# 1. What is one thing a strong introduction does NOT do? (1 point)capture the reader’s interest present evidence to explain the topic provide background information state the main idea of the report 2. Which is the correct MLA citation for

40,793 questions, page 357
1. ## Physics

A circular track has several concentric rings where people can run at their leisure. Phil runs on the outermost track with radius rP while Annie runs on an inner track with radius rA = 0.90 rP. The runners start side by side, along a radial line, and run

asked by Abby on October 6, 2016
2. ## economics

At an initial point on the aggregate demand curve, the price level is 100, and real to GDP is \$15trillion. After the price level rises to 110, however, there is an upward movement along the aggregate demand curve, and real GDP declines to \$14 trillion. If

asked by Tina on July 9, 2011
3. ## physics

A child, who is 45 m from the bank of a river is being carried downstream by the river's swift current of 1.0 m/s. As the child passes a lifeguard on the river's bank, the lifeguard starts swimming in a straight line until she reaches the child at a point

asked by Jean on September 3, 2014
4. ## Calculus

The horizontal position of an object from a point of origin in meters is modeled by the function x(t)= (1+sin(t))/(2+cos(t)) where t is measured in minutes and 0 is less than or equal to t which is less than or equal to 5. A) show that x(t)= (2cos(t)+sin

asked by Rodger on December 19, 2016
5. ## maths

(a) A random survey of 100 mobile telephone customers indicated that 96 of them had not experienced any difficulties in making mobile calls in the previous 3 months. (i) Derive a point estimate for customer satisfaction levels with the service (ii)

asked by Kate on April 26, 2012
6. ## Math

asked by Dianna on March 23, 2013

Paddy and Clare are writing effective conclusions. Paddy's conclusion will summarize his main point and reaffirm his theses statement. Clare's conclusion will take the readers beyond the scope of her essay. Who is writing an effective conclusion? A. Both

asked by Clare on March 31, 2015
8. ## Physics

When a spacecraft travels from the Earth to the Moon, both the Earth and the Moon exert a gravitational force on the spacecraft. Eventually, the spacecraft reaches a point where the Moon's gravitational attraction overcomes the Earth's gravity. How far

asked by Sam on October 13, 2012
9. ## Physics (When will Kathy overtake Stan if )

Kathy has a sports car that can accelerate at the rate of 4.90m/s^2. She races with Stan. Both cars start from rest but experienced Stan leaves starting line 1.00s before her. Stan moves with a constant aceleration of 3.90m/s^2 and Kathy maintains an

asked by ~christina~ on September 25, 2007
10. ## calculus

a)find the first partial derivatives of f(x y)= x √1+y^2 b)find the first partial derivatives of f(x,y)= e^x ln y at the point (0,e)

asked by maria on March 11, 2012
11. ## Physics

Charge A and charge B are 2.00 m apart, and charge A is +3.90 C and charge B is +4.00 C. Charge C is located between them at a certain point and the force on charge C is zero. How far from charge A is charge C?

asked by Bill on July 16, 2010
12. ## Algebra

Use the above graph of f(x) to complete the following table for values of its inverse function, f^{-1}(x). The graph has a point on (2,2)the y-intercept is 4 the x intercept is 3 x =-4, 8, 0, -2, 2 f^{-1}(x) Note: You can earn partial credit on this

asked by kim on June 7, 2015
13. ## Algebra

b)The water line is given by the equation y=-2/3x-12 Suppose you want to put a pink flamingo lawn ornament in your backyard, but you want to avoid placing it directly over the water line, in case you need to excavate the line for repairs in the future.

asked by Mandy on June 26, 2008

Question: 0.37 litre of an ideal monatomic gas (Cv,m = 3R/2) initially at 51 °C and 36 atm pressure undergo an expansion against a constant external pressure of 1.06 atm, and do 2.3 kJ of work. The final pressure of the gas is 1.06 atm. Calculate the

asked by Ashley on January 22, 2016
15. ## English (SATIRE)

How does this one show SATIRE??? i have an idea but im not 100% sure its right. WHY GOLF IS GREAT What is the best sport? It's one of the great debates in our country, one which you can hear argued at your local bastion of culture we commonly call the

asked by Soraya HELP!!! on April 12, 2009
16. ## Writing Skills Writing Assignment

I am trying to complete a 750 to 1000 word essay but I completely have no clue what to write about and my writing skills is a bit lacking. It needs to be about a personal experience. I have more info if needed.This is the final paper result. Your final

asked by Jen on March 14, 2014
17. ## Calculus

Hi! My question is: Given that f is a function defined by f(x) = (2x - 2) / (x^2 +x - 2) a) For what values of x is f(x) discontinuous? b) At each point of discontinuity found in part a, determine whether f(x) has a limit and, if so give the value of the

asked by Hillary on September 24, 2009
18. ## Financial accounting

What does rule of thumb evaluation method mean? no matter how many times i read this, I get different answers..and how would I calculate this or what is the formula for the rule of thumb evaluation method??? I am supposed to compute this example: Arcadia

asked by anonymous on March 5, 2010
19. ## american goverment check answers

6.  In January 2013, the United States officially recognized the government of Somalia for the first time since 1991. Which of the following is one reason for this action? (1 point)

asked by Anonymous on November 1, 2016
20. ## Physics

The cable of an elevator of mass M = 1020 kg snaps when the elevator is at rest at one of the floors of a skyscraper. At this point the elevator is a distance d = 18.4 m above a cushioning spring whose spring constant is k = 6500 N/m. A safety device

asked by Elle on October 27, 2007
21. ## Physics

The cable of an elevator of mass M = 1020 kg snaps when the elevator is at rest at one of the floors of a skyscraper. At this point the elevator is a distance d = 18.4 m above a cushioning spring whose spring constant is k = 6500 N/m. A safety device

asked by Elle on October 27, 2007
22. ## english

American interest in mixed martial arts is growing. Both male and female athletes are invited to compete, although this sport is not recommended for the prima donna. This full contact fighting combines various martial arts techniques so fighters with

asked by yamean on May 27, 2015
23. ## Algebra

Take the real-life situation and create an equation or inequality that could be used for analysis, prediction, or decision making. Then, draw a graph to depict the variables in your situation. Use your graph and what you know about linear inequalities to

asked by Evevlyn on July 2, 2007
24. ## Plz Check my Geometry(sOo0n)

Out of 31 questions these are ones I struggled with. after the = sign is what I think the answer( except for #4, I don't know what to do at all), is so if I'm wrong can someone correct it with an explanation/formula with it please? 1.) Find the area of the

asked by Ariel on June 10, 2010
25. ## Social studies

A small, but wealthy and powerful,church community is seeking to buy the only television station in a 200 mile radius. Based on the point of view presented,what is the best argument against this sale? 1) tax money should not be used to support the church

asked by sandra on April 18, 2017
26. ## Science

What are the disadvantages of cutting down rainforests? I've already looked it up and got some info, so if anyone knows any additional info i could add to it, I'd appreciate it. Well, here's what I got: -Trees produce Oxygen and carbon dioxide -farmers CAN

asked by John on January 12, 2009
27. ## Math

1. Imagine driving down a mountainside. You see a sign indicating there is a 12% grade. Approximate the amount of horizontal change in your position if you note from elevation signs that you have descended 2000 feet vertically. Use the embedded equation

asked by Khylisha on February 9, 2011
28. ## Plz Check my Geometry(sOo0n)

Out of 31 questions these are ones I struggled with. after the = sign is what I think the answer( except for #4, I don't know what to do at all), is so if I'm wrong can someone correct it with an explanation/formula with it please? 1.) Find the area of the

asked by Ariel on June 10, 2010
29. ## groundwater science

Assume that a losing stream exists in physical connection with groundwater in an isotropic unconfined aquifer. Assume that several contour lines of equal head cross the stream and intercept it. These contour lines of equal head are "V-shaped", with the

asked by dan on February 19, 2011
30. ## Chemistry

A student titrates a 25.00 mL sample of HCl. If 20.50 mL of 0.175 M of KOH is required to reach the end point, what is the concentration of the HCl? 25.0 mL HCl x 1L/1000 mL x 0.175 M/1 L = 0.004375 mol HCl 0.004375 mol HCl/20.50 mL KOH x 1000 mL/1 L =

asked by Linda on November 19, 2015
31. ## English

The habitat of a cactus is? Capable of storing water Choices are : Very Prickly, Capable of storing water, graish-green or the desert A mundane experience, in most people’s opinion, would be: A: Grocery shopping. C. Sky-drying B Meeting one’s future

asked by jennifer on November 29, 2015
32. ## College Algebra

A person who is 6 feet tall walks away from flagpole toward the tip of the shadow of the flagpole. When the person is 30 feet from the flagpole, the tips of the person's shadow and the shadow cast by the flagpole coincide at a point 5 feet in front of the

asked by Brittany on November 25, 2007
33. ## SCIENCE HELP PLS

How does using coal to generate electricity affect the environment? (1 point) Using more coal reduces the amount of pollution from using oil. Using coal improves the quality of nearby water. Using coal, instead of wood from trees, helps improve the

asked by Annaleigh on May 27, 2016
34. ## Math

I am not sure how to go about figuring this out ... Shuffle the numbered cards of an ordinary deck of cards (aces equal 1). Pick out one card to be the answer card. Then deal off the top four cards to use for an equation. Try to use 2,3,or all 4 cards to

asked by Dylan on September 9, 2007
35. ## Government

I am a college student but I really need help with one of my classes. I was wondering if you could help. Thanks! How did the Voting Rights Act of 1965 and the Civil Rights Act affect other minority groups? These articles point out that the Civil Rights and

asked by Kat1025 on October 23, 2006
36. ## physis

A house painter stands 3 m above the ground on a 4.9-m-long ladder that leans against the wall at a point 4.7 m above the ground. The painter weighs 697 N and the ladder weighs 180 N. Assuming no friction between the house and the upper end of the ladder,

asked by hankash on March 4, 2013
37. ## physics - Damon

PLEASE SEE ADDITIONAL QUESTION AT BOTTOM. A pendulum was set up and measurements were made to enable the mechanical energy to be calculated at the start position S and the lowest point of the pendulums swing L. The mass of the pendulum bob was determined

asked by Sarah on January 30, 2010
38. ## Pre Calculus 12

Modelling with sine/cosine A Ferris wheel has a diameter of 30m. The bottom of the wheel is 1.5m off the ground it takes 3.5min to make one complete revolution. a person gets on ferris wheel at its lowest point at time = 0. write an equation that

asked by Shreya on January 23, 2013
39. ## physics

A 2kg block situated on a rough incline is connected to a spring of negligible mass having a spring costant of 100N/m.the pulley is frictionless.the block is released from rest when the spring is unstretched.the block moves 20 cm down the incline before

asked by virginia on April 2, 2015
40. ## statistics

Based on data collected by the National Center for Health Statistics and made available to the public in the Sample Adult database, an estimate of the percentage of adults who have at some point in their life been told they have hypertension is 23.53

asked by Hussain on March 21, 2019
41. ## biology o science

Very few fossils of jellyfish or their close relatives have been found. This makes it hard to trace the evolutionary history of jellyfish using the fossil record. What explains this? (1 point) Jellyfish fossils are buried deep under the ocean floor, not in

asked by claudia 2015 on May 14, 2015
42. ## English

Identify the infinitive phrase in the sentence below. The pilot agreed to fly from Texas to Oklahoma. (1 point) agreed to fly fly from Texas to Oklahoma to fly from Texas to Oklahoma

asked by smileyfaceL0L on October 2, 2012
43. ## Math

Lee walks along the edges of a rectangular pool from point A to B to C to D, a distance of 38 metres. Marina walks along the edges of the same pool from B to C to D to A, a distance of 31 metres. What is the perimeter of the pool, in metres?

asked by Al on October 24, 2017
44. ## Algebra

Can you please help me with the below question: The vertex of a parabola is located at (-12, -1). The parabola also passes through the point (-10, 5). Write the equation of this parabola in both vertex form and standard form. Vertex form: Standard form:

asked by Janae on March 4, 2017
45. ## Science

Create a scale for your model thermometer. Divide the distance between the two marks into 5-mm intervals. Starting with the lowest point, label the intervals on the straw 0, 1, 2, 3, and so on. Describe your scale below. So I don't understand this part:

asked by Kristy on December 16, 2018
46. ## Chemistry

How many grams of steam at 100 degrees celcuis would be required to raise the temperature of 35.8 g solid benzene (C6H6) from 5.5 - 45.0 degrees celcius. (the melting point of benzene is 5.5 degrees celcius, delta H fusion for benzene is 9.87 kj/mol,

asked by Anonymous on February 26, 2010
47. ## physics

A rifle is aimed horizontally at a target 30 m away. The bullet hits the target 1.9 cm below the aiming point. What are the a) the bullet's time of flight and b) its speed as it emerges from the rifle? A) is expose to be 62ms B) is expose to be 480m/s this

asked by jenny on October 24, 2006
48. ## Physics

A dart gun is aimed horizontally at the center of a large target 150 m away. The initial velocity of the dart is 450 m/s. (Ignore air resistance) a) Where does the dart strike the target (relative to the center of the target)? b) To hit the center of the

asked by Jacob on December 6, 2014
49. ## physics

A major leaguer hits a baseball so that it leaves the bat at a speed of 30.5m/s and at an angle of 36.9 degrees above the horizontal. You can ignore air resistance.At what two times is the baseball at a height of 8.50 above the point at which it left the

asked by Tee on September 21, 2008
50. ## Math-Statistics

A marketing research company needs to estimate which of two soft drinks college students prefer. A random sample of n college students produced the following 98% confidence interval for the proportion of college students who prefer drink A: (0.384, 0.424).

asked by Ashley on November 28, 2009
51. ## Physics

If 100 m sprinters accelerate from rest for 3.5 s at 2.8 m/s^2, how far have they run to this point? How long will it take them to complete the 100 m sprint, assuming they maintain their speed the rest of the way? I found the distance, which is 17 m, and

asked by Emily on September 30, 2010
52. ## earth-physics

The Earth has an angular speed of 7.272 10-5 rad/s in its rotation. Find the new angular speed if an asteroid (m = 1.07 1022 kg) hits the Earth while traveling at a speed of 1.30 103 m/s (assume the asteroid is a point mass compared to the radius of the

asked by huiol on February 26, 2012
53. ## physics HELP

Consider a coaxial cable with 2Amps in the center conductor coming out of the page, and 1Amp in the outer conductor going into the page. The center conductor has a radius of 1mm, the outer conductor's inner radius is 2mm, and the outer conductor's outter

asked by dalton on April 7, 2014
54. ## physics

Consider a coaxial cable with 2Amps in the center conductor coming out of the page, and 1Amp in the outer conductor going into the page. The center conductor has a radius of 1mm, the outer conductor's inner radius is 2mm, and the outer conductor's outter

asked by roger on April 6, 2014
55. ## physics

Consider a coaxial cable with 2Amps in the center conductor coming out of the page, and 1Amp in the outer conductor going into the page. The center conductor has a radius of 1mm, the outer conductor's inner radius is 2mm, and the outer conductor's outter

asked by mike on April 7, 2014
56. ## physics

Consider a coaxial cable with 2Amps in the center conductor coming out of the page, and 1Amp in the outer conductor going into the page. The center conductor has a radius of 1mm, the outer conductor's inner radius is 2mm, and the outer conductor's outter

asked by Anonymous on April 6, 2014
57. ## Physics

Two point charges, the first with a charge of +3.25×10−6 C and the second with a charge of -4.63×10−6 C , are separated by 25.5 cm. Find the magnitude of the electrostatic force experienced by the positive charge. Is the magnitude of the force

asked by Diddy on April 5, 2011

Two point charges, the first with a charge of +3.25×10−6 C and the second with a charge of -4.63×10−6 C , are separated by 25.5 cm. Find the magnitude of the electrostatic force experienced by the positive charge. Is the magnitude of the force

asked by Allison on April 4, 2011
59. ## Physics

Two point charges, the first with a charge of +3.25×10−6 C and the second with a charge of -4.63×10−6 C , are separated by 25.5 cm. Find the magnitude of the electrostatic force experienced by the positive charge. Is the magnitude of the force

asked by mink on April 5, 2011
60. ## physics

Two point charges, the first with a charge of +3.19×10^−6 C and the second with a charge of -4.32×10^−6 C , are separated by 28.0 cm. Find the magnitude of the electrostatic force experienced by the positive charge. Is the magnitude of the force

asked by Cooper on January 23, 2012
61. ## communications

similarities and differences between writing routine and positive messages, negative messages, and persuasive messages. Recall the importance of the three step writing process and incorporate this process into your presentation. What is a routine message?

asked by Wes on November 6, 2007
62. ## Pre-Calculus

Driving down Bald Mountain in Wyoming, Bob dean finds that he descends 1600 feet in elevation by the time he is 2.5 miles (horizontally) away from the high point on the mountain road. Find the slope of his descent (Hint: 1 mile = 5280 feet) After

asked by Caroline on January 10, 2013
63. ## calculus

The region A is bounded by the curve y=x^2-5x+6 and the line y = -x + 3. (a) Sketch the line and the curve on the same set of axes. (b) Find the area of A. (c) The part of A above the x-axis is rotated through 360degree about the x-axis. Find the volume of

asked by kchik on December 11, 2012
64. ## Math

David is playing a trivia game where he gains points for correct answers and loses points for incorrect answers. At the start of round 3 his score is −1500 points. During round 3 he answered five 1000 point questions correctly and three 500 points

65. ## Statistics

A classic application of instrumental variables regression is estimating the elasticity of demand for a product. In our case, the product of interest is cigaretts. In economics, the elasticity of demand is the ratio of the percentage change in quantity

asked by Anonymous on May 14, 2019
66. ## physics

A gry is an old English measure for length, defined as 1/10 of a line, where line is another old English measure for length, defined as 1/12 inch. A common measure for length in the publishing business is a point, defined as 1/72 inch. What is an area of

asked by Ahmed on March 23, 2014
67. ## Ant Colony (Maths)

A colony of ants is growing so that the total number of ants present, A, after a number of weeks, t, is shown in the table. t 5 10 15 20 25 30 A 140 200 280 400 570 800 The food supply available is such that it can feed A ants at any given time, t

asked by Ajay on June 27, 2012
68. ## physics

Concrete is pumped from a cement mixer to the place it is being laid, instead of being carried in wheelbarrows. The flow rate is 250 L/min through a 50.0 m long, 8.00 cm diameter hose, and the pressure at the pump is 8.50 ✕ 106 N/m2 (about 1200 psi). (a)

asked by Uri on July 3, 2015
69. ## physics

A uniform rod of mass M = 0.245kg and length L = 0.49m stands vertically on a horizontal table. It is released from rest to fall. (a) Calculate the angular speed of the rod, the vertical acceleration of the moving end of the rod, and the normal force

asked by jay on October 30, 2012
70. ## chem

The "proof" of an alcoholic beverage is twice the volume percent of ethanol, C2H5OH, in water. The density of ethanol is 0.789g/mL and that of water is 1.99g/mL. A bottle of 100-proof rum is left outside on a cold winter day. a) Will the rum freeze if the

asked by alicia on February 12, 2008
71. ## science

During a competition, a 60kg cyclist rides along a horizontal road on a bike with a mass of 5kg. During her ride, she changes gears and uses the chain wheel with a radius of 7.5cm and 36 teeth, and the rear sprocket with 18 teeth. The pedal handle is 20 cm

asked by samantha on September 2, 2010
72. ## Maths - Ant Colony

A colony of ants is growing so that the total number of ants present, A, after a number of weeks, t, is shown in the table. t 5 10 15 20 25 30 A 140 200 280 400 570 800 The food supply available is such that it can feed A ants at any given time, t

asked by Sinha on June 25, 2012

France is one of the most popular tourist destinations in the world, and I discovered a few of the reasons why so many people visit the country during a recent excursion. While in France, I visited numerous world-famous landmarks such as the Eiffel Tower

asked by Robb4301 on February 20, 2015
74. ## physics and guns

A spring gun is made by compressing a spring in a tube and then latching the spring at the compressed position. A 4.97-g pellet is placed against the compressed and latched spring. The spring latches at a compression of  cm, and it takes a force of

asked by Lauren on December 13, 2011
75. ## Physics

A tennis player hits a ball at ground level, giving it an initial velocity of 24 m/s at 57 degrees above the horizontal. (a) what are the horizontal and verticla components of the ball;s initial velocity? (b) how high above the ground does the ball go? (c)

asked by Sarah on June 7, 2009
76. ## Physics

A spring gun is made by compressing a spring in a tube and then latching the spring at the compressed position. A 4.97-g pellet is placed against the compressed and latched spring. The spring latches at a compression of 5 cm, and it takes a force of 9.12 N

asked by Sarah on December 11, 2011
77. ## Science

I have to make an experiment that supports the hypothesis that light travels in straight lines except at the point it enters a new medium and i was wondering if somebody could help me out by sending some links for ideas because ive been stuck for a while

asked by John Cena on May 25, 2017
78. ## math

A search and rescue plane flying at an altitude of 1000 feet spots a ship in the ocean with an angle of depression of 7 degrees. The pilot follows his line of site and flies directly toward the boat for 0.7 miles. At this point his altitude is _____ feet.

asked by Emma on May 25, 2013
79. ## English

I urgently need you to check these sentences. Thank you very much! 1) I'be been really disappointed to read that our German partner doesn't want your school to join in. Actually, we won't be probably part of the partnership, too. 2) Though English is

asked by Henry2 on February 8, 2012
80. ## university physics

A platinum resistance thermometer has resistances of 200.0 ohms when placed in a 0 degrees Celsius ice bath and 253.8 ohms when immersed in a crucible contacting melting potassium. What is the melting point of potassium? Hint: First determine the

asked by Ella on November 20, 2012
81. ## calculus

A 15-ft ladder rests against a vertical wall. If the top of the ladder slides down the wall at a rate of 0.33 ft/sec, how fast, in ft/sec, is the bottom of the ladder sliding away from the wall, at the instant when the bottom of the ladder is 9 ft from the

asked by emma on April 13, 2015
82. ## written communication

I need help writing a positive message to the supervisor of someone who went above and beyond the call of duty to help me. We will be happy to critique you writing. Keep it short, to the point. Focus on what he did, the supervisor will make the decision

asked by Tameka on March 17, 2007
83. ## Algebra

Write an equation in point-slope form to represent each situation. Assume a linear relationship between the given quantities. A temperature of 50 degrees Fahrenheit corresponds to 10 degrees Celcius. A temperature of 77degrees Fahrenheit corresponds to 25

asked by Steve on February 5, 2017
84. ## English

Can you please tell me if the following sentences are correct? They all refer to Shakespeare's The Merchant of Venice. Thank you. 1) The man who marries Portia will be the one who chooses the correct casket. 2) Shylock is notorious for charging very high

asked by Franco on September 6, 2010
85. ## Math

Can you please show me how choose the right answer and how to get the right answer. Which problem situation matches the equation below? 5x+5(x+20)=500 F. five people contributed to a fundraiser each give \$20 more than the basic amount requested. In all,

86. ## Math

A vertical tower is supported by guy wires anchored at a point on the ground. The longer wire is attached to the top of the tower and makes an angle of 53 with the ground. The shorter wire makes an angle of 21 with the ground. The shorter wire is 80 ft.

asked by Melia on November 17, 2012
87. ## physics

Consider the electric field created by a very long charged line of negative linear charge density -2.50 nC/m. A small positive point charge of 12 mC moves from a distance of 7 cm to a distance of 18 cm. In mJ, how much work is done by the electric field?

asked by Anonymous on February 17, 2011
88. ## PHYSICS

Three small spheres are placed at fixed points along the x-axis, whose positive direction points towards the right. Sphere A is at x = 23.0 cm, with a charge of -10.00 microCoulomb Sphere B is at x = 55.0 cm, with a charge of 2.00 microCoulomb Sphere C is

asked by Jay on May 4, 2010
89. ## MATH

A man 6 feet tall walks along a walkway which is 30 feet from a the base of a lamp which is 126 feet tall. The man walks at a constant rate of 3 feet per second. How fast is the length of his shadow changing when he is 40 feet along the walkway past the

asked by WILI on October 18, 2016
90. ## Math

In the triangle ABC, AC=2cm, AB=x cm and angle ABC=π/2 rad. 1. Given that angle BAC=ϴ rad, and that ϴ is a sufficiently small angle, show that x≈ a + bϴ^2, where a and b are constants to be determined. 2. For this part, ϴ is not assumed to be a

asked by John on December 1, 2016
91. ## algebra

The distance you can see to the horizon is given by the formula d= the square root of 1.5 times h, where d is the distance in miles and h is the height in feet above the horizon line. Mt. Whitney is the highest point in the contiguous 48 states. Its

asked by ammy on September 30, 2007
92. ## Physics

A place kicker must kick the football from a point 34.2 m from the goal and clear a bar 3.00 m above the ground. The ball leaves the ground with a speed of 20.0 m/s at an angle of 53.0 degrees above the horizontal. (a) By how much (m) does the ball clear

asked by waqas on August 6, 2011
93. ## ap chem

how would each error affect the molar mass of antifreeze ( too high, too low, no effect. a) the thermometer used actually read 1.4 too high b) after measuring the 50 of distilled water to make an antifreeze solution you spilled some. c)you lost some of you

asked by tori on January 24, 2011
94. ## Math

In the triangle ABC, AC=2cm, AB=x cm and angle ABC=π/2 rad. 1. Given that angle BAC=ϴ rad, and that ϴ is a sufficiently small angle, show that x≈ a + bϴ^2, where a and b are constants to be determined. 2. For this part, ϴ is not assumed to be a

asked by John on November 30, 2016
95. ## Calculus

the curve: (x)(y^2)-(x^3)(y)=6 (dy/dx)=(3(x^2)y-(y^2))/(2xy-(x^3)) a) find all points on the curve whose x-coordinate is 1 and write an equation for the tangent line of each of these points b)find the x-coordinate of each point on the curve where the

asked by Stephanie on November 2, 2008
96. ## geometry

ABCD IS A PARALLELOGRAM.P IS A POINT ON SIDE CD.AREA OF TRIANGLE ADP=48 SQUARE CENTIMETRE AND AREA OF TRIANGLE BCP=30 SQUARE CENTIMETRE FIND AREA OF PARALLELOGRAM ABCD

asked by DEEPI on February 9, 2018
97. ## Geography

if you traveled south from South America, What is the next continent you would reach? Do you have a globe you can look at? If not, do you know which continent is located at the very southern-most point of the earth? if you traveled south from south

asked by cindy on October 31, 2006
98. ## eqilibrium /physics

a rod 200cm long is pivoted at the 80cm from the one end 3kg body is attched at the one end 80cm away from the pivoted point how far from the other end 5kg body be attched to the rod

asked by ashi on April 2, 2017
99. ## algebra

A ball is thrown straight up from a rooftop 9696 feet high. The formula below describes the​ ball's height above the​ ground, h, in​ feet, t seconds after it was thrown. The ball misses the rooftop on its way down. The graph of the formula is shown.

asked by lisa on March 21, 2016
100. ## p

A newly planted tree is supported against the wind by a rope tied to a stake in the ground, as shown in the figure below. The force of the wind, though distributed over the tree, is equivalent to a single force F, as shown in the figure. Find the tension

asked by JOHN on March 26, 2012