another question: the 20 kg block is at the top of a 10 m long inclined plane. The block starts from rest and slides without friction down the length of the incline. The block is 5 m high. 1) Determine

60,185 results, page 71
1. college

what will be the final temperature if a 5.00-g block of aluminum at 37.0 celsius gives off 25.0 J of heat to its surroundings?

asked by notsure on September 21, 2010
2. Physics

A block of mass 5kg is lifted 2m in 3sec. Find the work done.

asked by Andy on April 22, 2011
3. pre calculus

Ok not sure if it's just me with a block solve the following equation in the real number system. x^4 +3x^3 + 3x^2 + 21x - 28 = 0

asked by amy on September 25, 2011
4. language

is this a sentace......... A block of four different,colorful stamps that commemorate Earth day.

asked by matt on October 3, 2007
5. Physics

A block of mass m = 5.2 kg is pulled up a è = 24° incline as in the figure with a force of magnitude F = 34 N.

asked by Josh on November 17, 2011
6. physics

How much heat energy must be added to a 3.0 cm × 3.0 cm × 3.0 cm block of aluminum to raise its temperature from -50∘C to 50∘C?

asked by Anonymous on February 10, 2017
7. Phyics

How far does a 5-kg block with an initial speed of 3 m/s slide up a frictionless 28° incline plane?

asked by Amy on February 17, 2013
8. college physics

My previous question was marked science, but it's specifically a college physics question. Thanks.

asked by bbragg on October 25, 2013
9. Math Pre Algerbra

How did the teacher get this answer for this problem? Okay so heres two questions... first 24/4(2) = 12 and i believe he said he didn't use the (2) but... when i ask a question about a question like that they use the 2 like this 9*3 - 2(5) = 17

asked by Ann on August 29, 2011
10. fractions URGENT!!!!!!!!!!!!!!!

Is 2/3 the smallest out of 1/3? Are you asking if 2/3 is smaller than 1/3? If that's your question, the answer is no. If that's not your question, please rephrase so teachers will understand. Thanks. =)

asked by bria on February 27, 2007
11. bobpursley

ok thiis is my work for the next question. im i right? im not sure on the question where it asks: what is its acceleration? wouldnt it be 9.8m/s^2??? or im i wrong? h t t p : / / i 3 6 . t i n y p i c . c o m / 2 1 o u i y w . j p g

asked by Claudia on October 16, 2008
12. womens studies

I need help with this question and trying to find the answer. Question is How does gender ranking reinforce sexism? Thanks

asked by cameron on September 25, 2007

I need help figuring this question out please :) log2=log(x+5)-1 I have been studying for my test and this is a question i got stuck on.

asked by oranges on May 25, 2011
14. Derivative

25) Suppose F(x) = g(2x^2 + 2). Find F(1) if g'(4) = -3. This is the question on my take home test. Seems to me that the question is wrong. Should it be f'(1) if g'(4) = -3? Your thoughts?

asked by Steff on June 15, 2011
15. Math Pre Algerbra

How did the teacher get this answer for this problem? Okay so heres two questions... first 24/4(2) = 12 and i believe he said he didn't use the (2) but... when i ask a question about a question like that they use the 2 like this 9*3 - 2(5) = 17

asked by Ann on August 29, 2011
16. Science

Give one example of a question that science would not be able to test. Then, explain how it could be changed into a testable question.

asked by Dylan on November 8, 2017
17. algebra 1

Reiny I posted a question earlier (about 3:00) and I have a question about your solution. How did you get -4x? I came up with -8x which does not allow for anymore reduction. Please let me know how you did it. Thanks!

asked by Dippy on March 9, 2009
18. grammar

if there is a split quotation what do i do if the first part is a question but the other half is not do I put a question mark?

asked by ? on March 26, 2015
19. Calculus

Need an answer to this Calculus Question. I keep getting this type of question wrong. Thanks. Differentiate the Function: y = (3x-1)^2(2-x^4)^2 y =

asked by Dave on April 19, 2010
20. Accounting

Dear sir,Hi, My question is related to Accounting, would appreicaite if you could solve my question. Q. 1

asked by Mazhar on August 7, 2007
21. Algebra

Suppose you are researching the eating habits of people your age. What sampling method could you use to find the percent of students in your grade who eat five servings of fruit and vegetables each day? What is an example of a survey question that does not

asked by Harry on June 14, 2018
22. Math

Suppose you are researching the eating habits of people your age. What sampling method could you use to find the percent of students in your grade who eat five servings of fruit and vegetables each day? What is an example of a survey question that does not

asked by Harry on June 14, 2018
23. science

1. How much potential energy does a 5kg block have if it is 2m above the ground? 2. What is the mass of an object that has 40J of potential energy and is 10m above the ground? 3. What is the weight of an 8kg object? 4. How much work does it take to lift an

asked by Dave on October 23, 2011
24. Earth Science

for science i need to calculate and answer a fermi question. A fermi question is a scientific question which basically bizarre. Anyway, my question is "How many rabbits would it take to consume all the dandelions in central park if we were to cover it

asked by Jill on October 9, 2008
25. Physics

Well, I just found out that I failed my physics midterm. I got a 51. Yes I studied but I still don't get the forces and inclined planes. And my parents are going to kill me if they find out. The midterm brought down my grade to a 79!! Any advice? P.S I

asked by Liz on January 28, 2015
26. Gr. 12 Math - Trigonometry 3D

From the top of a 1900 m mountain, the angle of depression to a cathedral that is due east of the mountain is 38 degrees. The angle of depression to a bridge due north of the mountain is 42 degrees. Find the straight-line distance from the cathedral to the

asked by Michelle on November 11, 2007
27. PHYSICS

A 62 kg water skier, moving at 14 m/s , lets go of the towline. Momentum= 868 kgm/s Impulse= -868 Ns c.If the water exerts an average force of -275 N on the skier, how long must the force act? 3.16 s d. How far does she travel during this time? I'm

asked by Anon on January 6, 2012
28. physics

A conductor of length 0.8 m carrying a current of 2.5 A is kept in a magnetic field of 0.6 Tesla. What is the magnitude of the force experienced by the conductor if it is inclined at an angle 30° to the direction of the magnetic field? Choose one answer.

asked by ashley --- HELP PLEASEE!!! on June 5, 2011
29. Physics

A mass of 6.10 kg rests on a smooth surface inclined 39.0o above the horizontal. It is kept from sliding down the plane by a spring attached to the wall. the spring is aligned with the plane and has a spring constant of 126 N/m. How much does the spring

asked by Janelle on November 5, 2012
30. To "WOK..."

Please put your School Subject in the School Subject box (Examples: math, science, algebra, geography). When all you put is one letter, most tutors are not inclined to open your post since you are not following instructions.

asked by Writeacher on March 2, 2015
31. physics

8. Two blocks of masses 50 Kg & 30 Kg, lie on two smooth inclined planes of 30° and 60° through a light rope which passes over a smooth pulley at junction of two planes. Calculate common acceleration and tension in rope

asked by srinivasan on July 26, 2015
32. Damon

I have a question for Damon. Thank you for answering my question although you lost me when you came up with 37153 instead of 27153. Was this a typo or am I missing sonthing? IF anyone else can tell me I would like the help.

asked by Rich on December 20, 2009
33. Statistic

We thought if we each post a question you would answer our question. This is not a game we need help for our statistics math course before Monday day

asked by Jenn on November 29, 2015
34. To @Bosnian

I posted a follow up question to your answer to my recent question about a sum of a series.Hope you can check it. Thank you!

asked by Ben on July 29, 2017
35. R.E and History

Please can someone tell me How many men are in a cohort? (thats my History question) R.E Question now: What items does an Orthodox Jewish man wear? Thanks

asked by Chanel on October 18, 2008
36. Spanish 1

Cual no es un mes del ano? I just need to know what that says, its a multiple choice question but I cant translate it right and If i could just know what the question was right I could get the answer myself.

asked by Alehanda on March 12, 2008
37. biology

1) I can't finish my homework due to this one question, please tell me where I can find this question, thanks! What are levels of protein structure of Angiosperms?

asked by Jessica on February 14, 2012
38. ATTENTION WRITEACHER!

Thanks so much for your help on my english question. I posted a reply with another question down below. You're REALLY smart so can you please check my work that i put donw below! thanks again, i really appreciate it:)

asked by Miley on February 26, 2008
39. MATH

I have 12 word problems to do for my class today. I am not very good at them. Any suggestions on how to set them up? they vary from question to question

asked by jennifer on September 25, 2008
40. grade 10 math

im stuck in this question,i tried everything but i failed... can u please help me. find two numbers whose sum is 32 and whose product is a maximum. please help me!!! No one has answered this question yet.

asked by Sameul on November 25, 2009
41. healthcare

I hope that someone out there might be able to answer this question for me or direct in some way. so I would appreciate any help I can get. My question is: Can strategic planning and managing help the US Healthcare system? How?

asked by Blondie on March 13, 2008
42. Statistics

A student is taking a true/false exam with 15 questions. If he guesses on each question, what is the probability he will get at least 13 question right?

asked by Lisa Matthews on August 14, 2013
43. Social Stuides

I was serching the web and couldn't find my answer to my question anywhere! My question is, Where does the European PArliament meet? Please help me!

asked by logan on November 29, 2007
44. Math (functions)

I'm really confused on this question. Could you help me? (First time using this site by the way) The question is: use the function rule f(x) = 3x - 2. Fine output: f(1.5) Can you please explain how I get this?

asked by J on May 15, 2014
45. General

Why didn't you guys are answering my questions at all. 8 question posted tomorrow but not even a single question is answered yet.

asked by Watson on April 24, 2013
46. Math

Hello! I have a question. What is a table of values for y=x-8? Please tell what free calucators show work! I've been on this question for hours and I'm really frustrated!

asked by MarkiplierFan8228 on May 10, 2016
47. science

what the heck ms.sue you literally skipped over my question. i've been next to my computer screen waiting for you to answer my question.

asked by tom on September 12, 2014
48. Math

Hello, I have two more rational exponent question that I wanted to verify please: 4x^3y^-2 _________ 2x^-1y^4 = 2x^4y^6 is this correct? 2nd question: [w^1 / w^-3] my answer: = [w^(1)(-4)/ w ^ (-3)(-4)] = w^-4 / w^12 = w^12 / w^4 = w^3 / w Is this right?

asked by Dania on November 18, 2010
49. 4th gr math

Algebra question....Find the missing number. Tell which property can help you. _______ x 9=0. The answer is 0, I'm having trouble with the second question.

asked by Miya on November 30, 2011
50. Social Studies

I hope i can be helped with this question and i would be really grateful. I have being given an essay and the question goes like this. "How can helping others make one great". I would like at least three examples. Thank you.

asked by e.v.a on January 25, 2008
51. Science

A force of 20N act an object angle of 30 to the inclined plane . The object move 8.0m up the unclined plane what is the workdone by the force plz draw.

asked by Ibn isah pd. on February 2, 2016
52. Algebra

1. Many people know that the weight of an object varies on different planets, but did you know that the weight of an object on earth also varies according to the elevation of the object? In particular, the weight of an object follows this equation: w=Cr -2

asked by Sue Bonds on August 13, 2011
53. physics

A mass M of 2.95 kg is attached to the end of a string whose length is 0.420 m. The mass slides without friction on a horizontal surface as indicated in the diagram. If the string can withstand a maximum tension of 127.5 N, what is the maximum tangential

asked by Anonymous on October 17, 2013
54. Calculus

You have a conical tank, vertex down, which is 12 feet across the top and 18 feet deep. If water flows in at a rate of 9 cubic feet per minute, find the exact rate of change when the water is 6 feet deep. You know the rate of dV/dt (inflow), and you can

asked by Tezuka on April 5, 2007
55. SCIENCE

Some student made a terratium out ot the bottom of 2-liter soda bottle.They placeed a layer of gravel on the botton of the bottom of the and the added soil.they sprinkled 1/2 teaspoon of grass seed on top of the soil and added two small plants.Finally they

asked by PRECILIA on September 11, 2009

I am not sure on this question. Can you help me. Question: How can you tell if 31/33 is already in its simplest form? I wrote my answer to the following questions, can you tell if it is right? Question: Can the Greatest Common Factor of 18 and 36 be

asked by Math on November 13, 2009
57. calculus

A closed cardboard box is made with a square top and bottom, and a square horizontal shelf inside that divides the interior in half. A total of 12 square meters of cardboard is used to make the top, sides, bottom, and shelf of the box. What should the

asked by h on November 15, 2013
58. Physics

From the top of a tower is an object with mass 25 kg which is lowered with ropes at a constant speed, 4 m / s to the ground. After 10 seconds the rope by which an object falls freely. From the moment there are 12 seconds to those standing on top of the

asked by Oddbjørn on October 19, 2010
59. physics

An open vertical tube is filled with water and a tuning fork vibrates over the top near the open end. As the water level is lowered in the tube, the first resonance is heard when the water level is at 31 cm from the top of the tube. What is the frequency

asked by Leslie on September 6, 2011
60. English

1. Some ideas still seem to be a long way off. 2. Some ideas still seem to be far off. 3. The town is a long way off. 4. The town is far off. ============== Can we use 'far' instead of 'a long way'? What other expressions can we use instead of 'a long

asked by rfvv on August 13, 2016
61. Algebra II

Given the triangle below, find sec X, tan X, and cos X in fraction form. *right triangle, hypotenuse goes from top right to bottom left, bottom side is longer than top side. Top right point is z, left point is X, bottom right angle (the right angle) is Y.

asked by Denise on May 26, 2016

I am so lost and confused right now with this question. I might have a quiz. Help me understand before this pop quiz!!!! THANKYOU A diver runs horizontally with a speed of 1.2 m/s off a platform that is 10.0 meters above the water. a) how long before the

asked by Emma on February 4, 2016

Chef Potato's body has a cylinder in the middle and two half spheres that make up his bottom and head. He has the two dimensional shape measurements as follows: 20 cm in total length, 5 cm between the end of the cylinder and the top of the top sphere.

asked by Jenny on June 17, 2016
64. Please Help, I Don't Know How To Do This

Chef Potato's body has a cylinder in the middle and two half spheres that make up his bottom and head. He has the two dimensional shape measurements as follows: 20 cm in total length, 5 cm between the end of the cylinder and the top of the top sphere.

asked by Jenny on June 17, 2016
65. Physics

An electron enters a parallel plate apparatus 10.0cm long and 2.0cm wide, moving horizontally at 8.0 × 10^7 m/s. (top plate is positive, electron is 1.0cm from each plate..) The potential difference between the plates is 6.0 × 10^2 V. Calculate... (a)

asked by Lauren on February 26, 2010
66. Physics, Desperate Need of help!

Gold, has a mass of 19.32g for wach cubic centimeter of volume, is most ductile metal and can be pressed into a thin leaf or drawn out into long fiber. -If a sample of gold, with a mass of 27.63g is pressed into a leaf of 1.000micometers thickness, what is

asked by krystal on August 31, 2006
67. physics

In the movie Spiderman 2, there's a famous minute long scene where Spiderman stops a train. If the initial speed of a five car out of control subway train was around the top speed of the NYC subway (27 m/s), and Spiderman stopped the train in exactly one

asked by keshav on June 4, 2013
68. physics

From the top of a building 21.0 m tall, the angle of elevation of the top of a taller building is 46. The angle of depression of the base of the taller building is 51. What is the height of the taller building? (47.9 m)

asked by kms on July 16, 2018
69. science

i do not understand this question and how to anseer it, can someone please help? htt p://i12. tinypic. com/6k8ytdd.jpg the question is in the link because it has a graph that goes along with it that I do not understand, just take the spaces out of the

asked by kelly on December 18, 2007
70. Algebra

Now this next question I unfortunately don't get at all: ~Chow Li is planting a border of 48 seedlings that will completely surround a rectangular garden plot. He wants to plant the seedlings 2 feet apart. If the garden plot is to be 30 feet long, how wide

asked by Jamie on September 15, 2007
71. calculus

A box is constructed out of two different types of metal. The metal for the top and bottom, which are both square, costs \$2/ft2. The metal for the four rectangular sides costs \$3/ft2. Find the dimensions that minimize cost if the box has a volume 20 ft3.

asked by Hard help plz on October 28, 2010
72. Physics

In a common test for cardiac function (the "stress test"), the patient walks on an inclined treadmill (Figure 6-46). Estimate the power required from a 70 kg patient when the treadmill is sloping at an angle of 15° and the velocity is 3.10 km/h.

asked by Luke on February 16, 2013
73. physics

Water fills and flows through an expanding pipeline that is inclined upwards. On the centreline of the pipe, Point 1 is 0.3 m below point 2. The velocities are V1 = 3.4 m/s and V2 = 1.7 m/s. The pressure at point 1 is 9300 N/m 2 . What is the pressure at

asked by Aisling on May 8, 2012
74. science

A 4m ladder weighing 25 kg with its upper end against a smooth wall and lower end on rough ground.what should be the minimum coefficient of friction between the ground and the ladder it to be inclined at angle 60 with the horizontal without slipping?

asked by Manoswetha on April 30, 2018
75. Physics

A crate, which has a mass of m= 45 kg, is being accelerated at 3.2m/s^-2 up an frictionless inclined plane, which meets the horizontal at an angle of 35 degrees, by a rope. What is the magnitude of the normal force acting on the crate? What is the tension

asked by Antonio on December 8, 2012

the ability to cause changes in matter is a result of the following____________ A.mass B.energy C.force D.inertia Melting is a change in matter. Which answer could cause melting? i do not know hey im sorry to ask u this but what? Think. State your

asked by hot stuff on April 17, 2007
77. physics

A 5.05kg sits on a ramp that is inclined at 36.5 degrees above horizontal.The coefficient of kinetic friction between box and ramp is mu k= 0.25. What horizontal force is required to move the box up the incline with a constsant acceleration of 4.3m/s^2?

asked by Anonymous on March 15, 2013
78. math

the base of an isosceles triangle is half as long as side of a square.Each of the legs of triangle is twice as long as a side of the square.How long is each side of the triangle if the sum of the perimeters is 34 m.

asked by patrick on November 24, 2015
79. maths

a conical tank open at the top is 4m and has a top radius of 1m its filled with water and after 2 hours, the depth of water dropped to 1m due to evaporation.set up a differential equation for the depth of water as a function of time.set up an equation for

asked by apollo on November 9, 2011
80. Physics

A car is traveling over the top of a hill, which we will model to be a piece of a circular arc of radius R. For each case below, draw careful to-scale motion maps and use them to construct the velocity vectors at the following three points: the top of the

asked by Sonya on September 19, 2009
81. Organic Chemistry

In lab, we purified acetanilide through recrystallization. We did not have have time to test the melting point to check the purification, so we put the recovered crystals in a 50ml beaker, covered the top with parafilm with a few holes poked in the top,

asked by Rayna on October 28, 2014
82. Luke, Math , algebra

Sorry it was a type. For the problem multiply and write answer in simplest form. 4/12 multiplied by 10/4 My answer: FOr what i understood i only got to the flipping step which is 4/12 multiplied by 4/10 now what step do i do. you mulitply to top (4 * 4 =

asked by jasmine20 on December 16, 2006
83. Algebra 2

Use the formula D=rt where D is distance, r is rate, and t is time. 40 yard dash: Julio took 4.39 seconds, Rich took 6.18 1. Solve D=rt for rate. (1 pt) 40 2. Use the statistics given in Act Two and your equation from #1. a. At what speed (rate) does Rich

asked by Belly on October 13, 2017
84. physics

An 18 kg curling stone sliding on a sheet of ice hits a rough patch on the ice where the coefficient of friction increases from 0.13 to 0.28. It enters this rough patch with a speed of 2.2 m/s and leaves with a speed of 1.4 m/s. How long is the rough

asked by XOXOX on October 24, 2015
85. Chemistry

The boiling point of an aqueous solution is 102.16 C. What is the freezing point? Dr. Bob, If you happen to answer this question, I was the one that a question earlier about how to know what Kf constant to use [water vs benzene?] and i didn't notice that

asked by Tracy on February 17, 2012
86. trig

Verify that each equation is an identity. 16. 1+tanx/sinx+cosx =secx ok i have a clue on how to do it. i multiplyed the denominator by sinx-cosx and i also did the top but when i do i get this weird fraction with all these cos and sin and then i get

asked by gaby on November 7, 2008
87. science

Prove that the maximum horizontal range is 4times the max height attaind by projectile when fired at an inclined so as to have max. Horizontal range

asked by sankalp on September 4, 2016
88. physics

Consider a ball that picks up a speed of 3 m/s each second when its rolls from rest down an inclined plane. If the ball takes 4 seconds to reach the bottom, its speed at the bottom will be?

asked by Alli on June 23, 2011
89. physics

two forces with magnitude of 25N and 18N respectively are inclined at an angle of 120degree to each other. calculate the resultant force and the angle it makes with the 18N force.

asked by okowju Destiny on October 18, 2016
90. Physics

if a 900-kg box slides down in a slide inclined at 25degrees to the horizontal and the coefficient of friction between the box and the slide is .0500, what is the friction force?

asked by cookie monster on December 9, 2008
91. Math

Hi, Canyou help me on the question down below?Ithank-you veery much. Sincerely, Kathy question: The GCF of my numerator & denominator is 5. I am equivalent to 4/6.

asked by Kathy on October 30, 2008
92. social studies

my previous question was for ancient egypt and mummification process in the after death I still don't understand your question. Can you explain more about it?

asked by pappy on November 7, 2006
93. calculus

Use vectors to find interior angles of the two triangles with given vertices - round to nearest hundredths Question 1: (-3, -4),(1,7),(8,2) Question 2: (-3,5), (-1,9), (7,9)

asked by AEF on May 25, 2012
94. anatomy and physiology II

why does air move into the lungs? Bob Pursley answered this question for you earlier. See you previous post of the same question

asked by alice on July 14, 2007
95. Math!!!

I have an MSA math question. What scale would you use for making a frequency table of the following data 21,79,11,9,55,38,111, and 92? Please answer it I need the question now.

asked by Somebody on September 6, 2011
96. mat115

can someone help me with this math question. I am asked to show my work but I don't know how to do so. The question is: The following set of numbers a perfect triple? 8, 10, 12 yes or now and how so? Thanks for your help.

asked by adore001 on August 26, 2010
97. Linear Algebra

True/False question Suppose that A is a 2 x 3 matrix such that A[1, 1, 1]^t = [2, 3]^t = A[2, 3, 4]^t. Then [1, 2, 3]^t belongs to the nullspace of A. I have no idea how to start this question/what it means.

asked by Anon on February 7, 2016
98. Question

I need help understanding this question. It's for my project that I'm doing about careers. What are the employment possibilities in this field? I don't understand this question. Help is appreciated.

asked by Larry on November 30, 2008
99. Chemistry

I don't understand this question, thanks to whoever tries to help!! (This homework question was removed due to a copyright claim submitted by k12.com.)

asked by So confusing.. Anyone help??? Kylie on May 31, 2013
100. math

how would you solve these problem using distributive property question #1 5(45+5)=5(_____) question#2 9(42)-9(4)=9(30)+9(______) I need this before Sunday December 6,2009

asked by Anonymous on December 5, 2009