1. Physics

    50.0pJ of energy is stored in a 3.00cm × 3.00cm × 3.00cm region of uniform electric field.

    asked by Anonymous on May 9, 2014
  2. Electricity

    50.0pJ of energy is stored in a 3.00cm × 3.00cm × 3.00cm region of uniform electric field. What is the strength of the field?

    asked by Anonymous on May 9, 2014
  3. physics

    An electric dipole is made of two charges of equal magnitudes and opposite signs. The positive charge, q = 1.0μC, is located at the point (x, y, z) = (0.00cm, 1.0cm, 0.00cm), while the negative charge is located at the point (x, y, z) = (0.00cm,−1.0cm,

    asked by mela on April 20, 2016
  4. physics

    "Charges of 2.00uc and -3.00uc are located in a coordinate plane at(2.00cm, 5.00 cm) and (3.00cm, 2.00cm) respectively. calculate the magnitude and direction of the electric field created by this pair at the origin. express your answer in both polar and

    asked by seahill on February 1, 2011
  5. Physics 2 Charges what is the magnitude at point P

    Two charges, Q1= 3.20 microCoulombs, and Q2=5.90 microCoulombs, are located at points (0,-2.00cm) and (0,+2.00cm. What is the magnitude of the electric field at point P, located at (5.00cm,0), due to Q1 alone?

    asked by Mike on February 11, 2011
  6. Physics II

    Two charges, Q1= 3.20 microCoulombs, and Q2=5.90 microCoulombs, are located at points (0,-2.00cm) and (0,+2.00cm. What is the magnitude of the electric field at point P, located at (5.00cm,0), due to Q1 alone?

    asked by John on February 11, 2011
  7. physics

    "Charges of 2.00uc and -3.00uc are located in a coordinate plane at(2.00cm, 5.00 cm) and (3.00cm, 2.00cm) respectively. calculate the magnitude and direction of the electric field created by this pair at the origin. express your answer in both polar and

    asked by seahill on February 1, 2011
  8. chem

    a rectangular block of the element barium is 5.00cm long , 3.00cm wide and 1.00cm high and it weighs 52.5g. what is the density of the element barium?

    asked by kristie on September 27, 2011
  9. chemistry

    a rectangular block of the element barium is 5.00cm long , 3.00cm wide and 1.00cm high and it weighs 52.5g. what is the density of the element barium?

    asked by kristie on September 27, 2011
  10. maths

    find volume and curved surface area of a cone of radius 6.00cm and perpendicular height 8.00cm

    asked by mark on October 16, 2012
  11. Chemistry

    An object of unknown metal has the following dimensions: 5.00cm long, 2.00cm wide, and 3.00cm tall. The mass of the block is known to be 79.5g. #10 What is the formula for density? 1 point D = V/m D = m/V * D = g/mL D = m x V #11 What is the volume of the

    asked by Ben Folds on February 6, 2019
  12. Physics

    A charge q1 = 5.00nC is placed at the origin of an xy-coordinate system, and a charge q2 = -2.00nC is placed on the positive x axis at x= 4.00cm . If a third charge q3 = 6.50nC is now placed at the point x= 4.00cm , y= 3.00cm find the x and y components of

    asked by Molly on September 7, 2014
  13. physics

    Two forces, of magnitudes F1= 80.0N and F2= 50.0N, act in opposite directions on a block, which sits atop a frictionless surface, as shown in the figure. Initially, the center of the block is at position x1= -3.00cm. At some later time, the block has moved

    asked by physics please show steps on June 15, 2011
  14. Physics

    The pistons of a hydraulic press have radii of 2.00cm and 12.00cm, respectively. A) What force must be applied to the smaller piston to exert a force of 5250N on the larger piston? B) What is the pressure in (N/cm2) on each piston? C) What is the

    asked by Joe on November 16, 2014
  15. Physics, Calculus(alot of stuff together)= HELP!!

    A rod extending between x=0 and x= 14.0cm has a uniform cross- sectional area A= 9.00cm^2. It is made from a continuously changing alloy of metals so that along it's length it's density changes steadily from 2.70g/cm^3 to 19.3g/cm^3. a) Identify the

    asked by ~christina~ on September 16, 2007
  16. Physics

    a charge q1=5.00nc is placed at the origin of an xy-coordinate system ,and a charge q2=-2.00nc is placed on the positive x-axis at x=4.00cm (a.) if a third charge q3=6.00nc is now placed at the point x=4cm, y=3.00cm. find the x and y components of the

    asked by Favi on May 11, 2017
  17. Physics, Calculus(alot of stuff together)= HELP!!!

    ~it was bumped over to the next page so I recopied it and added my answer for the question and was wondering if my integration was correct since you said DrWls:I forgot t use the expression B + Cx for p, and used A + Bx instead. The method of solution is

    asked by ~christina~ on September 16, 2007
  18. Chemistry

    Quantitative anaylsis of cl- ion is often performed by a titration with silver nitrate, using sodium chromate as an indicator. As standardized AgNo3 is addded, both white AgCl and red Ag2CrO4 precipitate, but so long as some cl- remains, the Ag2CrO4

    asked by MEG on October 31, 2010
  19. Physics

    Two identical pucks are set on a collision course on an air table. After the collision, puck A has a final velocity of 5.00cm/s at an angle of 28 degrees from the vertical and puck B has a final velocity of 4.00cm/s at an angle of 32 degrees from the

    asked by dklskd on March 30, 2017
  20. Physics

    Two identical pucks are set on a collision course on an air table. After the collision, puck A has a final velocity of 5.00cm/s at an angle of 28 degrees from the vertical and puck B has a final velocity of 4.00cm/s at an angle of 32 degrees from the

    asked by Tony on March 30, 2014
  21. Math

    I have another question. If I have 3.14 cm^2/(2.00cm/2)^2 would it be 3.14 cm?

    asked by Soly on August 27, 2007
  22. physics

    A UNIFORM DISC 6.00CM IN RADIUS ROTATES AT A CONSTANT RATE OF 1200REV/MIN ABOUT ITS CENTRAL AXIS.DETERMINE ITS ANGULAR SPEED AND THE TOTAL DISTANCE A POINT THE RIM MOVE IN 3.00S.

    asked by feston on January 15, 2018
  23. PHYSICS-electricity & magnetism

    An electric field exits inside a fluorescent tube of diameter 3.00cm. In one second, 2.00x10^18 electrons and 0.50x10^18 positive ions pass through a certain cross section. What is the current in the tube?

    asked by Brandon on February 24, 2012
  24. Physics

    Three charges are placed at the vertices of an isosceles triangle as shown in the figure. If q = 5.00 μC, calculate the electric potential at the midpoint of the base of the triangle. Also calculate the electric field vector at the same point due to the 3

    asked by Bella on October 25, 2014
  25. Physics Problem

    A 3.00-kg mass is fastened to a light spring that passes over a pulley. They pulley is frictionless, and its inertia may be neglected. The mass is released from rest when the spring is unstretched. If the mass drops 10.0cm before stopping, find (a) the

    asked by kimberley on March 21, 2007
  26. physics

    state the precision of the measured quantities 1. 353g 2. 6.00cm please explain

    asked by samuel on February 4, 2015
  27. physics

    the speed of a certain wave is 3.00cm/s. if its frequency is 0.20hz, what are its wavelength and period

    asked by mark daniel on October 13, 2016
  28. Physics

    An electric dipole is formed from two charges, ±q, spaced 1.00cm apart. The dipole is at the origin, oriented along the y-axis. The electric field strength at the point (x,y)=(0cm,10cm) is 320N/C . What is the charge q? Give your answer in nC. What is the

    asked by Allison on February 21, 2014
  29. TRIG

    find the degree measure of a central angle subtended by an arc of 8.00cm in a circle with circumference 20.0cm

    asked by Mel on October 2, 2012
  30. Physics

    A force of 800 N stretches a spring a distance 0.200 m horizontally. a) What is the potential energy of the spring when it is stretched 0.200m b) What is its potential energy when it is compressed 5.00cm This is a conservation of energy problems. The

    asked by Sonya on May 20, 2014
  31. Physics

    How fast (in rpm) must a centrifuge rotate if a particle 9.00cm from the axis of rotation is to experience an acceleration of 115,000g's?

    asked by Emily Grossman on February 23, 2011
  32. physics

    A block of wood is 8.00cm long, 20.0cm high, and 0.10m wide. its mass is 1.00kg. what is its density in g/cm3?

    asked by Anonymous on August 24, 2016
  33. chemistry

    A CUBIC PIECE OF METER MEASURES 3.00CM ON EACH EDGE. IF THE METAL IS NICKLE WHOSE DENSITY IS 8.90G/CM^3.WHAT IS THE MASS OF CUBE

    asked by kem on August 18, 2012
  34. Physics

    How do you solve this problem? How fast (in rpm) must a centrifuge rotate if a particle 9.00cm from the axis of rotation is to experience an acceleration of 115,000 g's?

    asked by Emily Grossman on February 21, 2011
  35. Physics

    A rod extending between x = 0 and x = 17.0 cm has uniform cross-sectional area A = 7.60 cm 2 . It is made from a continuously changing alloy of metals so that along its length its density changes steadily from 2.00 g/cm 3 to 18.7 g/cm 3 .(a) Identify the

    asked by Abraham on September 26, 2012
  36. Chemistry

    FB1 is a solution containing a mixture of potassium carbonate and sodium hydrogen carbonate . 25cm^3 of this mixture was to titrated against 0.250mol/dm^3 solution of HCL. In one titration using phenolphthalein as indicator, 10.00cm^3 of the acid was

    asked by Diane on February 21, 2016
  37. Physics

    How high would you have to lift a 0.294N mouse to do the same amount of work that you would do if you lift a 6.87 kN elephant 1.00cm?

    asked by Chad on April 11, 2016
  38. testing of materials

    Could you please show me how to solve this problem ! Volume= 1.00cm^3,mass of water= 0.49 g, dry mass= 1.32 g, RD=2.70

    asked by michael on February 8, 2011
  39. Chemistry

    The density of iron is 7.87 . What is the mass of a (variable l)* 4.00cm * 1.00 cm block of iron?

    asked by Mely on August 27, 2010
  40. College physics

    150 pJ of energy is stored in a 1.0 cm times 1.0 cm times 1.0 cm region of uniform electric field. What is the electric field strength?

    asked by Emoni on July 14, 2010
  41. physics

    A spiral spring extends from length 10.01m to 10.00cm when a force of 20N is applied on it. Calculate the constant force

    asked by lola on September 19, 2017
  42. chemistry

    The density of iron is 7.87 . What is the mass of a l* 4.00cm * 1.00 cm block of iron?

    asked by Mely on August 27, 2010
  43. Chem II

    Find the mass of sodium formate that must be dissolved in 200.00cm^3 of a 1.0M solution of formic acid to prepare a buffer solution with pH=3.40? I have no clue how to work this out. Please help me.

    asked by Bianca on November 19, 2012
  44. physics

    A flexible metal sheet of length 6.0cm, breadth 5.00cm and the average thickness of 0.883cm has a mass of 23.00g. calculate the density of the metal

    asked by betty on October 18, 2012
  45. physics

    Find the required angular speed, ω, of an ultracentrifuge for the radial acceleration of a point 2.00cm from the axis to equal 6.00×105 g (where g is the acceleration due to gravity).

    asked by Anonymous on May 27, 2014
  46. Chemistry 102

    Using your average value for Kc (6.92x10^2) and the concentrations provided for the reactants (0.00111mol/L for both), determine the absorbance expected when a 16.00mL of Fe3+ is reacted with 10.00ml of SCN and measured in a 1.00cm cuvette.

    asked by Taylor on January 27, 2016
  47. phySICS NEED HELP ASAP

    Sally the bug has an initial speed of 20.0cm/s. She then accelerates at 8.00cm/s^2 for 5.00s. calculate sallys total displacement? which i did and got 200 cm Displacement during the 5th second? can you please help and show all work

    asked by sarah on January 6, 2015
  48. physics

    Sally the bug has an initial speed of 20.0cm/s. She then accelerates at 8.00cm/s^2 for 5.00s. calculate sallys total displacement? which i did and got 200 cm Displacement during the 5th second? can you please help and show all work

    asked by Georgy on January 6, 2015
  49. Physics

    A traveling wave has displacement D(x,t)=(3.00cm)sin(5.36x-6.71t), where x is in meters and t is in seconds. What is the wave speed of this wave? **snapshot graph at t=1/4 s

    asked by rory on November 21, 2012
  50. Chemistry AP-Density

    The density of osmium is 22.57g/cm3. If a 1.00kg rectangular block of osmium has two dimensions of 4.00cmx4.00cm, calculate the third dimension of the block.

    asked by Victoria on August 17, 2010
  51. Chemistry

    A lead atom has a mass of 3.4x10^-9g. How many lead atoms are in a cube of lead that has a volume of 2.00cm^3 if the density of lead is 11.3g/cm^3?

    asked by Hope on September 7, 2012
  52. Science

    A liter(1000cubed)of gas is under a pressure of 80.00cm of mercury . What pressure is needed in order to reduce the original volume of the gas to 600.0cm cubed?

    asked by Jordan on November 19, 2008
  53. Science

    a sample of an unknown metal has a mass of 21.6g and a volume of 8.00cm^3 . calculate the density of the unknown metal

    asked by Stefan on February 23, 2013
  54. science

    My cell phone has an antenna about 10.00cm long. If this is one quarter of the wavelength of the radiation, at what frequency in Megahertz does it operate? Note that cell phones, like radio, transmit sounds via electromagnetic waves which travel at the

    asked by Frank on February 27, 2012
  55. Physics

    A Silver bowl has a mass of 1.78kg. It is shaped like a cylinder and has a diameter of 35.0 cm and a height of 8.00cm. It is placed in water. Find (a)the volume of water it displaces, (b) The buoyant force exerted on it by the water, and(c)how deeply it

    asked by ed on November 6, 2011
  56. Physics

    A 2.00kg solid sphere of radius 5.00cm rolls down a 20 degrees inclined plane starting from rest. (a) What is the magnitude of the acceleration of the center of mass of the sphere? (b) How far down the plane does it roll without slipping in 1.00s?

    asked by Nick on November 29, 2014
  57. physics

    The electric field at the point x = 5.00cm and y = 0 points in the positive x direction with a magnitude of 10.0 N/C. At the point x = 10.0cm and y = 0 the electric field points in the positive x direction with a magnitude of 16.0 N/C. Assume this electric

    asked by jazz on January 27, 2012
  58. Physics

    A spring id vertically, as shown below, and a 500g mass is hung from its lower end. The EQUILIBRIUM extension of the spring is observed to be 10.0cm. (I) What is the spring constant of the spring? (II) If the is pulled down by 5.00cm and released, what is

    asked by Melissa on August 3, 2011
  59. ENGINEERING

    a vinegar contains acetic acid,CH3COOH.Titration of 5.00g of vinegar with 0.100M of NAOH requires 33.00cm to reach the equivalence point.a)what is the weight percentage of CH3COOH in vinegar?

    asked by OSCAR on June 28, 2015
  60. Physics, Please help today

    0.0100kg particles have been glued to a rod of Length L=6.00cm and negligible mass and can rotate around a perpendicular axis through point O at one end. How much work is required to change the rotational rate (a) from 0-20.0 rad/s, (b) from 20.0 rad/s to

    asked by Dawn on November 30, 2006
  61. College physics

    A toroidal solenoid has a mean radius of 8.00cm and a cross-sectional area of 4.80cm^2 and is wound uniformly with 90.0 turns. A second coil with 500 turns is wound uniformly on top of the first What is the mutual inductance of these coils?

    asked by Anonymous on March 13, 2013
  62. physics

    a bullet traveling horzontally at a speed of 350m/s hits board perpendicular to its surface passes through n emerges on the other side at a speed fo 210m/s. if the board is 4.00cm thick, how long does the bullet take to pass through it.

    asked by john on September 25, 2009
  63. physics

    Calculate the terminal speed of a wooden sphere(density 0.830g/m^3) falling throught air if its radius is 8.00cm and its drag coefficient is 0.500? From what height would a freely falling object reach this speed in the absence of air resistance?

    asked by David on October 1, 2009
  64. Physics

    A microscope is focused on a mark a table, when the mark is covered by a glass 3.00cm thick. Tthe microscope has to be raised 1.1cm for the mark to be once more in focus. Calculate the refractive index of the glass.

    asked by Ihekweazu kingsley on March 11, 2013
  65. Physics

    A microscope is focused on a mark on a table. When the mark is calculated by a glass plate of 3.00cm thick,the microscope has to be raised 1.1cm from the mark to be once more in focus.calculate the refractive index of the glass.

    asked by Naomi on April 10, 2013
  66. Physics

    A microscope is focused on a mark on a table. When the mark is calculated by a glass plate of 3.00cm thick,the microscope has to be raised 1.1cm from the mark to be once more in focus.calculate the refractive index of the glass.

    asked by Naomi on April 10, 2013
  67. Chemistry

    The dye molecule 7-aminocoumarin has an extinction coefficient of 2800M-1cm-1 at 432nm. An aqueous sample of 7-aminocoumarin is placed in a cuvette with a 1.00cm path length and the absorbance is found to be 1.75 at 432nm. What is the molarity of

    asked by Jaden on February 20, 2013
  68. chem

    A piece of plastic has a mass of 14.2 grams and volume of 16.8cm cube. What is the mass of 1.00cm cube of this plastic? Thanks for your help.

    asked by mia on June 10, 2012
  69. PHYSICS

    The cross-sectional area of the U-tube shown below is uniform and is equal to one square centimeter (1.00cm^2). One end is open to the atmosphere. Atmosphere pressure may be taken as P1=1.01 * 10^5 Pa. The other end of the U-tube is connected to a pipe in

    asked by Zuen-Lee on August 14, 2011
  70. Physics

    The cross-sectional area of the U-tube shown below is uniform and is equal to one square centimeter (1.00cm^2). One end is open to the atmosphere. Atmosphere pressure may be taken as P1=1.01 * 10^5 Pa. The other end of the U-tube is connected to a pipe in

    asked by Zuen-Lee on August 14, 2011
  71. PHYSICS

    The cross-sectional area of the U-tube shown below is uniform and is equal to one square centimeter (1.00cm^2). One end is open to the atmosphere. Atmosphere pressure may be taken as P1=1.01 * 10^5 Pa. The other end of the U-tube is connected to a pipe in

    asked by Zuen-Lee on August 14, 2011
  72. college physics

    an atwood machine is constructed by mounting a well-lubricated pulley (not necessarily a ring/disc), whose radius is 6.00cm on an axle and passing a rope over the pulley. Each end of the rope is attached to a different mass of 3.0 kg and 2.0kg so they both

    asked by kim on June 25, 2013
  73. chemistry

    assume the diameer of a neutral helium atom is 1.40 x 10 to the second power pm. suppose that we could line up helium atoms side by side in contact with one another. how many atoms would it take to make the distance from end to end 9.00cm

    asked by Anonymous on February 21, 2011
  74. Math

    Triangle A has an area of 19,00cm squared and similar triangle B has an area of 118.75cm squared. Determine what scale factor makes triangle B an enlargement of triangle A

    asked by Kim on February 28, 2013
  75. Physics

    while at the shooting range, jonathan shoots a bullet traveling horizontally with speed of 35 m/s. the bullet hits a board, perpendicular to the surface, passes through it and emerges on the other side with speed of 21 m/s. if the board is 4.00cm thick,

    asked by lian on September 19, 2013
  76. physics please help!!

    A moving 2.20kg block collides with a horizontal spring whose spring constant is 419 N/m. The block compresses the spring a maximum distance of 9.00cm from its rest postion. The coefficient of kinetic friction between the block and the horizontal surface

    asked by archi on October 6, 2011
  77. Physics

    A yo-yo with an axle diameter of 2.00cm has a 80.0cm length of string wrapped around it many times in such a way that the string completely covers the surface of its axle, but there are no double layers of string. The outermost portion of the yo-yo is 4.00

    asked by seth on May 25, 2013
  78. physics

    block A (mass 2.04kg) rests on a tabletop. It is connected by a horizontal cord passing over a light, frictionless pulley to a hanging block B (mass 3.00kg ). The coefficient of kinetic friction between block A and the tabletop is 0.215. After the blocks

    asked by george on October 11, 2012
  79. Physics

    Two point charges q1 and q2 are held 4.00cm apart. An electron released at a point that is equidistant from both charges undergoes an initial acceleration of 9.00×10^18m/s^2 directly upward in the figure, parallel to the line connecting q1 and q2. See the

    asked by Luciano on January 17, 2015
  80. Science

    A rod of length L=1.80m is mounted to a wheel (solid cylinder) of radius R=8.00cm. A massless rope is wound on the wheel, and then connects to a block of mass m=0.250kg. The mass is released from rest and allowed to fall. 1. Find the tension in the rope.

    asked by Leila on June 16, 2014
  81. physics

    when a 2.50 kg object is hung vertically on a certain light spring described by hookes law the spring stretches 2.76 cm. A) what is the force constant of the spring. B) if the 2.50 kg object is removed how far will the spring strecth if a 1.25 kg block is

    asked by joe on November 6, 2011
  82. physics

    Suppose that a spring is attached to a wall. On the other end of the spring, it is attached to an object of 0.263kg. When the spring is compressed at a distance of 15cm, it holds an elastic potential energy of 20.0J. The horizontal surface has no friction;

    asked by Adam on August 1, 2017
  83. chemistry

    A pure copper cube has an edge length of 2.00cm. How many copper atoms does it contain? (volume of a cube = (edge length)^3; density of copper = 8.96g/cm^3 )

    asked by rachel on October 26, 2010
  84. physic

    you need to extend a 2.50 inch diameter pipe, but you only have 1.00 inch diameter pipe on hand.you make a fitting to connect these pipes end to end. if the water is flowing at 6.00cm/s in the wide pipe, how fast will it be flowing through the narrow one?

    asked by steve on July 20, 2010
  85. chem

    Suppose you have two 100mL graduated cylinders. In each cylinder, there is 36.0mL of water. You also have two cubes: one is lead, and the other is aluminum. Each cube measures 3.00cm on each side. After you carefully lower each cube into the water of its

    asked by Debby on September 6, 2013
  86. PHYSICS 102E

    a brass ring of diameter 10.00cm at 20.0 degrees Celsius is heated and slipped over an aluminum rod of diameter 10.01cm at 20.0 degrees Celsius. Assuming the average coefficients of linear expansion are constant, (a) to what temperature must this

    asked by Akitsuke on December 13, 2008
  87. chemistry

    how to find the pressure exerted by the hydrogen alone? and the volume of dry hydrogen at SATP? i have room temperature=23C room pressure =101.62kPa volume of h2 gas & H2O vapour collected =43.2ml temperature of water = 23C length of Mg ribbon = 3.00cm

    asked by Riana on January 22, 2013
  88. physics- electricity

    An electric car uses a lithium metal hydride battery with a mass of 250 kg. The battery delivers 300v and holds a stored charge q of 70 ampere-hours. Calculate the total energy stored in the battery in kWh. Calculate the number of gallons of gas that would

    asked by Anonymous on February 27, 2013
  89. physics

    at 25.0m below the surface of the sea (density=1.025kg/m^3), where the temperature is 5.00C, a diver exhales an air bubble having a volume of 1.00cm^3. If the surface temperature of the sea is 20.0C, what is the volume of the bubble just before it breaks

    asked by james on December 3, 2009
  90. Chemistry

    I'm having a difficult time with the Conversion Units in my equation. Attempting to answer this question: My cell phone has an antenna about 10.00cm long. If this is one quarter of the wavelength of the radiation, at what frequency in Megahertz does it

    asked by Frank on February 27, 2012
  91. Physics C

    A charged particle is released from rest in a region that has a uniform electric field of magnitude 64.0 N/C. After traveling a distance of 0.500 m in this region, the particle has a kinetic energy of 0.880 J. The charge on the particle is _______ C

    asked by Harry on January 14, 2015
  92. physics

    A small sphere of mass m=.0064kg and charge q1= +28.9 nC is attached to the end of a string and hangs vertically. A second charge of equal mass and charge q2= -58nC is located below the first charge by a distance d= 2.00cm. a. Find the Tension in the

    asked by Matt on January 14, 2013
  93. Chemistry Help

    If a graph is given for a cuvette using a 1.00 cm , predict the graph if a 2.0 cm diameter test tube and a 0.50cm test tube are used. The points for the 1.00cm test tube are (0,0),((2E-5),0.1), ((4E-5),0.2), ((6E-5),0.4), ((8E-5),0.5)...linear graph

    asked by Zara on November 16, 2007
  94. physics

    the region 0 < r < r1 is a charged insulating sphere with uniform charge density _E, the region r1 < r < r2 contains free space, and the region r2 < r < r3 is an insulating spherical shell with uniform charge density ��_E. What is the

    asked by al on September 23, 2008
  95. chemistry

    It was a very cold day -10 C. Victor went outside to pick up the morning newspaper. He quickly noticed the icicle that formed on the nearby flagpole. Curiosity got the best of him, and he decided to lick the ice on the flagpole. Instantly, Victor's tongue

    asked by megan on March 18, 2013
  96. Physics

    Explain how the electric potential energy of a particle can increase when moving from a region of high electric potential to a region of low electric potential energy.

    asked by Kelsey on September 12, 2015
  97. Physics 202

    A rail gun uses electromagnetic forces to accelerate a projectile to very high velocities. The basic mechanism of acceleration is relatively simple and can be illustrated in the following example. A metal rod of mass 10.0g and electrical resistance 0.100Ω

    asked by Tiffany on February 17, 2015
  98. Physics

    A plank 2.00 cm thick and 15.0 cm wide is firmly attached to the railing of a ship by clamps so that the rest of the board extends 2.00 m horizontally over the sea below. A man of mass 80.0 kg is forced to stand on the very end. IF the end of the board

    asked by Amber on November 17, 2010
  99. Physics

    A plank 2.00 cm thick and 15.0 cm wide is firmly attached to the railing of a ship by clamps so that the rest of the board extends 2.00 m horizontally over the sea below. A man of mass 80.0 kg is forced to stand on the very end. IF the end of the board

    asked by Amber on November 17, 2010
  100. physics

    The energy stored in a capacitor with capacitance C, having an electric potential difference ΔV, is represented by W = 1/2 C ΔV2. One application of this is in the electronic photoflash of a strobe light, like the one in the figure below. In such a unit,

    asked by Cory on January 12, 2012