1. Physics (acceleration)

    1. Jasmine rode a horse down a path headed north. she started from rest and then accelerated at 0.5 m/s2 for 12 seconds and then travelled at a constant speed for 28 seconds. a.) what was her velocity after 12 seconds? b.) what was jasmines displacement

    asked by Samaira on May 14, 2014
  2. Physics

    Two bicycle tires are set rolling with the same initial speed of 3.00m/s along a long, straight road, and the distance each travels before its speed is reduced by half is measured. One tire is inflated to a pressure of 40 psi and goes a distance of 18.1m ;

    asked by collegekid on May 13, 2014
  3. physics (thxs for the help)

    A 10 ohms resistor has a constant current. If 1200C of charge flow through it in 4 minutes what is the value of the current? A) 3.0 A B) 5.0 A C) 11 A D) 15 A E) 20 A ok I see to main equation using dealing with resistance I=V/R and I=Q/t. My question

    asked by susan on March 14, 2007
  4. physics

    The infamous German "Paris gun" was used to launch a projectile with a flight time of 170 s for a horizontal distance of 122 km. Based on this information, and ignoring air resistance , calculate (a) the gun's muzzle speed and (b) the angle, measured above

    asked by Susan on February 25, 2013
  5. Physics

    A fast, measured pitched baseball left the pitcher's hand at a speed of 48.6 m/s. The pitcher was in contact with the ball over a distance of 1.44 m and produced constant acceleration. I know that t=(Vf-Vi)/a based on a kinematic equation. Also, I setup:

    asked by Skylar on September 23, 2015
  6. Algebra

    (I know I already asked this question but I can't find it so I'm asking it again) A surfer paddles out past breaking waves, rides a wave, paddles back out past the breaking waves, rides another wave back to the beach. Draw a sketch of a graph (with labels)

    asked by PicturesDon'tChangeThePeopleInsideOfThemDo on November 5, 2017
  7. chemistry

    Construct the correct structure for AsClF42-. Please construct the molecule such that the dipole is oriented vertically up or vertically down. - Name the type of hybrid orbitals the central atom forms. - Name the molecular geometry of the compound. - State

    asked by adex on March 18, 2013
  8. Science Help

    A satellite image shows a portion of the Namib Desert in Africa. This is an ancient, sandy desert with dunes that can be up to 305 m tall. The Namib Desert extends inland from the Atlantic Ocean between 80 km and 200 km and receives only 5 mm to 76 mm of

    asked by ¯\_('-')_/¯ on December 20, 2017
  9. English

    I'm sending you the sentences again. (Is it incorrect to use the simple past??). Thank you. 1)Though the narrator gets frightened the captain decides to sail. (OR The captain decides to sail, despite the narrator’s fears. 2) He feels uneasy and can't

    asked by Henry2 on August 29, 2011
  10. physics imperfect spring

    The force required to compress an imperfect horizontal spring an amount x is given by F= 150x+12x^3, where x is in meters and F in newtons. If the spring is compressed 2.1 m, what speed will it give to a 4.0 kg ball held against it and then released?

    asked by annie on May 21, 2009
  11. Physics (verification)2

    I would love for someone to please verify my solution for this problem: A former amusement park attraction consisted of a huge vertical cylinder rotating rapidly around its axis. The rotation speed should be sufficient for the people found inside to be

    asked by Greg on December 10, 2011
  12. Physics (verification)

    I would love for someone to please verify my solution for this problem: A former amusement park attraction consisted of a huge vertical cylinder rotating rapidly around its axis. The rotation speed should be sufficient for the people found inside to be

    asked by Greg on December 9, 2011
  13. physics

    The drawing shows a type of flow meter that can be used to measure the speed of blood in situations when a blood vessel is sufficiently exposed (e.g., during surgery). Blood is conductive enough that it can be treated as a moving conductor. When it flows

    asked by tee on November 4, 2010
  14. physics

    The drawing shows a type of flow meter that can be used to measure the speed of blood in situations when a blood vessel is sufficiently exposed (e.g., during surgery). Blood is conductive enough that it can be treated as a moving conductor. When it flows

    asked by tee on November 4, 2010
  15. physics

    A basketball rolls to the right with a velocity of 4 meters per second. It is pushed up and accelerated up for 2 seconds with an acceleration of 4 meters per second . Then for 1 second it is pushed and accelerated down with an acceleration of 12 meters per

    asked by Mo on October 2, 2016
  16. Physics

    A ship sets sail from Rotterdam, The Netherlands intending to head due north at 5.5 m/s relative to the water. However, the local ocean current is 1.5m/s in the direction north of east and changes the ship's intended motion. a) In what direction would the

    asked by Bangtan on June 23, 2018
  17. physics

    A child on a beach kicks a beach ball, giving it an initial velocity of 4.0 m/s. It was sitting on the ground when given the kick. The ball lands on the beach 5m away and closer to the ocean, with a speed of 1.6m/s just before it hits. the final landing

    asked by bec on November 7, 2011
  18. math

    The pyramid of Giza in Egypt is built of stone and was completed in 2560 BC. The length of each side of the square base is 230 meters and the vertical height is 146 meters. 1. What volume of stone is needed to form a solid pyramid with these dimensions?

    asked by colton on June 26, 2011
  19. Physics

    In an action movie, the villain is rescued from the ocean by grabbing onto the ladder hanging from a helicopter. He is so intent on gripping the ladder that he lets go of his briefcase of counterfeit money when he is 130above the water. If the briefcase

    asked by Michelle on September 13, 2012
  20. Data communication and Networking

    1. Illustrate the wave forms for data “101001000111010011110100” by using the following modulation techniques: a. 2 bit AM + 1 bit PM b. 2 bit FM + 1 bit AM c. 2 bit PM + 1 bit FM 2. Based on 8 bit ASCII code, illustrate a wave form using any one of

    asked by Mohamed on January 18, 2019
  21. Math - Precalculus - Parametric Equations/Geometry

    A hockey puck of diameter 3 inches is spinning around its center at a speed of 3 counterclockwise rotations per second. The center of the puck is traveling at a speed of 24 inches per second at an angle of 45 degrees to the positive real axis. (a) At time

    asked by Sam on December 11, 2013
  22. Physics

    The ball is thrown vertically upwards from the height of 14.1 meters. It takes 3 seconds till the ball hits the ground. What is the initial speed of the ball?

    asked by Luise on September 13, 2012
  23. Physic

    A ball is thrown horizontally from a cliff at a speed of 15 m/s and strikes the ground 45 meters from the base of the cliff. How high was the cliff (rounded to the nearest meter)

    asked by Unknown on February 27, 2013
  24. college physics

    A stone is thrown horizontally from the top of a building with a speed of 29.5 m/sec. It lands 56.3 meters from the base of the building. How long was it in the air, and how tall is the building?

    asked by janei on July 9, 2017
  25. Physics

    A bat can detect small objects, such as an insect, whose size is approximately equal to one wavelength of the sound the bat makes. If bats emit a chirp at a frequency of 50.0 kHz, and if the speed of sound in air is 340 m/s, what is the smallest insect a

    asked by Josh on December 5, 2010
  26. Physics

    A bat can detect small objects, such as an insect, whose size is approximately equal to one wavelength of the sound the bat makes. If bats emit a chirp at a frequency of 50.0 kHz, and if the speed of sound in air is 340 m/s, what is the smallest insect a

    asked by Anonymous on December 6, 2010
  27. Math/Physics

    The velocity v of a particle moving in the xy plane is given by v = (6.0t - 4.0t2) i + 4.0 j, with v in meters per second and t (> 0) is in seconds. What is the acceleration when t = 3.0 seconds? When is the acceleration zero? When is the velocity zero?

    asked by winterWX on February 1, 2007
  28. social studies

    How was Magellan's voyage different from that of Columbus? A. Magellan sailed west across the Atlantic to reach the Caribbean. B. Magellan sailed south down the coast of South America. C. Magellan sailed east around Africa to reach the Pacific Ocean. D.

    asked by abby on December 12, 2018
  29. Social Studies

    How was Magellan's voyage different from that of Columbus? A.Magellan sailed west across the Atlantic to reach the Caribbean. B.Magellan sailed south down the coast of South America. C.Magellan sailed east around Africa to reach the Pacific Ocean.

    asked by school rules on April 1, 2019
  30. Physics

    When any radioactive dating method is used, experimental error in the measurement of the sample's activity leads to error in the estimated age. In an application of the radiocarbon dating technique to certain fossils, an activity of 0.15 Bq per gram of

    asked by Beth on July 27, 2012
  31. physics

    When will your apparent weight be greatest, as measured by a a scale in a moving elevator; when the elevators: (a) accel. downward (b) accel. upward (c) is in free fall (d) moves upward at a constant speed? In what case would you weight be the least? When

    asked by Sasha on October 26, 2009
  32. Help plzzz

    Choose one of the biological systems described below. What health problems might the giants in the land of Brobdingnag have, or the giant child in the movie Honey, I blew up the Kid? Transportation system--Your body generates heat according to its volume.

    asked by Jasine on December 18, 2006
  33. Physics

    15 At a particular location and time, sunlight is measured on a 1 m2 solar collector with an intensity of 500.0 W. If the peak intensity of this sunlight has a wavelength of 5.60 x 10-7 m, (a) What is the frequency of this light? When you input large

    asked by hannah on February 9, 2012
  34. engineering

    a boy of mass 40kg is sliding down the spiral slide at a constant speed such that his position is measured by theta=(0.7t) rad and z=(-0.5t) m where t is in seconds. How do you find the components of forces Fr, Ftheta and Fz which the slide exerts on the

    asked by sarah on November 15, 2008
  35. Physics

    A physics teacher (mass = 84.5 kg) is jogging through the woods and runs straight into a large oak tree at 3.5 m/s. Rebound speed is measured at 2.3 m/s in the opposite direction. If the time of contact with the tree is 45 milliseconds, what is the

    asked by Will on March 18, 2013
  36. physics

    I have rope of 4 meters. I want 1.85 meters of rope from that rope. i don't have scale to measure the length of the rope. how can i get the rope of 1.85 meters exactly?

    asked by Bhaskar on January 2, 2012
  37. chemistry

    Atomic hydrogen produces well-known series of spectral lines in several regions of the electromagnetic spectrum. Each series fits the Rydberg equation with its own particular n sub 1 value. Calculate the value of n sub 1 (by trial and error if necessary)

    asked by Mark on November 9, 2008
  38. math

    At the amusement park, you decide to ride the Ferris wheel, which has a maximum height of 50 meters and a diameter of 35 meters. It takes the wheel three minutes to make one revolution. If you start your ride at the midline and the ferris wheel rotates

    asked by jackie on November 21, 2014
  39. geometry

    Zoe the goat is tied by a rope to one corner of a 15 meter-by-25 meter rectangular barn in the middle of a large grassy field. Over what area of the field can Zoe graze if the rope is 10 meters long? 20 meters long? 30 meters long?

    asked by Anonymous on April 30, 2012
  40. Geometry

    Zoe the goat is tied by a rope to one corner of a 15 meter-by-25 meter rectangular barn in the middle of a large grassy field. Over what area of the field can Zoe graze if the rope is 10 meters long? 20 meters long? 30 meters long?

    asked by Anonymous on May 2, 2012
  41. Maths

    For a Chinese New Year celebration, James and Zhou are making a dragon costume similar to the one shown above. In total, the costume requires 58.6 meters of fabric. Zhou already has 11.5 meters of fabric, and James just purchased 20.2 meters of fabric. How

    asked by Sanya on April 1, 2013
  42. Geometry

    Zoe the goat is tied by a rope to one corner of a 15 meter-by-25 meter rectangular barn in the middle of a large grassy field. Over what area of the field can Zoe graze if the rope is 10 meters long? 20 meters long? 30 meters long?

    asked by Anonymous on May 3, 2012
  43. Scientific Method

    Joe Student rolled a toy car down a ramp and measured how far it traveled along the floor. He recorded the distance along with the original mass of the toy car. Then, he taped a penny to the roof of the same toy car, measured its new mass, and rolled it

    asked by Davvy on April 23, 2017
  44. n

    A ferris wheel is 20 meters in diameter and boarded from a platform that is 1 meters above the ground. The six o'clock position on the ferris wheel is level with the loading platform. The wheel completes 1 full revolution in 6 minutes. The function h =

    asked by Anonymous on February 10, 2017
  45. precalculus

    A ferris wheel is 20 meters in diameter and boarded from a platform that is 3 meters above the ground. The six o'clock position on the ferris wheel is level with the loading platform. The wheel completes 1 full revolution in 10 minutes. The function h =

    asked by Anonymous on March 25, 2013
  46. Physics

    A 400.0-m-wide river flows from west to east at 30.0 m/min. Your boat moves at 100.0 m/min relative to the water no matter which direction you point it. To cross this river, you start from a dock at point A on the south bank. There is a boat landing

    asked by Kyle on July 27, 2011
  47. physics

    A 400.0-m-wide river flows from west to east at 30.0 m/min. Your boat moves at 100.0 m/min relative to the water no matter which direction you point it. To cross this river, you start from a dock at point A on the south bank. There is a boat landing

    asked by Kyle on July 26, 2011
  48. Math

    A deer population was measured to be 4000. Two years later , it was measured to be 4300. assume the population grows exponentially. A). Write an equation describe this situation. Find values of all constants. b) What will the population be four years after

    asked by George on June 17, 2018
  49. IPC

    A basketball is thrown 12 meters across a basketball court at a speed of 7 m/s. How long was the basketball traveling?

    asked by Corrie on September 11, 2012
  50. Oceans

    (I think I'm supposed to use residence time?) About 30,000 years ago, during the last glacial maximum, glaciers and ice sheets stored enough water to decrease the sea level by 120 m. Presently, there are about 3.05x106 km3 of ice contained within the

    asked by Sam on September 25, 2014
  51. electricity

    including a full wave rectifier in an AC circuit will yield a ----- current. A)intermittent direct. B)intermittent alternating. C)continuous direct. D)continuous alternating. Full wave rectifier will reverse the negative waves, making the output voltage

    asked by angela on August 23, 2005
  52. engineering

    I am studying Fire Science Engineering. I have a question concerning my homework. The question is A compartment measures 3 meters by 5 meters and is 2.8 meters high. A fire raises the temperature from 20 degrees C to 1000 degrees C. If the starting

    asked by Deborah on October 29, 2011
  53. Geometry

    Find the surface area of a conical grain storage tank that has a height of 46 meters and a diameter of 16 meters. Round the answer to the nearest square meter. A. 1375 m^2 B. 3151 m^2 C. 2548 m^2 How would I go about doing this?

    asked by CarpeDiem on March 29, 2016
  54. Science

    1. Which skill involves creating representations of complex objects or processes A. Classifying B. Predicting C. Making models**** D. Evaluating 2. The mass of an object is described in what A. Meters B. Cubic meters C. Liters D. Grams ****

    asked by Hayley on August 7, 2017
  55. Algebra

    A brick is dropped from the Empire State Building at a height of 324 meters. If you neglect any type of air resistance, what is the distance in meters that the ball falls during the interval between the 8th and 9th second?

    asked by Mary on September 21, 2008
  56. Science

    1. Which skill involves creating representations of complex objects or processes A. Classifying B. Predicting C. Making models D. Evaluating 2. The mass of an object is described in what A. Meters B. Cubic meters C. Liters D. Grams

    asked by Serenity on September 10, 2015
  57. Chemistry

    In Millikan's experiment, the charge on each drop of oil was measured in coulombs. Imagine the same experiment, but with charges measured in a fictitious unit called a zeet (). Drop Charge () A 1.38×10−14 B 3.22×10−14 C 3.68×10−14 D 4.14×10−14

    asked by Jen on September 9, 2011
  58. chemistry

    In Millikan's experiment, the charge on each drop of oil was measured in coulombs. Imagine the same experiment, but with charges measured in a fictitious unit called a zeet (Z). Drop Charge (Z) A 8.40×10−15 B 1.96×10−14 C 2.24×10−14 D

    asked by Syeda on March 6, 2010
  59. Physical Science

    The air temperature on a certain day is 86 degrees F A)Convert to Celsius? B) Calculate the sound of speed in air? C)When a 653Hz tornado siren is turned on, the sound takes 2.3s to reach an observer. How far is the observer from the main siren, and what

    asked by Charles on March 2, 2014
  60. PHYSICS

    A bat can detect small objects, such as an insect, whose size is approximately equal to one wavelength of the sound the bat makes. If bats emit a chirp at a frequency of 8.31 104 Hz, and if the speed of sound in air is 343 m/s, what is the smallest insect

    asked by Ame on November 30, 2012
  61. FINANCE II

    THE EXTENT TO WHICH INVENTORY FINANCING MAY BE USED DEPENDS ON?

    asked by LIN on October 6, 2009
  62. physics

    Is torque depends on the choice of origin

    asked by SAGAR on July 21, 2016
  63. Science

    Rate of evaporation depends on blowing of

    asked by Arva on February 13, 2018
  64. Physics

    What are the three factors on which thermal energy depends?

    asked by SMK on February 10, 2012
  65. Finance

    The extent to which inventory financing may be used depends on

    asked by bob on December 9, 2010
  66. Nouns

    Would "spouse" be considered a noun or depends on how it's used??

    asked by Carlos on May 13, 2010
  67. english

    A successful academic argument depends upon

    asked by Anonymous on May 5, 2017
  68. chemistry

    why does the neutrality in the blood depends on the concentrations of [H+] and [OH-] rather than pH.

    asked by Cortney on May 6, 2015
  69. heat transfer

    thermal conductivity of solids depends on ??

    asked by jigs on July 24, 2013
  70. geography

    climate depends on such factors as an area's

    asked by stephanie on August 27, 2009
  71. chemistry

    what are the distinct characteristic does radiocarbons depends on?

    asked by stephen on May 22, 2019
  72. Physics

    Indicate true or false in each of the following statements: 1. a tube open at one end resonates with only odd harmonics 2. The frequency of a sound emitted by a vehicle as it moves toward you rises as you listen 3. a tube open at both ends resonates with

    asked by Katie on May 8, 2008
  73. Math

    It is impossible to measure the length of a particular swamp directly. (Snapping turtles!!) Kendra put a stake in the ground and measured from the stake to opposite ends of the swamp, the results being 410 m and 805 m. She measured the angle between the

    asked by T on April 5, 2018
  74. physics

    A child, starting from rest at the top of a playground slide, reaches a speed of 7.0 meters per second at the bottom of the slide. What is the vertical height of the slide? [Neglect friction.]

    asked by ashley --- HELP PLEASEE!!! on May 8, 2011
  75. Quiz

    What is the correct answer?1. Lucia works for a lawyer who depends on her for everything. Answering phones, planning business trips, proofreading documents, and scheduling appointments. (Points : 1) Lucia works for a lawyer who depends on her for

    asked by Michael on May 15, 2012
  76. Physics

    Julie throws a ball to her friend Sarah. The ball leaves Julie's hand a distance 1.5 meters above the ground with an initial speed of 17 m/s at an angle 34 degrees; with respect to the horizontal. Sarah catches the ball 1.5 meters above the ground. 1) what

    asked by Yolanda on January 24, 2017
  77. Math

    ilorin is at 8.5 degree to the north,4.6 degree to the east and free town at 8.5degree to the north,13.3degree to the west calculate(a)their distance apart,measured along the parallel of latitude(b)their distance from the equqtor(c)their speed in km/h due

    asked by flexy on October 24, 2012
  78. math

    At the amusement park, you decide to ride the Ferris wheel, which has a maxmum height of 80 meters and a diameter of 40 meters. It takes the wheel seven minutes to make one revolution. If you start your ride at the midline and the ferris wheel rotates

    asked by jackie on November 21, 2014
  79. Physics

    A 5.o kg box is lifted to a height of 10 meters at a constant speed. a)How much power is required to complete this task in 10 seconds? b)Calculate the velocity of the box just as it hits the ground? i have the answers but i need a second opinion a)50 watts

    asked by Mexico on April 6, 2011
  80. physics

    a 2.0 kg bad is held by a string to the ceiling . A 10 g bullet traveling at 200 m/s strikes the stationary bag. the height after the collision is 10.0 cm. assuming there is no friction, determine the speed, in meters per second, of the bag after the

    asked by terry on January 12, 2013
  81. Physics

    A 5.o kg box is lifted to a height of 10 meters at a constant speed. a)How much power is required to complete this task in 10 seconds? b)Calculate the velocity of the box just as it hits the ground? i have the answers but i need a second opinion a)50 watts

    asked by Mexico on April 6, 2011
  82. Physics

    A small plane takes off with a constant speed of 130 km/h at an angle of 37 degrees. In 3.00 s, how high is the plane and what horizontal distance has it traveled from the lift-off point. I know I should convert 130km/h into meters per second, but after

    asked by Emma on November 29, 2007
  83. Science

    Why can't companies make standard measured products to sell within the USA and make metric measured products to sell outside the United States?

    asked by Libby on September 30, 2013
  84. calculus

    The width of a rectangle is measured as 12.3 cm, while the length is measured as 28.8 cm. The width measurement could be off by 1.2 cm, and the length could be off by .04 cm. Estimate the maximum possible error in calculating the area of the rectangle.

    asked by Jane on December 9, 2011
  85. English

    Thousands at His bidding speed And post o'er land and ocean without rest: They also serve who only stand and wait." God sends angels to whisper His will into people's ears. A person who does not dream of greatness cannot have faith in God. A person does

    asked by Steve on October 28, 2017
  86. Chemistry

    Suppose that the dot/area representing the longest wavelength of color in this situation was located 21 mm from the baseline, and the dot/area representing the shortest wavelength of color was located 36 mm from the baseline (see Figure 9.4 on page 288 for

    asked by Susuie on August 31, 2014
  87. Physics-Optics

    A point source of light illuminates an aperture 4.00m away. A 18.0 cm -wide bright patch of light appears on a screen 2.00m behind the aperture. I have been trying to use the equation w=(2*wavelength*distance)/aperature width. However, I am not given

    asked by Jessica on February 21, 2011
  88. History

    What is the best title for this map? A map of South America, Africa, and parts of North America and Asia between the years seventeen hundred and eighteen hundred and seventy. The states, cities, and regions that are labeled are Danish Caribbean, North

    asked by Help me on December 11, 2018
  89. BIOMECHANICS

    The NCAA requires that a basketball dropped from a height of 1.83 m (measured to the bottom of the ball) bounce to a height of 1.24 to 1.37 m (measured to the top of the ball). Assuming the diameter of a typical basketball is 0.25 m, calculate the

    asked by jhkh on December 5, 2010
  90. Algebra II

    Suppose that an object is dropped from a height of h meters and hits the ground with a velocity of v meters per second. Then v= sqrt19.6h. If an object hits the ground with a velocity of 24.2 meters per second, from what height was it dropped? Carry your

    asked by Bryan on April 1, 2014
  91. Algebra--please help!

    I'm having some trouble with my algebra homework. Please walk me through the question completely and give me the answer so I can fully understand it if I would ever need to solve a similar problem. Here's the problem: #1: Jon begins jogging at a steady 3

    asked by Caroleen on January 6, 2009
  92. Algebra--help really needed!

    I'm having some trouble with my algebra homework. Please walk me through the question completely and give me the answer so I can fully understand it if I would ever need to solve a similar problem. Here's the problem: #1: Jon begins jogging at a steady 3

    asked by Caroleen on January 6, 2009
  93. calculus : related rates

    a balloon rises at a rate of 3 meters per second from a point on the ground 30 meters from an observer. find the rate of change of the angle of elevation of the balloon from the observer when the balloon is 30 meters above the ground... so i drew a small

    asked by dave on November 5, 2007
  94. Chemistry

    For a Vibrational Raman, will the S or O branch be at the higher wavelength? For a Rotational Raman, will the S or O branch be at the higher wavelength?

    asked by John on October 9, 2010
  95. Atomic physics

    5)a. Electrons accelerated by a potential difference of 12.23 V pass through a gas of hydrogen atoms at room temperature. Calculate the wavelength of light emitted with the longest possible wavelength. b. Calculate the wavelength of light emitted with the

    asked by Sandhya on April 14, 2008
  96. Math Word Problems

    #1. The pressure P of a compressed gas is inversely proportional to the volume V. If there is a pressure of 35 pounds per square inch when the volume of gas is 400 cubic inches, find the pressure when the gas is compressed to 100 square inches. #2. A

    asked by Carmen on September 1, 2010
  97. Math-12th grade

    #1. The pressure P of a compressed gas is inversely proportional to the volume V. If there is a pressure of 35 pounds per square inch when the volume of gas is 400 cubic inches, find the pressure when the gas is compressed to 100 square inches. #2. A

    asked by Mary on September 9, 2010
  98. english- main idea

    A hurricane is a very powerful storm. It is a cyclonic storm, which means that it has a circular pattern within the hurricane within the hurricane. The name hurricane refers to storms that startover the Atlantic Ocean or eastern Pacific Ocean. For example,

    asked by Kaylene on March 12, 2013
  99. Physics

    Electrons are ejected from a surface with speeds ranging up to 6.0 x 10^5 m/s when light with a wavelength of 400 nm shines on it. a.) What is the work function of this surface? b.) What is the threshold frequency for this surface? c.) What is the

    asked by Nathaniel on June 12, 2006
  100. college chemistry

    the Cu(No3)2 solution was diluted to 0.001 M. The voltage was measured against standard zinc electrode and found to be 0.89 volts.. 1. write the cell reaction. 2. write the line notation for the reaction. 3. Use the nernst equation to calculate what the

    asked by Anonymous on May 19, 2015

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