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

24,393 questions
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

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?

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

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

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

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;

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