Question

    May 17, 2017

    4

    1
    Replies: 4
  100. randomgamernerd

    Equivalent capacitance of a system of 2 spheres

    May 16, 2017

    3

    1
    Replies: 3
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