a pin has a diameter of 0.005mm at its sharp end. calculate the pressure exerted when a force of 2.0N is applied to the pin.

59,125 results
  1. Physics

    (a) Calculate the absolute pressure at the bottom of a fresh-water lake at a depth of 23.2 m. Assume the density of the water is 1.00 103 kg/m3 and the air above is at a pressure of 101.3 kPa. Pa (b) What force is exerted by the water on the window of an

  2. math

    p=14.63⋅0.8 Atmospheric pressure, measured in pounds per square inch p, s, i is the force exerted by Earth's atmosphere over a given area. The atmospheric pressure, p, exerted on an airplane flying at an altitude of a miles above sea level can be

  3. chemistry

    Why is it possible to float a pin on the surface of water? A. The molecules of water on the surface change bonding as they dry out. B. The density of the pin is less than that of the water's surface. C. The surface tension of the water is so low. D. The

  4. physics

    A liquid of density 1354 kg/m^3 flows with speed 2.45 m/s into a pipe of diameter 0.29 m. The diameter of the pipe decreases to 0.05 m at its exit end. The exit end of the pipe is 7.82 m lower than the entrance of the pipe, and the pressure at the exit of

  5. college chemistry

    calculate the pressure exerted by 2.50 moles of CO2 confined in a volume of 5.00 L at 450K. Compare the pressure with that predicted by the ideal gas equation.

  6. Physics

    A horizontal pipe narrows from a diameter of 10 to 5 cm. For an incompressible fluid flowing from the larger diameter to the smaller: Question 5 options: 1.the velocity and pressure both increase. 2.the velocity increases and the pressure decreases. 3.the

  7. science

    A 2.5L flask contains 0.25mol each of so2 and n2 gas at 27 ° c. calculate the partial pressure exerted by each gas and also the total pressure exerted by each gas and the total pressure. name the law on which it is based

  8. physics

    1.) Water flows from a 2 cm diameter pipe, at a speed of 0.35m/sec. How long will it take to fill a 10 liter container? 2.) A horizontal segment of pipe tapers from a cross-sectional area of 50 cm^2 to 0.5 cm? The pressure at the larger end of the pipe is

  9. Physics

    The pressure exerted by a phonograph needle on a record is surprisingly large. If the equivalent of 1.00 g is supported by a needle, the tip of which is a circle 0.200 mm in radius, what pressure is exerted on the record in N/m2?

  10. physics

    Bailey is on the tenth frame of her recent bowling competition and she needs to pick up the last pin for a spare and the first place trophy. She rolls the 7.05-kg ball down the lane and it hits the 1.53-kg pin head on. the ball was moving at 8.24 m/s

  11. Physics

    A force of 60 N is exerted on one end of a 1.0-m-long lever. The other end of the lever is attached to a rotating rod that is perpendicular to the lever. By pushing down on the end of the lever, you can rotate the rod. If the force on the lever is exerted

  12. math

    A hydraulic plunger has a 12 cm diameter and a force of 350 kN acts on it. What is the pressure exerted on the plunger?

  13. physics

    a bolwing ball of mass 2.00 kg strikes a stationary pin of mass 5.00 x 10^2 g. the collision lasts for .60s after which the pin moves off with a velocity of 12.0 m/s [w] a)accel of pin during the collision b)force exerted by bowling ball on the pin c)the

  14. physics

    After being struck by a bowling ball, a 1.4kg bowling pin sliding to the right at 4.5 m/s collides head-on with another 1.4 kg bowling pin initially at rest. Find the final velocity of the second pin in the following situations: a)The first pin moves to

  15. Scientific Notation

    The point on a pin has a diameter of about 1 * 10^-4 meters. If an atom has a diameter of 2 * 10^-9 meters, about how many atoms could fit across the diameter of the point of a pin?

  16. Physics

    A person of weight 820 N stands on one leg. The area of the foot in contact with the floor is 1.4 X 10^-2 m^2 a. Calculate the pressure exerted by the foot on the ground. b. Explain what would happen to the pressure exerted on the floor if the person

  17. science

    if a tank has water to depth of 10m calculate the pressure exerted by it

  18. Chemistry

    Using the information on the table of van der Waals Constants of Some Common gases, calculate the pressure exerted by 4.37 moles of chlorine gas confined in a volume of 2.45 L at 38 degrees Celsius. Compare the pressure with that calculated using the ideal

  19. physics

    Calculate the pressure in newtons per square meter due to whole blood in an IV system, such as the one shown in Figure 6.9, if h = 1.5 m. (b) Noting that there is an open tube, so that atmospheric pressure is exerted on the blood in the bottle, calculate

  20. physics

    Many cultures around the world still use a simple weapon called a blowgun, a tube with a dart that fits tightly inside. A sharp breath into the end of the tube launches the dart. When exhaling forcefully, a healthy person can supply air at a gauge pressure

  21. maths

    a safety pin is supposed to have a 0.675 inches diameter but it was made 0.0007 inches too big what is the diameter of the safety pin?

  22. physic

    Hi! I really need help on Part B only. (a) Calculate the absolute pressure at the bottom of a freshwater lake at a depth of 28.7 m. Assume the density of the water is 1.00 103 kg/m3 and the air above is at a pressure of 101.3 kPa. (b) What force is exerted

  23. chemistry 106

    calculate the pressure exerted by 1.00 moles of CO2 confined in a volume of 5.00 L at 450. K. Compare the pressure with that predicted by the ideal gas equation.

  24. Physics please help!!

    A 73.5 kg person sits on a 3.20 kg chair. Each leg of the chair makes contact with the floor in a circle that is 1.74 cm in diameter. Calculate the pressure exerted on the floor by each leg of the chair, assuming the weight is evenly distributed.

  25. physics

    The ability to hear a "pin drop" is the sign of sensitive hearing. Suppose a 0.50 g pin is dropped from a height of 27 cm, and that the pin emits sound for 1.4 s when it lands. Assuming all of the mechanical energy of the pin is converted to sound energy,

  26. physics

    In order to convert a tough split in bowling, it is necessary to strike the pin a glancing blow as shown in the figure. Assume that the bowling ball, initially traveling at 15.0 m/s, has four times the mass of a pin and that the pin goes off at 75° from

  27. mathematics

    Atmospheric pressure, measured in pounds per square inch (\text{psi})(psi)left parenthesis, start text, p, s, i, end text, right parenthesis is the force exerted by Earth's atmosphere over a given area. The atmospheric pressure, ppp, exerted on an airplane

  28. SCIENCE

    WHAT IS PRESSURE EXERTED OUTWARDLY IN A CYCLINDER THAT HAS ONE END CLOSED AND THE OTHER OPEN WHEN AN INTERNAL HEAT SOURCE RAISES THE TEMPERATURE FROM 70 DEGREE F TO 300 DEGREE F IF THE CYCLINDER IS 48 INCHES DIAMETER AND 240 INCHES LONG

  29. physics

    A 25 ft long crane supported at its lower end by a pin is elevated by a horizontal cable. A 250 lb load is suspended from the outer end of the crane. The center of gravity of the crane is 10 ft from the pin and the crane weighs 200 lb. What is the tension

  30. college chemistry

    calculate the pressure exerted by 1.00 moles of CO2 confined in a volume of 5.00 L at 450. K. Compare the pressure with that predicted by the ideal gas equation.

  31. chemistry B-11

    A sample of gas in a 10.0-L container exerts a pressure of 565 mm Hg. Calculate the pressure exerted by thrvgas if he volume is changed to 15.0 L at constant temperature.

  32. Physics

    Read the activity 2-1:Force and Pressure in the lab manual (pages 167-168). As described in the manual, consider a 10 cc syringe is connected to a 50 cc syringe. Information of the syringes are as follows: (mass of 10 cc piston) = 16 g (mass of 50 cc

  33. physics,plz.....give me answer as soon as possible

    a pond of water filled with water apto 60m. 1)write formulato find the pressure of water exerted on the base of pond. 2)calculate the pressure exerted by the water on the base of pond?density of water is 1000kg/m3 3)half of the water was removed from the

  34. Physics

    Three cylindrical blocks x, y and z are made of different materials of densities 2g/cm3, 5g/cm3 and 10g/cm3 respectively. If the side of each block resting on a level surface has an area of 2cm2, 4cm2 and 6cm2 and the height of block x is 10cm calculate;

  35. Physics

    Water flows into one end of a horizontal, cylindrical pipe at 2.0 m/s. The pipe then narrows until its diameter at the opposite end is only 1/3 of that at the beginning. (a) What is the flow speed at the narrow end of the pipe? (b) What is the pressure

  36. Science

    If a tank has water to the depth of 10m, calculate the pressure exerted by it

  37. physics

    The pressure of a gas in a container is estimated to be the force exerted per cross-sectional area. If a factor F=(20.0+/-0.5)N.acts on a rectangular cross-section of the container with dimensions x=(5.0+/-0.5). Calculate fractional change in pressure and

  38. Please help asap science

    1.an engine develops 65kW over a period of 20minutes. The engine uses 5kg of petrol. Calculate the following:- A. The heat gegenerated B. The power generated by the petrol C. The efficiency Of the engine 2.A square steel plate with sides of 12cm long, is

  39. Physics

    In order to convert a tough split in bowling, it is necessary to strike the pin a glancing blow as shown in Fig. 9-47. The bowling ball, initially traveling at 13.0 m/s, has four times the mass of a pin and the pin flies off at 80° from the original

  40. Chemistry

    A. The molecules of water on the surface change bonding as they dry out. B. The density of the pin is less than that of the water's surface. C. The surface tension of the water is so low. D. The force exerted by the mass of the pin does not increase the

  41. PHYSICS (CHECK WORK)

    Can somebody please check my work. I got part a right, but my answer for part b is wrong. (a) Calculate the absolute pressure at the bottom of a fresh-water lake at a depth of 25.6 m. Assume the density of the water is 1.00 103 kg/m3 and the air above is

  42. physics

    The anchor shackle supports a cable force of 600 lb. If the pin has a diameter of 0.25 in., determine the average shear stress in the pin.

  43. PHYSÝC

    A standard CD has a diameter of 12.0 cm, and a hole that is centered on the axis of symmetry and has a diameter of 1.50 cm. The CD’s thickness is 1.2 mm, and it's mass is 17 g. If a (very thin) pin extending through the hole of the CD suspends it in a

  44. physics

    A standard CD has a diameter of 12.0 cm, and a hole that is centered on the axis of symmetry and has a diameter of 1.50 cm. The CD’s thickness is 1.2 mm, and it's mass is 17 g. If a (very thin) pin extending through the hole of the CD suspends it in a

  45. Physics

    7.3) a. Calculate the pressure exerted on a disk in the lower back having an area of 20 cm^2 if a woman stands erect and supports the weight of her upper torso on that disk. The mass of the upper torso is 25 kg. Express this pressure in mm Hg. b. If this

  46. Physics

    A standard DVD has a diameter of 12.0 cm, and a hole that is centered on the axis of symmetry and has a diameter of 1.50 cm. The DVD’s thickness is 1.2 mm, and it's mass is 17 g. If a (very thin) pin extending through the hole of the DVD suspends it in a

  47. Physics

    A figure shows a section of a long tube that narrows near its open end to a diameter of 1.0 mm. Water at 20 degrees celsius flows out of the open end at 0.020 L/s. What is the gauge pressure at point P, where the diameter is 4.0 mm?

  48. phsicsy

    a liquid with density of 1.36*10^3 kg/m^3 through two horizontal sections of round tubing joined end to end. in first section, diameter of the tubing is 10cm and the flow speed is 230cm/s and the pressure is 1.3*10^5, the diameter is 6 cm a the cross

  49. chem

    a) Calculate the pressure exerted by 0.5160 mol N2 in a 1.0000 L container at 24.6°C using the ideal gas law. atm (b) Calculate the pressure exerted by 0.5160 mol N2 in a 1.0000 L container at 24.6°C using the van der Waals equation. atm (c) Compare the

  50. physics

    A 15m crane supported at its lowest end by a pin is elevated by a horizontal cable. A 250N load is suspended from the outer end of the crane. The center of gravity of the crane is 5m from the pin, and the crane weighs 300 N. What is the tension in the

  51. physics

    an aluminum cylinder, of height h=2ocm and of radius r=1ocm, rests with its base on a horizontal table. Density of aluminum P=2700kg/m^3 a-calculate the weight of the cylinder take g=10N/kg b-what is the value of the force exerted by the table on the

  52. physics

    a pond of water filled with water apto 60m. 1)write formulato find the pressure of water exerted on the base of pond. 2)calculate the pressure exerted by the water on the base of pond?density of water is 1000kg/m3 3)half of the water was removed from the

  53. physics

    In a water pistol, a piston drives water through a larger tube of radius 1.00 cm into a smaller tube of radius 1.00 mm. (a) If the pistol is fired horizontally at a height of 1.5m, use ballistics (2-D projectile motion) to determine the time it takes water

  54. Chemistry

    Thirty feet of water exert a pressure of 1 atm. Calculate the pressure (in kPa) exerted on a diver at a depth of 50 feet on a standard day.

  55. Chemistry

    Each increase in pressure of 100 atm decreases the melting point of ice by about 1.0¡ÆC. Q. One possible explanation of why a skate moves smoothly over ice is that the pressure exerted by the skater on the ice lowers its freezing point and causes it to

  56. Physics

    Calculate the Patm And the pressure exerted by water on the block - The area Of the upper face of block is 40 cm2 Calculate the total pressure exerted on the solid Given : In the first tube : in a tube a solid .. the height from solid to the water level in

  57. Math

    The pressure exerted by a certain liquid at a given point varies directly as the depth of the point beneath the surface of the liquid. The pressure at 30 meters is 80 newtons per square centimeter. What pressure is exerted at 50 meters?

  58. Algebra 1

    Pressure and volume vary inversely in the idea has law. The pressure exerted by a gas of volume 150cubic inches is 30 p.s.i. Find the pressure exerted by the gas if the volume is decreased to 50cuboc inches

  59. Chemistry

    Using the information on the table of van der Waals Constants of Some Common gases, calculate the pressure exerted by 4.37 moles of chlorine gas confined in a volume of 2.45 L at 38 degrees Celsius. Compare the pressure with that calculated using the ideal

  60. Chemistry

    Using the information on the table of van der Waals Constants of Some Common gases, calculate the pressure exerted by 4.37 moles of chlorine gas confined in a volume of 2.45 L at 38 degrees Celsius. Compare the pressure with that calculated using the ideal

  61. Science

    Calculate the pressure exerted on your finger if you hold up a 15-pound box of apples.

  62. Earth's Dynamic Atmosphere

    Air pressure doesn't crush everything underneath it because A. air pressure is hypothetical and not a real force. B. air pressure is strong enough. C. things on earth have learned to withstand the constant pressure. D. air pressure is exerted in all

  63. physics

    a pin has a diameter of 0.005mm at its sharp end. calculate the pressure exerted when a force of 2.0N is applied to the pin.

  64. please help me guys physical sciences

    1.an engine develops 65kW over a period of 20minutes. The engine uses 5kg of petrol. Calculate the following:- A. The heat gegenerated B. The power generated by the petrol C. The efficiency Of the engine 2.A square steel plate with sides of 12cm long, is

  65. PHYSÝC HELP

    A standard CD has a diameter of 12.0 cm, and a hole that is centered on the axis of symmetry and has a diameter of 1.50 cm. The CD’s thickness is 1.2 mm, and it's mass is 17 g. If a (very thin) pin extending through the hole of the CD suspends it in a

  66. Physics

    Engineering 100 Homework Problem #1 Below is a diagram of a beam supported on the left end by a pin connection, and toward the right side by a simple fulcrum. A force F is applied to the far right end of the beam as shown. The uniform beam has mass, m,

  67. Engineering

    Four identical pin-pin ended solid concrete cylindrical columns that are L=10m tall need to be able to withstand 6.8*10^8 N of force before Euler buckling. What should be the diameter, d, in meters, of each column if the force is uniformly distributed? The

  68. physic

    Hi! need help please thank you so much. Question:(a) Calculate the absolute pressure at the bottom of a freshwater lake at a depth of 28.7 m. Assume the density of the water is 1.00 103 kg/m3 and the air above is at a pressure of 101.3 kPa. ___Pa (b) What

  69. Intro to Physics

    (a) Calculate the absolute pressure at the bottom of a fresh-water lake at a depth of 25.6 m. Assume the density of the water is 1.00 103 kg/m3 and the air above is at a pressure of 101.3 kPa. (b) What force is exerted by the water on the window of an

  70. phy

    A popular brand of pressure washer claims to deliver 330 litres per hour of water at a pressure of 80 bar, drawing 1400 W of electrical power in the process. Pressure washers of this type consist of an electric motor that drives a small compressor to

  71. physics

    a)a box having mass of 500kg is placed on a horizontal surface.find the pressure exerted on the surface?do not forget to write formula. b)a pond of water filled with water upto 60m.1)write formula to find the pressure of water exerted on the base of

  72. geometry

    A soccer ball has diameter of 400 mm. A pin is stuck into the ball such that it creates the chord AC, which is 20 mm. What is the distance from the chord formed by the pin, and what is the length of EB? (Hint: CD=radius)

  73. Geometry HELP

    A soccer ball has diameter of 400 mm. A pin is stuck into the ball such that it creates the chord AC, which is 20 mm. What is the distance from the chord formed by the pin, and what is the length of EB? (Hint: CD=radius) a.)0.125 mm b.)0.5 mm c.)0.25 mm

  74. Physics

    A typical brick has dimensions of 20.0 cm by 10.0 cm by 5.0 cm and weighs 20.0 N. How does the pressure exerted by a typical brick when it is resting on its smallest side compare to the pressure exerted when it is resting on its largest side PLEASE HELP !!

  75. Mathematics

    A link pin is supposed to have a diameter of 0.675 but one of these was made 0.0007 to large. What it's diameter?

  76. Physics

    The ability to hear a “pin drop” is the sign of sensitive hearing. Suppose a 0.55-g pin is dropped from a height of 28 cm, and that the pin emits sound for 1.5s when it lands. Assuming all of the mechanical energy of the pin is converted to sound

  77. Statics

    Four identical pin-pin ended solid concrete cylindrical columns that are L=10m tall need to be able to withstand 6.8×108N of force before Euler buckling. What should be the diameter, d, in meters, of each column if the force is uniformly distributed? The

  78. physics

    Lubricating oil, with a relative density of 0.79, flows around a 90¨¬ bend. The pipe diameter is 0.45m, and the oil has a pressure head of 7m and the flow is 1.7m3/s. Find the force exerted by the oil on the bend. Oil density = 0.79 X 103 Volumetric mass

  79. fluid

    3. A students boot pressure on the ground is 5 pounds per inch squared. how many inches squared will be required to set off a landmine with a set pressure 40 pounds? 4. Calculate the pressure exerted by the atmosphere on a cubic square can with 6 sides of

  80. physics

    The ability to hear a "pin drop" is the sign of sensitive hearing. Suppose a 0.40 pin is dropped from a height of 30 , and that the pin emits sound for 1.4 when it lands. Assuming all of the mechanical energy of the pin is converted to sound energy, and

  81. Physics/Mechanical Engineering : Clamping Force

    A multiple clutch has to transmit 90kW from an engine running at 3500 rpm. Clutch lining outer diameter is 200mm and inside diameter is 160mm. Spring pressure on clutch is 170kPa and it's coefficient of friction is 0.28. a)Calculate the minimum clamping

  82. Chem II

    A sample of gas in a 25.0-L containter exerts a pressure of 3.20 atm. Calculate the pressure exerted by the gas if the volume is changed to 45.0-L at constant temperature.

  83. Physics

    A liquid of density 1.23 × 103 kg/m3 flows steadily through a pipe of varying diameter and height. At location 1 along the pipe the flow speed is 9.23 m/s and the pipe diameter is 1.07 × 101 cm. At location 2 the pipe diameter is 1.71 × 101 cm. At

  84. Physics

    Water at a pressure of 4.20 atm at street level flows into an office building at a speed of 0.65 m/s through a pipe 6.60 cm in diameter. The pipes taper down to 2.20 cm in diameter by the top floor, 28.0 m above. Calculate the water pressure in such a pipe

  85. Physics

    Water at a pressure of 3.90 atm at street level flows into an office building at a speed of 0.45 m/s through a pipe 5.60 cm in diameter. The pipes taper down to 2.10 cm in diameter by the top floor, 26.0 m above. Calculate the water pressure in such a pipe

  86. physics

    As shown in the figure below, a stick of length L = 0.330 m and mass m = 0.205 kg is in contact with a rough floor at one end and a frictionless bowling ball (diameter d = 21.50 cm) at some other point such that the angle between the stick and the floor is

  87. physics

    1.) Water flows from a 2 cm diameter pipe, at a speed of 0.35m/sec. How long will it take to fill a 10 liter container? 2.) A horizontal segment of pipe tapers from a cross-sectional area of 50 cm^2 to 0.5 cm^2. The pressure at the larger end of the pipe

  88. physics

    1.)Water flows from a 2 cm diameter pipe, at a speed of 0.35m/sec. How long will it take to fill a 10 liter container? 2.)A horizontal segment of pipe tapers from a cross-sectional area of 50 cm^2 to 0.5 cm^2. The pressure at the larger end of the pipe is

  89. physics

    1.)Water flows from a 2 cm diameter pipe, at a speed of 0.35m/sec. How long will it take to fill a 10 liter container? 2.)A horizontal segment of pipe tapers from a cross-sectional area of 50 cm^2 to 0.5 cm^2. The pressure at the larger end of the pipe is

  90. physics

    A uniform horizontal beam with a length of 8m and a weight of 200N is attached to a wall by a pin connection. Its far end is supported by a cable that makes an angle of 53° with the beam (Figure below). If a 600N person stands 2m from the wall, find the

  91. Physics

    Can Anyone help me with this physics problem? The piston of a bicycle pump is circular in shape and has a diameter of 3.18 cm. When you exert a pushing force on the pump handle, it exerts a pressure of 225 kpa on the air inside the pump cylinder. 1) What

  92. math

    How many 5-digit bank security Personal Identification Numbers (PIN) codes can be formed using the characters in the set {0, 2, 4, 6, 8, a, b, c, d, y } with the restrictions below. Note: For purposes of this problem, the PIN number can be "padded" with

  93. physics

    water flow dowen a sloping pipe.the pipe tapers from 2m diameter at the top (A)to 1.4 diameter at the bottom (B)the volume flow rate is 23m/s. 1)calculate the velocities of the flow at points A and B. 2)if the end A is 12m higher than end B, and the

  94. for Drbob222

    how do I calculate pressure exerted by H2 in a Mg and HCl reaction? (weighing by redox)

  95. ChM

    Calculate the pressure exerted by 1.2 mol of gas in a volume of 28.2 L and at a temperature of 61 C.

  96. physics

    A crank .25m long turns a shaft with a diameter of 3cm around which part of a rope is wound. One end of the rope hangs free and supports a weight of 4200nt. (a) What torque does the weight exert on the shaft? (b) WHat torque must be exerted on the crank to

  97. physics

    Q:What happens to the pressure of particles in the container when it is heated.explain. Q:A pressure of 2200Kpa is exerted by the particles in the container on the wall of area 25cm2. find the force exerted by the particle.

  98. physics

    In a hydraulic piston set up, one circular piston has a diameter of 2 cm,while the other piston has a diameter of 6cm. Calculate the ratio of the force exerted by the larger piston to the force applied to the smaller piston?

  99. Science

    Calculate the pressure exerted on your finger if you hold up a 15-pound box of apples.

  100. Physical chemistry

    Calculate the pressure exerted by 1.0 mol C2H6 behaving as a perfect gas

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