1. Science

    Adam suffers from severe emphysema. Gas exchange in his lungs is not adequate, and he requires supplemental oxygen. But even though his blood carbon dioxide levels are elevated, his blood pH is close to normal. Considering the urinary system, explain how

    asked by Colleen on July 30, 2014
  2. anatomy

    When comparing Tay-Sachs disease and Duchenne's muscular dystrophy which of the following do both have in common? A.they both involve malfunction of the nervous system B.they both involve mutations in which fat replaces normal tissue C.they both are

    asked by unknown on September 30, 2008
  3. working in a pharmacy

    when a special begins to lose its impact you should a.transfer the products to theshelves at their normal price b.move the products to another spot c.send the stock back to the manufacture or supplier. d.set up an attractive display using your product

    asked by susue on January 23, 2013
  4. Statistics

    Can any one help me with this? ThermoStar has been producing residential thermostats for over 50 years. Looking over the past 20 quarters (5 years) of the different product lines, the general manager has been trying to get a handle on sales, costs, and

    asked by Trisha on August 20, 2009
  5. Englsih

    Can someone please proofread this essay? Totalitarianism Throughout World War 1 there were many totalitarian leaders that wanted to take over of a country. Leaders such as Stallin wanted to take over of a country forcing people to do what they told them to

    asked by Mario Garcia on February 14, 2013
  6. Quantum computers

    PROBLEM 5 Suppose we ran m steps of Grover's algorithm on some function f (which has one marked element y) and the resulting superposition was exactly |y⟩. PROBLEM 5A (4 points possible) If we run for m+1 additional steps (i.e. total of 2m+1 steps from

    asked by Manquillo on October 19, 2013
  7. Physics

    The coefficient of static friction between the 3.00 -kg crate and the 35 degree incline is .300. What minimum force must be applied to the crate perpendicular to the incline to prevent the crate from sliding down the incline.

    asked by Jas on September 26, 2011
  8. physic

    The coefficient of static friction between the m = 3.20 kg crate and the 35.0° incline of the figure below is 0.340. What minimum force must be applied to the crate perpendicular to the incline to prevent the crate from sliding down the incline?

    asked by Chan on October 16, 2009
  9. Physics

    The coefficient of static friction between the 2.90 kg crate and the 35.0° incline of Figure P4.41 is 0.260. What minimum force F must be applied to the crate perpendicular to the incline to prevent the crate from sliding down the incline?

    asked by David on October 7, 2013
  10. physics

    The coefficient of static friction between the 2.3 kg crate and the 35.0° incline of Figure P4.47 is 0.241. What minimum force, F, must be applied to the crate perpendicular to the incline to prevent the crate from sliding down the incline?

    asked by Anonymous on October 5, 2012
  11. physics newtons laws 3

    The coefficient of static friction between the m = 3.20 kg crate and the 35.0° incline of Figure P4.41 is 0.260. What minimum force must be applied to the crate perpendicular to the incline to prevent the crate from sliding down the incline?

    asked by luc on October 18, 2009
  12. physics

    The coefficient of static friction between the 2.3 kg crate and the 35.0° incline of Figure P4.47 is 0.241. What minimum force, F, must be applied to the crate perpendicular to the incline to prevent the crate from sliding down the incline?

    asked by Anonymous on October 5, 2012
  13. fast answer plss

    the sum of four angles about a point is 360degree.the measure of the 2nd angle is 6degreemore than 3times the 1st,the measure of the 3rd is 3degree more than twice the first,the measure of the 4th is 20 degree less than the 3rd.what is the measure of each

    asked by math algebra on October 11, 2013
  14. Math

    determine the length of the sides and the measures of the angles for the congruent quadrilaterals B'C' (On the picture it shows 50 degrees for B'C'(which is on the left hand side) and 9 for D'A' (On the right hand side)the picture shows that it is upside

    asked by Geena on May 6, 2011
  15. physics

    A large grinding wheel in the shape of a solid cylinder of radius 0.370m is free to rotate on a frictionless, vertical axle. A constant tangential force of 470 N applied to its edge causes the wheel to have an angular acceleration of 0.800 rad/s2. (a) What

    asked by Anonymous on November 11, 2012
  16. physics

    A large grinding wheel in the shape of a solid cylinder of radius 0.330 m is free to rotate on a frictionless, vertical axle. A constant tangential force of 210 N applied to its edge causes the wheel to have an angular acceleration of 1.161 rad/s2. (a)

    asked by Anonymous on November 9, 2011
  17. Chemistry

    "Suppose some sort of clamp is applied to hold an electron fixed at the distance of 2.5 Angstroms from a lithium nucleus Li3+ which is also clamped into position. Calculate the magnitude of the force between the two fixed particles." The books says the

    asked by Zach on October 17, 2011
  18. math 12

    In his best year, Mickey Mantles batting average was o.365. In that year, what was the probability that he would get exactly 5 hits in 15 times at bat? Compare the results from the normal approximation with the results from a calculation using a binomial

    asked by kitkat on January 19, 2011
  19. chemistry

    Under an O2 pressure of 1.00 atm, 28.31 mL of O2 dissolves in 1.00 L H2O at 25 degrees. Determine the molarity of O2 in an aqueous solution at equilibrium with air at normal atmospheric pressure. The volume percent of O2 in air is 20.80 \%. (Have no idea

    asked by david on February 20, 2010
  20. Criminal Justice

    Which statement best describes physical aggression in preschool children? A. It is a strong predictor of later violence. B. It declines if ignored by caretakers. C. It is a normal developmental behavior. D. It rarely, if ever, occurs in preschool children.

    asked by Amy on August 20, 2014
  21. elementary statistics

    The distribution of cholesterol levels in teenage boys is approximately normal with u=170 and o=30. Levels above 200 warrent attention. Find the probability that boy has a cholesterol level greater than 225.

    asked by joanne on May 29, 2011
  22. Physics

    A light ray strikes a flat, L = 3.7 cm thick block of glass of refractive index 1.47 in the attached figure, at an angle of È = 340 with the normal. Calculate the lateral shift of the light ray, d.

    asked by mm on March 30, 2010
  23. physics

    A person pushes a 11.0 kg lawn mower at constant speed with a force of 82.0 N directed along the handle, which is at an angle of θ = 45.0° to the horizontal.Calculate the normal force exerted vertically upward on the mower by the ground.

    asked by Anonymous on November 5, 2010
  24. statistik

    twenty percent of the employees of a large company are female.use the normal approximation of the binomial probabilities to answer the following question. what is the probability that in a random sample of 80 employeses a)exactly 16 will be female? b)14 or

    asked by mira on November 28, 2012
  25. Math (Solving Equations)

    Find all solutions (answers should be given in simplified form). Some answers may involve the number i. *I will use lowercase l to represent absolute value lines.* 3 lx-1l + 4 = 19 We've never really worked with absolute value in solving equations before.

    asked by Leah on May 17, 2015
  26. statistics

    The GPAs of all students enrolled at a large university have an approximately normal distribution with a mean of 3.02 and a standard deviation of .29. Find the probability that the mean GPA of a random sample of 20 students selected from this university is

    asked by lol on April 16, 2013
  27. math 12

    In his best year, Mickey Mantles batting average was o.365. In that year, what was the probability that he would get exactly 5 hits in 15 times at bat? Compare the results from the normal approximation with the results from a calculation using a binomial

    asked by kitkat on January 23, 2011
  28. Physics

    A light ray strikes a flat, L = 3.7 cm thick block of glass of refractive index 1.47 in the attached figure, at an angle of È = 340 with the normal. Calculate the lateral shift of the light ray, d.

    asked by mm on March 30, 2010
  29. Statistics

    A simple random sample of 10 households, the number of TV's that each household had is as follows: 1, 3, 1, 2, 0, 2, 1, 1, 1, 5 Assume that it is reasonable to believe that the population is approximately normal and the population standard deviation is

    asked by Anonymous on June 26, 2013
  30. college

    Suppose that, for a certain exam, a teacher grades on a curve. It is known that the grades follow a normal distribution with a mean of 70 and a standard deviation of 7. There are 45 students in the class. How many students should receive an A? Please,

    asked by Anonymous on December 22, 2010
  31. Calc I

    I need to find the equations of the tangent and normal line for x^2-y^2=16, at the point (-5,3). I have to show every detail for my work...then use graphing software to enter my equations, so can anyone help me showing all the details of the work so that I

    asked by Kejo, Help!!!! on June 28, 2011
  32. AP calculus

    Find the equation of the normal to the curve f(x) = 3cos(2x) at the point x = 0. In class, we learnt to find the derivate of the function, which would represent the slope. After I did that, I found the slope to be 0.. but that is not what my graphing

    asked by cel on October 27, 2010
  33. statistics

    The true highway mileage, Y, of a specific brand of hybrid vehicle has a normal distribution with a mean of 42 and a standard deviation of 1.5. Find the probability that a randomly selected hybrid vehicle gets more than 38 miles to the gallon.

    asked by lisa on June 17, 2014
  34. physics

    an athlete has a large lung capacity of 7.0L. Assuming to be an ideal gas how many molecules of air are in the athletes lungs when the air temperature in the lungs is 37 degrees celcius under normal atmospheric pressure.

    asked by Standard C. on February 28, 2010
  35. physics

    What's your normal body temperature? It may not be 98.6°F, the oft-quoted average that was determined in the nineteenth century. A more recent study has reported an average temperature of 98.2°F. What is the difference between these averages, expressed

    asked by Anonymous on November 25, 2013
  36. stats

    glucose level in patients free of diabetes are assumed to follow a normal distribution with a mean of 120 and a standard deviation of 16. (20 pts) What proportion of patients has glucose levels exceeding 115?

    asked by genia on July 26, 2015
  37. physical edu

    Homeostasis a. is a state of unmanaged stress. b. describes the body during the fight-or-flight reaction. c. is a state of normal "housekeeping" functions. d. is the response of the body to prolonged exposure to stressors. I'm confused between D & B

    asked by Andy on June 18, 2012
  38. chemistry

    Under an O2 pressure of 1.00 atm, 28.31 mL of O2 dissolves in 1.00 L H2O at 25 degrees. Determine the molarity of O2 in an aqueous solution at equilibrium with air at normal atmospheric pressure. The volume percent of O2 in air is 20.80 \%. (Have no idea

    asked by david on February 20, 2010
  39. chemistry

    The normal boiling point of liquid butanol is 391 K. Assuming that its molar heat of vaporization is constant at 45.9 kJ/mol, the boiling point of C4H9OH when the external pressure is 0.647 atm is

    asked by Anonymous on December 1, 2017
  40. Math

    A glass is filled with water and the total weight is 220g. If the glass is halffilled with water, the total weight is 120g. What is the net weight of the glass? There may be a logic way of doing it but the following is the longer "math" way. G = weight of

    asked by Anonymous on March 31, 2007
  41. Cranes

    08/09/2005 Physics A crane is lifting a 200 pound object. The crane boom is 50 ft long. The boom forms an 85 degree angle with the horizontal. What is the torque applied to the crane boom?

    asked by Jerry on October 23, 2011
  42. Physics

    a 0.2kg rubber ball is dropped from the window of a building. It strikes the sidewalk below at 30 m/s and rebounds up at 25 m/s. If the ball is in contact with the sidewalk for 0.025s, what is the magnitude of the average force applied by the sidewalk on

    asked by Jazmin on October 21, 2012
  43. Physics !

    Three identical light bulbs are connected in series, then are disconnected and arranged in parallel. For each of the scenarios below indicate what changes (if any) take place A. Total resistance of the circuit B. Total current of the circuit C. Power

    asked by Ciara on April 7, 2015
  44. I NEED HELP WITH THIS

    Three identical light bulbs are connected in series, then are disconnected and arranged in parallel. For each of the scenarios below indicate what changes (if any) take place A. Total resistance of the circuit B. Total current of the circuit C. Power

    asked by Ciara on April 7, 2015
  45. programming

    Assume the input to be the charge for the food, draw a flowchart that will compute the total amount of a meal purchased at a restaurant. The output should be the charge for the food, the amount of a 15 percent tip, the amount of the 7 percent sales tax (on

    asked by stephanie on August 20, 2014
  46. college

    Answer the problems below and show or explain how you arrived at your final answer. 1. You sell premium toasters and are making a pricing decision. At a price of $100 (or “p = $100”) you predict that you can sell 30 of these premium toasters at your

    asked by jj on April 13, 2010
  47. Math

    Rainbow Harbor Cruises charges $16/adult and $8/child for a round-trip ticket. The records show that, on a certain weekend, 900 took the cruise on Saturday and 600 took the cruise on Sunday. The total receipts for Saturday were $12,800, and the total

    asked by Bersy on January 26, 2013
  48. Math

    Rainbow Harbor Cruises charges $16/adult and $8/child for a round-trip ticket. The records show that, on a certain weekend, 900 took the cruise on Saturday and 600 took the cruise on Sunday. The total receipts for Saturday were $12,800, and the total

    asked by Bersy on January 26, 2013
  49. math

    Rainbow Harbor Cruises charges $16/adult and $8/child for a round-trip ticket. The records show that, on a certain weekend, 1400 took the cruise on Saturday and 1000 took the cruise on Sunday. The total receipts for Saturday were $18,400, and the total

    asked by Anonymous on November 16, 2014
  50. Algebra Alley(MATH)

    Triangles ABC and RST are similar triangles. Angle A=2(x+15)^0 angle S=3x^0,and angle C=x^0. What are the measures of angles B,R,and T? What kind of triangles are they?

    asked by Bionca on September 20, 2010
  51. Math

    'one angle is 4 times as large as another angle of the same triangle. the third angle o the triangle has a measure of 60 degress.' what are the measures of the other two angles in the triangle.

    asked by Mike on February 23, 2012
  52. Math (Please help immediately)

    Two angles form a linear pair. The measure of one angle is 8 times the measure of the other angle. Find the measure of each angle.

    asked by C on September 6, 2012
  53. Intermediate Algebra

    A car used 3.5 gallons to make a 110 mile trip. How many gallons of gas would it take the same car to make a 360 mile trip

    asked by Christell on May 1, 2012
  54. trig

    weather balloon is directly west of two observing stations that are 10 mi apart. The angles of elevation of the balloon from the two stations are 17.6 degrees and 78.2 degrees. How high is the balloon?

    asked by alth on October 8, 2012
  55. math

    The measure of one angle is six more than three times the measure of another angle. If the two angles are complementary, find the measure of each. i keep trying to answer these type of questions but i always get the wrong answer?

    asked by Kenny on August 8, 2016
  56. Geometry

    The measure of angle B, the supplement of angle A, is four times the measure of angle C, the complement of angle A. I need to find the measure of all angles and i have no idea of where to start, any help would be appreciated.

    asked by Anonymous on October 21, 2012
  57. math

    Hi! I am super confused with this question and really need help. In a right triangle with a leg of 4 and a hypotenuse of 8, find the measures of all angles. a. 27 degrees, 63 degrees, 90 degrees b. 30 degrees, 60 degrees, 90 degrees c. 40 degrees, 50

    asked by girly girl on January 30, 2018
  58. Math

    Two dogs are 180 ft apart on opposite sides of a tree. The angles of elevation from the dogs to the top of the tree are 35 degrees and 23 degrees. What is the height of the tree?

    asked by May on July 30, 2008
  59. math

    a triangle has three internal angles. one angle measures 37 degrees another one measures 67 degrees. how many degrees does the third angle measure? 1) 28 2) 34 3) 76 4) 256 5) not anought information is given

    asked by michael on May 10, 2010
  60. Economics

    Mallory's total income last year was $24,000, but she could deduct $12,000 for various reasons. Her taxable income equals the amount left over after deductions. If she had to pay 15 percent of her taxable income in federal income tax, which you can

    asked by Kesha on March 16, 2015
  61. math

    Jackson has 14 pet birds and rabbits. The total number of rabbits have 44 more legs than the total number of birds. How many pets birds does he have?

    asked by Jada on October 17, 2013
  62. Physics

    A shell is launched at 140 m/s 56.0 degrees above the horizontal. When it has reached its highest point, it launches a projectile at a velocity of 110 m/s 35.0 degrees above the horizontal relative to the shell. 1) Find the maximum height (in m) about the

    asked by . on September 18, 2010
  63. math

    Three forces act on a hockey pick as it slides across the ice; the normal force N represents the force the ice exerts upward on the puck and is given by N= , the gravitational force G represents the downward force of gravity on the puck and is given by G =

    asked by Ryan on May 6, 2013
  64. Statistics

    A mathematically defined curve that is the comparison distribution used in ANOVA is called the: - Normal distribution - Chi Square distribution - F distribution - T distribution

    asked by Trey on October 11, 2009
  65. science quiz pls help!!!

    In the following diagram, the green ball changes direction after colliding with the red ball because the red ball has more momentum. True False***? 2. What is the momentum of a 20.0 kg scooter traveling at 5.00 m/s. 4.00 kg m/s 20.0 kg m/s 25.0 kg m/s 100

    asked by TTR+S<3 on March 18, 2014
  66. Physics

    A 25 N book sits on a table. What is the magnitude of the normal force the table exerts on the book?

    asked by Rachel on June 12, 2012
  67. calculus

    Find an equation of the plane through the point and perpendicular to the given vector. (7, 1, 5) ‹-3, 1, 2› I think I need the normal vector, but how do I find it? And then what do I do? Thank you.

    asked by lines & planes on August 25, 2011
  68. psychology

    In a normal distribution, what percentage of scores will fall between one standard deviation below the mean and one standard deviation above the mean?

    asked by alex on April 18, 2017
  69. physics

    - a 40 kf milk crate is placed on a 20◦ ramp. determine the force normal of the mil crate on the ramp.

    asked by Anonymous on December 13, 2010
  70. physical

    What is the value of the normal force if the coefficient of kinetic friction is 0.22 and the kinetic frictional force is 40 newtons?

    asked by Anonymous on November 17, 2014
  71. Physics

    1)A 0.050 m long wire is carrying a current of 2.0 A at right angles to a 0.15 T magnetic field. What is the magnitude of the force exerted by the magnetic field on the wire? F=ILB (0.050)(2.0)(0.15) 0.015 N 2)Which device is used to measure very small

    asked by Jon on April 11, 2008
  72. College Algebra and Trigonometry

    Two guys wires for a radio tower make angles with the horizontal of 50 degree and 49 degree. If the ground anchors for each wide are 150feets apart, find the length of each wire assuming the wires are straight and find the height of the tower?

    asked by Julani on November 5, 2012
  73. Geometry- how to write proof

    ABC is a right triangle. Angle C is 90 degree. Altitude CD is drawn to hypotenuse AB. Prove AB/BC = BC/BD and AB/AC = AC/AD This is a theorem. How do I prove it? Thanks. Dont you have similar triangles? You can show this by looking at the angles

    asked by Jen on February 23, 2007
  74. Physics

    Mass 1 and mass 2 are connected as shown by a massless, non-stretch rope that passes over a massless, frictionless pulley. The masses are on inclines which have friction. When the angles of the string are as given, mass 1 experiences an acceleration up the

    asked by Zac on July 25, 2012
  75. Physics

    An Ideal gas is sealed within a container at a temperature of 17 degree Celsius and a pressure of 101 KPa. The container is heated until temperature of the gas reaches 100 degree Celsius. A valve in the container is then opened to allow gas to escape until

    asked by Aboodi on November 9, 2017
  76. Math

    The table gives, for a particular object, the acceleration A caused by an applied force F. Acceleration (A)10 15 20 25 30 Force(F) 50 75 100 125 150 What force is required to produce an acceleration of 19? A) 19 B) 95 C) 114 D) 38

    asked by Sharee on August 5, 2010
  77. Physics

    The coefficient of static friction between the m = 2.95-kg crate and the 35.0° incline is 0.345. What minimum force must be applied to the crate perpendicular to the incline to prevent the crate from sliding down the incline?

    asked by Lala on October 26, 2011
  78. science

    The coefficient of static friction between 3.00 kg crate and the 35.0 incline is 0.300.what minimum force F must be applied to the crate perpendicular to the incline to prevent the crate from sliding down the incline

    asked by kathy on September 13, 2017
  79. Physics

    A shock absorber is a form of spring that resists compression. If a 200.0 N force is applied to a particular shock absorber, it is compressed 2.1 cm. What is the proportionality constant for this shock absorber?

    asked by Anonymous on January 13, 2018
  80. math

    Forces are applied to two ropes which are attached to the bumper of a stalled car. If F1 = 100 lbs at an angle of θ1 = 58 degrees, find the necessary magnitude and direction of force F2 so that the resultant force is 190 lbs in the direction shown.

    asked by nick on December 6, 2013
  81. Physics

    A golf ball with a mass of 50.3 g can be blasted from rest to a speed of 72.1 m/s during impact with a club head. Assume that the impact lasts only about 0.910 ms. Calculate the change in momentum of the ball. Calculate the average force applied.

    asked by Adam on March 18, 2013
  82. physics

    A 3.39 kg block is placed on top of a 11.8 kg block. A horizontal force of F = 61.3 N is applied to the 11.8 kg block, and the 3.39 kg block is tied to the wall. The coefficient of kinetic friction between all moving surfaces is 0.112. There is friction

    asked by Anonymous on October 4, 2012
  83. physics

    In the figure below, a constant force of magnitude 82.0 N is applied to a 2.55 kg shoe box at angle = 64.5°, causing the box to move up a frictionless ramp at constant speed. How much work is done on the box by a when the box has moved through vertical

    asked by Anonymous on October 14, 2012
  84. physics

    A car starts from rest and travels for 7.5 s with a uniform acceleration of +1.9 m/s2 The driver then applies the brakes, causing a uniform deceleration of 1.1 m/s2 If the brakes are applied for 2.9 s, how fast is the car going at the end of the braking

    asked by lexi on September 26, 2013
  85. physics

    A 3.39 kg block is placed on top of a 11.8 kg block. A horizontal force of F = 61.3 N is applied to the 11.8 kg block, and the 3.39 kg block is tied to the wall. The coefficient of kinetic friction between all moving surfaces is 0.112. There is friction

    asked by Anonymous on October 4, 2012
  86. Physics

    When James applied the brakes to his car, it slows unifromly from 15.0 m/s to 0.0 m/s in 2.50 s. How many meters before a stop sign must she apply her brakes in order to stop at the sign? Answers: 6.0m 37.5 m 18.8 m 48.0m Please help-I've just started

    asked by Ian on September 6, 2010
  87. Science

    I am trying to built a cross section of a beam. I need a strong light wood, that would give the best efficiency. A force of 1500lb is going to be applied on it. So i have to make sure it wont break. What is the best choice of wood beam, and also what kind

    asked by Panagiotis on October 28, 2010
  88. physics

    A golf ball with a mass of 48.0 g can be blasted from rest to a speed of 69.4 m/s during impact with a club head. Assume that the impact lasts only about 1.010 ms. Calculate the change in momentum of the ball. Calculate the average force applied.

    asked by Brandi on February 14, 2014
  89. PHYSICS HELP PLEASE !!!!!

    A mass of 17 kg lies on a horizontal surface with a coefficient of static friction of 0.54 and a coefficient of kinetic friction of 0.22. If a force, F, is applied parallel to the surface (+x direction if you prefer), what is the magnitude that F needs to

    asked by Amanda on October 25, 2011
  90. physics

    A body of mass 0.4kg moving with constant speed of 10m/s to north is subjected to a constant force of 8 N directed towards the south for 30s. Take the instant the force is applied to be t=0, the position of the body at that time to be x=0 and t =-5s and

    asked by jeet mali on October 24, 2015
  91. SCIENCE

    A block of mass m having charge q is sliding down an inclined plane of inclination and coefficient of friction.When uniform electric field E is applied parallel to the base of inclined plane,the block slides down with constant velocity.The value of E is?

    asked by GELSEY on April 28, 2017
  92. math

    Eleven graduate students have applied for two available teaching assistantships. In how many ways can these assistantships be awarded among the applicants if (a) No preference is given to any one student? (c) The group of applicants includes seven men and

    asked by Terry on January 10, 2017
  93. general physics

    a person horizontally pushes a 25 kg couch. Applied force is 18N and average resistive force is 7N. its pushed from rest to a final speed of 2.3 what is the distance pushed the time taken and the power delivered to push couch

    asked by Dani on January 14, 2016
  94. Physics

    A truck on a straight road starts from rest and accelerates at 3.0 m/s2 until it reaches a speed of 18.1 m/s. Then the truck travels for 24.5 s at constant speed until the brakes are applied, stopping the truck in a uniform manner in an additional 5.7 s.

    asked by Kelsey on September 10, 2013
  95. physics

    A car starts from rest and travels for 5.9 s with a uniform acceleration of +3.0 m/s2. The driver then applies the brakes, causing a uniform deceleration of 1.3 m/s2. If the brakes are applied for 2.1 s, how fast is the car going at the end of the braking

    asked by Sonia on October 7, 2012
  96. Physics

    The figure below shows an initially stationary block of mass m on a floor. A force of magnitude F = 0.550mg is then applied at upward angle = 19°. (a) What is the magnitude of the acceleration of the block across the floor if the friction coefficients are

    asked by Uina on February 16, 2015
  97. PHYSICS

    Two blocks of masses m1 = 4.5kg and m2 = 6.5kg resting on a frictionless area connected by light inextensible chord as shown. A horizontal force F of 33.0 N directed to the right is applied to m1 as shown. Find (A) acceleration and (B) tension of the

    asked by Camz on December 1, 2015
  98. Chemistry

    Elemental calcium is produced by the electrolysis of molten CaCl2. a) What mass of calcium can be produced by this process if a current of 7.5 * 10^3 A is applied for 48h? Assume that the electrolytic cell is 68% efficient. b) What is he minimum voltage

    asked by ACDub on April 10, 2014
  99. Physics

    A certain insect’s wing has been shown to deflect a distance 14.8 mm under a force of 0.19 N applied to the end of the wing. (a) If the wing is assumed to behave as an ideal spring, calculate the force constant in N/m. (b) At this deflection, how much

    asked by Sahar on April 21, 2016
  100. Physics

    The coefficient of static friction between the 3.78 kg crate and the 38° incline is 0.306. What minimum force must be applied to the crate perpendicular to the incline to prevent the crate from sliding down the incline? The acceleration of gravity is 9.8

    asked by Elizabeth on October 3, 2010