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  1. Life orientation

    Investigate the influence of self esteem and teenagers participating in risky behaviour

  2. Life orientation

    Two strategies that could be implemented by the community to ensure that the anti-substancs abuse campaign are effective

  3. chemistry! URGENT

    A standard solution is prepared for the analysis of fluoxymesterone (C20H29FO3), an anabolic steroid. A stock solution is first prepared by dissolving 10.0 mg of fluoxymestrone in enough water to give a total volume of 500.0 ml. A 100.0 micro liter aliquot

  5. physics

    While standing at the edge of the roof of a building, you throw a stone upward with an initial speed of 6.93 m/s. The stone subsequently falls to the ground, which is 17.1 m below the point where the stone leaves your hand. At what speed does the stone

  6. Life orientation

    The impact of risky behaviour in social, emotional, physical and spiritual

  7. Chemistry

    Consider an alloy that is 14.1% copper by mass in tin. Copper makes up what percentage of the atoms in this sample?

  8. College Physics

    Two forces, F⃗ 1 and F⃗ 2, act at a point, as shown in the picture. (Figure 1) F⃗ 1 has a magnitude of 8.20N and is directed at an angle of α = 55.0∘ above the negative x axis in the second quadrant. F⃗ 2 has a magnitude of 6.40N and is directed

  10. Life orientation

    After reading case study 1 and 2, summarize your findings on the impact of risky teenage behavior on one's own well-being by referring to the spheres of well being Spiritual

  11. life orientation

    Evaluate the impact of risky behavior on your personal which expectations in relation to the career l follow as nursing

  12. Life Orientation

    carefully examine the impact of drug addiction on the emotional and physical spheres

  13. Life orientation

    State four benefits of the youth participants in community anti-substance abuse campaigns

  15. physics

    You throw a baseball directly upward at time t = 0 at an initial speed of 13.3 m/s. What is the maximum height the ball reaches above where it leaves your hand? At what times does the ball pass through half the maximum height? Ignore air resistance and

  16. Math

    Suppose that 8 turns of a wire are wrapped around a pipe with a length of 60 inches and a circumference of 4 inches. What is the length of the wire

  17. Chemistry

    What is the frequency of the photons emitted by the hydrogen atoms when they undergo transitions from n=5 to n=3? In which region of the electromagnetic spectrum does this radiation occur?

  18. Life orientation term 3

    Memorandum research project risky behavior amongst today's youth

  20. Life orientation

    Examine the impact of risky behaviour on the different spheres of well-being as listed below 1. Social 2.Emotional 3.physical 4.spiritual

  21. Life orientation

    Analyze the impact of risky behavior on others by referring to the following spheres of well-being: - Social - Physical - Emotional

  22. physics

    Consider three displacement vectors, D = (5.8 m, -6.5 m), B = (-9.1 m, 2.1 m), and A = (22 m, 18.3 m). There exist scalars a and b such that aD + bB + A = 0. What is a? What is b?

  23. Physics

    During a baseball game, a batter hits a high pop-up. If the ball remains in the air for 6.36 s, how high does it rise? The acceleration of gravity is 9.8 m/s 2 . Answer in units of m.

  25. Math

    If the mine winch drum diameter is 6m,calculate how far the cage will drop for each single rotation of the drum,use the formula 2πr

  26. Physics

    A runner is jogging in a straight line at a steady vr= 2.2 km/hr. When the runner is L= 4 km from the finish line, a bird begins flying straight from the runner to the finish line at vb= 6.6 km/hr (3 times as fast as the runner). When the bird reaches

  27. social studies

    1. Why was the Declaration of Independence important select all that apply 2. What is the relationship between the Declaration of Independence and the Bill of Rights 3. Which ideas from the Declaration of Independence support women's suffrage

  28. Chemistry

    What is the maximum mass, in grams, of NH3 that can be produced by the reaction of 1.0 g of N2 and 1.0 g of H2 using the reaction below? N2+H2→NH3 (not balanced) A) 0.60 g B) 5.7 g C) 1.2 g D) 2.9 g

  30. physics

    Boxes A and B are connected to each end of a light vertical rope. A constant upward force F = 80.0 N is applied to box A. Starting from rest, box B descends 12.0 m in 4.00 s. The tension in the rope connecting the two boxes is 36.0 N. What are the masses

  31. Math

    1.)which two sq roots are used to estimate 5? a.)1 & 2 b.)2 & 4 ****** c.)4 & 9 d.)9 & 16 2.)which two sq roots are used to estimate 43? a.)25 & 36 b.)36 & 49***** c.)49 & 64 d.)25 & 64 3.)an estimate for the sq root of -66 is? a.)-6 b.)-7 c.)-8***** d.)-9

  32. Statistics

    In a genetics experiment on peas, one sample of offspring contained 421 green peas and 166 yellow peas. Based on these results, estimate the probability of getting an offspring pea that is green. Is the result reasonably close to the value of 3/4 that was

  33. chemistry

    The density of water at 30.0 °C is 0.9956 g/mL. If the specific gravity of acetic acid is 0.1040 at 30.0 °C, what is the density of acetic acid at 30.0 °C?

  35. chem

    net ionic equation. Aqueous acetic acid (HC2H3O2) is neutralized by aqueous barium hydroxide. i got H^+(g) + OH^-(g) --> H_2O(l) but it is wrong. are my states of matter wrong?

  36. physics

    You are watching an archery tournament when you start wondering how fast an arrow is shot from the bow. Remembering your physics, you ask one of the archers to shoot an arrow parallel to the ground. Unfortunately the archer stands on an elevated platform

  37. physics

    A chair of weight 150 lies atop a horizontal floor; the floor is not frictionless. You push on the chair with a force of = 38.0 directed at an angle of 41.0 below the horizontal and the chair slides along the floor.Using Newton's laws, calculate , the

  38. Life orientation

    Suggest practical solutions on how any five of the youth risk behaviour which you have investigated can be addressed/reduced

  40. Life orientation

    Develop 4 interview questions and responses on how inhuman farming methods could lead to ill health

  41. Life orientation

    Assess the value of positive role models on one's behaviour

  42. Physics

    A tennis ball isdropped from 1.52m abovethe ground. It rebounds to a height of 0.918 m. With what velocity does it hit the ground? The acceleration of gravity is 9.8 m/s2 . (Let down be negative.) Answer in units of m/s. (part 2 of 3) With what velocity

  43. Algebra

    A particle P of mass 2gms moves on the X-axis and is attracted towards origin O with a force numerically equal to 8x. If it is initially at rest at X = 10, find its position at any subsequent time assuming (a) no other force acts, (b) a damping force

  45. Math!!

    1. Which two square roots are used to estimate square root 8? A. 2 and 3 B. 3 and 4 C. 4 and 9 D. 9 and 16 2. Which two square roots are used to estimate square root 42? A. 25 and 36 B. 36 and 49 C. 49 and 64 D. 25 and 64 My answers: 1. B 2. B. Am I right?

  46. math

    For tax purposes, you may have to report the value of your assets, such as cars or refrigerators. The value you report drops with time. "Straight-line depreciation" assumes that the value is a linear function of time. If a $1020 refrigerator depreciates

  47. Chemistry

    The amount of heat required to raise 200 g of aluminum by 10 degrees celsius if its specific heat is 0.897 J/gC ? I need help. This is all confusing.

  48. Chemistry

    30 grams of a metal at 100 degrees Celsius is placed in a calorimeter containing 100 mL of water at 21 degrees Celsius. After a few minutes, the temperature inside the calorimeter is 24 degrees Celsius. What is the specific heat of the metal?

  50. The Binding Energy of Electrons?

    An X-ray photon of wavelength 0.954 nm strikes a surface. The emitted electron has a kinetic energy of 935 eV. What is the binding energy of the electron in kJ/mol? [KE =1/2 mv^2; 1 electron volt (eV) = 1.602 x 10^- 19 J]

  51. Chemistry

    An aqueous solution of an unknown solute is tested with litmus paper and found to be acidic. The solution is weakly conducting compared with a solution of NaCl of the same concentration. Which of the following substances could the unknown be: KOH,NH3,HNO3,

  52. Chemistry

    Which of the following have quantized values? The question may have more than one correct answer. 1. The pitch of a note played on a slide trombone because the pitch varies based on the position of the slide. 2. The pitch of a note played on a flute

  53. chemistry

    Enter the net ionic equation for the reaction of aqueous sodium chloride with aqueous silver nitrate

  55. Physics

    An engineer in a locomotive sees a car stuck on the track at a railroad crossing in front of the train. When the engineer first sees the car, the locomotive is 210 m from the crossing and its speed is 26 m/s. If the engineer’s reaction time is 0.62 s,

  56. physics 1

    In coming to a stop a car leaves skid marks 92m long on the highway. Assuming a decceleration of 7.00m/s^2, estimate the speed of the car just before braking.

  57. physics

    A rocket, initially at rest on the ground, accelerates straight upward from rest with constant acceleration 29.4 . The acceleration period lasts for time 9.00 until the fuel is exhausted. After that, the rocket is in free fall. Find the maximum height

  58. physics--drwls

    A record of travel along a straight path is as follows: 1. Start from rest with constant acceleration of 2.77 m/s^2 for 15 s 2. Constant velocity for the next 2.05 min 3. Constant negative acceleration -9.47 m/s^2 for 4.39 s. (a) What was the total

  60. MATH

    A baseball team won 16 of 24 games in the first season in several seasons combined and they won 36 games. How many games did they play in the combined seasons?

  61. Life orientation

    Six risky situation to which our youth is frequently exposed to

  62. Chemistry

    A compound that is composed of only carbon and hydrogen contains 80.0% C and 20.0% H by mass. What is the empirical formula of the compound?

  63. Science

    1.Suppose 10 atoms of carbon (C) react with 20 atoms of oxygen (O). According to the Law of Conservation of Matter, how many atoms will there be in the product of this reaction?(1 point) A. 20 B. 30*** C. 10 D. 15 2.Which procedure could be used to

  65. Business Finance

    You deposit $300 each month into an account earning 5% interest compounded monthly. a) How much will you have in the account in 25 years? $ b) How much total money will you put into the account? c) How much total interest will you earn?

  66. Physics

    A boy can throw a ball a maximum horizontal distance of R on a level field. How far can he throw the same ball vertically upward? Assume that his muscles give the ball the same speed in each case.

  67. Physics

    A box with mass 13.0 kg moves on a ramp that is inclined at an angle of 55.0∘ above the horizontal. The coefficient of kinetic friction between the box and the ramp surface is μk = 0.300. FIND A) Calculate the magnitude of the acceleration of the box if

  68. 9th Grade Literature

    1. Which of these is a complete sentence? A. Although the weather is sometimes warm in early March. B. Forecasters predict six more weeks of winter this year.

  70. Chemistry

    The following soluble salts are strong electrolytes. For each, write a balanced equation for their dissociation in water. NaBr BaBr2 Li3PO4

  71. math

    Draw a diagram to show that there are two tangent lines to the parabola y = x2 that pass through the point (0, −25). Find the coordinates of the points where these tangent lines intersect the parabola.

  72. physics

    a dockworker applies a constant horizontal force of 80 N to a block of ice on a smooth horizontal floor. The friction force is negligible the block start from rest and move 11m in 5 sec what is it mass & if worker stop pushing at 5sec .How for does the

  73. Physics AP

    A 32 kg child goes down a straight slide inclined 38∘ above horizontal. The child is acted on by his weight, the normal force from the slide, and kinetic friction. How large is the normal force of the slide on the child?

  75. math calculus

    In the year 2005, a picture supposedly painted by a famous artist some time after 1815 but before 1865 contains 95 percent of its carbon-14 (half-life 5730 years). Approximately how old is the painting? In years

  76. physics

    A frictionless incline is 5.00 m long (the distance from the top of the incline to the bottom, measured along the incline). The vertical distance from the top of the incline to the bottom is 4.03 m. A small block is released from rest at the top of the

  77. Algebra

    What inequality represents the verbal expression all real numbers less then 69? My answer is x

  78. physics

    a)Two cars are traveling along a straight line in the same direction, the lead car at 24.5m/s and the other car at 29.6m/s. At the moment the cars are 41.6m apart, the lead driver applies the brakes, causing her car to have an acceleration of -2.00m/s2.

  80. Chemistry

    If an 0.650 m aqueous solution freezes at –2.00 °C, what is the van't Hoff factor, i, of the solute? Kf values can be found here. the Kf value is 1.86 °C/m. I get 2 for the answer but it is wrong. Please help!

  81. Chemistry

    The density of pure silver is 10.5 g/cm3 at 20 °C. If 5.25 g of pure silver pellets is added to a graduated cylinder containing 11.2 mL of water, to what volume level will the water in the cylinder rise?

  82. calculus

    The point P(4, −2)lies on the curve y = 2/(3 − x). (a) If Q is the point(x, 2/(3 − x)),use your calculator to find the slope mPQ of the secant line PQ (correct to six decimal places) for the following values of x. 1) 3.9 mPQ= 2) 3.99 mPQ= 3)3.999

  83. Chemistry

    While heating two different samples of water at sea level, one boils at 102°C and one boils at 99.2°C. Calculate the percent error for each sample from the theoretical 100.0°C.

  85. physics

    On the Apollo 14 mission to the moon, astronaut Alan Shepard hit a golf ball with a golf club improvised from a tool. The free-fall acceleration on the moon is 1/6 of its value on earth. Suppose he hits the ball with a speed of 25 m/s at an angle of 28°

  86. Chemistry

    Express the concentration of a 0.0510 M aqueous solution of fluoride, F-, in mass percentage and in parts per million. Assume the desnity of the solution is 1.00 g/mL Since, we're assuming the density I think that also means were assuming the volume.. but

  87. Chemistry (urgent)

    The gold foil Rutherford used in his scattering experiment had a thickness of approximately 4×10^−3 mm. If a single gold atom has a diameter of 2.9 x10^-8cm , how many atoms thick was Rutherford's foil? Express your answer using one significant figure.

  88. Math

    At a temperature of 20°C, the volume V (in liters) of 1.33 g of O2 is related to its pressure p (in atmospheres) by the formula V(p) = 1/p (a) What is the average rate of change of V with respect to p as p increases from p = 7 to p = 8? L/atm (b) What is

  90. Calc.

    What are three real-world applications for vector projections? Thank you.

  91. Life orientation

    Describe any six risky situations to which our youth is frequently exposed to

  92. Technology

    If the mine winch diameter is 6m,calculate how far the cage will drop for each single rotation of the drum ,use the formula C 2=ttr

  93. Life orientation

    Grade 11 Research project About risky behaviour amongst today's youth 1summarize your findings on the impact of Risky teenagers behavior one's well being by referring to to the following sphere of well being social, emotional, physical and spiritual

  95. LIFE ORINTATION

    AFTER READING CASE STUDY 1AND 2,SUNNARIZE YOUR FINDINGS ON THE IMPACT OF RISKY BEHAVIOUR ON ONE'S WELL-BEING BY REFERRING TO THE FOLLOWING WEEL-BEING: -SOCIAL -EMOTIONAL -PHYSICAL -SPIRITUAK

  96. bio

    In 3-5 sentences, explain how the rate of photosynthesis or cellular respiration can be measured using products or reactants. Explain why the saying, “you are what you eat” is factually correct. A substance is dissolved in water, breaking down into its

  97. Life Orientation

    Discuss four contributing factors that may lead to an increased abusing substance in schools

  98. Life orientation

    Summarize your findings on the impact of risky teenage behaviour on one's well being by referring to the following spheres of well being: Social Emotional Physical Spiritual

  100. Science

    Which feature defines a neutral atom?

  101. Life orientation

    Analyze the impact of risky teenager behavior on others by referring to the following spheres of well being Social Physical Emotional

  102. biology

    Compare hypertonic, hypotonic, and isotonic solutions. When an environment is hypotonic, what happens to the cell?1pt a.The cell has more solute, so solvent moves from outside the cell to inside, causing the cell to swell. b.The environment has more

  103. algebra 1

    twice the difference of a number and 9 is at most -22

  105. chemistry

    How many molecules of glycerol (C₃H₈O₃; molecular mass = 92) would be present in 1 L of a 1 M glycerol solution?

  106. SCIENCE IMMEDIATE HELP PLZ

    in which chemical reaction is the number of atoms in the reactants the same as the number of atoms in the products? a. Zn+2HCI->H2+ZnCI2 b. CH4+O2->CO2+2H2O c. CO2+CH2OH+O2 d. Li2CO3->LiO+CO2

  107. Life orientation

    Four benefits of youth participation in community anti substance abuse campaigns

  108. Science

    1.)​CaCO3→CO2​+CaO A scientist heats 30 grams of calcium carbonate (CaCO3) in the chemical reaction shown. What is the total mass of the products?(1 point) A.)10 grams B.)15 grams C.)60 grams

  110. stats

    Which of the following can be reasonably modeled by a normal distribution? The favorite colors of students in a kindergarten class A The heights of tomato plants that were all planted on the same day B The percent of employees from a company who attended a

  111. Physics

    A horse is harnessed to a sled having a mass of 231 kg, including supplies. The horse must exert a force exceeding 1250 N at an angle of 36.3° (above the horizontal) in order to get the sled moving. Treat the sled as a point particle. HINT - Use the

  112. english

    Which sentence from the story includes indirect characterization? A. “She was very handsome, with a certain fine, rich coloring that belongs to the healthy brune type.” B. “During one of the pauses between their talk of the last tea and the next

  113. life orientation

    Why a study on environmental issues that cause ill-health a necessity?

  115. PHY

    Arlene is to walk across a “high wire” strung horizontally between two buildings 10.0 m apart. The sag in the rope when she is at the midpoint is 10.0º as shown in the figure below. If her mass is 50.0 kg, what is the tension in the rope at this

  116. Physics

    A 4500 kg truck is parked on a 7.0∘ slope. How big is the friction force on the truck?

  117. Physics 1

    A 1400 kg car traveling at a speed of 34 m/s skids to a halt on wet concrete where μk = 0.50. How long are the skid marks?

  118. Geometry

    The midpoint of CD is E(–1, 0). One endpoint is C (5, 2). What are the coordinates of the other endpoint?

  120. math

    Suppose f and g are continuous functions such that g(3) = 4 and lim x → 3 [3f(x) + f(x)g(x)] = 35. Find f(3).

  121. Life Orientation

    Define the concept "risk behaviour" and explain why it is important for teenagers to investigate and be knowledgeable about it

  122. physics

    A speeder traveling at a constant speed of 117 km/h races past a billboard. A patrol car pursues from rest with constant acceleration of (7.6 km/h)/s until it reaches its maximum speed of 175 km/h, which it maintains until it catches up with the

  123. Chemistry

    What would likely happen if you were to touch a metallic beaker in which an endothermic reaction were occurring? The beaker would probably feel cooler than before the reaction started. The beaker would probably feel warmer than before the reaction

  125. Physics

    The block shown in (Figure 1) has mass m = 7.0 kg and lies on a fixed smooth frictionless plane tilted at an angle θ = 22.0 ∘ to the horizontal. If the block starts from rest 15.2 m up the plane from its base, what will be the block's speed when it