# 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

60,394 results, page 75
1. ## Math

On top of the sears building is a tv tower. From a point 300 ft away the bottom of the tower is at an angle of elevation equal to 42.14 degrees and the top of the tower is at an angle of elevation equal to 45.81 degrees. How tall is the tower.

asked by Matt on May 19, 2010
2. ## Math

On top of the sears building is a tv tower. From a point 300 ft away the bottom of the tower is at an angle of elevation equal to 42.14 degrees and the top of the tower is at an angle of elevation equal to 45.81 degrees. How tall is the tower.

asked by Matt on May 19, 2010
3. ## Physics

You swing a 3.24-kg object in a vertical circle of radius 0.920 m. The speed of the object at the top of the circle is 3.25 m/s; the speed of the object at the bottom of the circle is 6.90 m/s. Find the tension in the rope tied to the object at: a) The top

asked by John on October 10, 2011
4. ## physics

A 65 kg skier speeds down a trail, as shown in Figure 5-24. The surface is smooth and inclined at an angle of θ = 20° with the horizontal. (a) Draw a free-body diagram for the skier. (Do this on paper. Your instructor may ask you to turn in this

asked by amy on January 13, 2010
5. ## physics

A chair lift takes skiers to the top of a mountain that is 320 m high. The average mass of skiers complete with equipment is 85 kg . The chair lift can deliver three skiers to the top of the mountain every 36 s Determine the power required to carry out

asked by Melissa on April 30, 2012
6. ## Physics

There is a small amount of water at the bottom of a sealed containerof volume 4.3 liters which is otherwise full of an ideal gas. A thin tube open to the atmosphere extends down into the water, and up to a height of 238 cm. The system is initially a

asked by Noodle on April 6, 2010
7. ## physics

There is a small amount of water at the bottom of a sealed containerof volume 4.3 liters which is otherwise full of an ideal gas. A thin tube open to the atmosphere extends down into the water, and up to a height of 238 cm. The system is initially a

asked by Noodle on April 7, 2010
8. ## physics - rotational motion

A small car of mass, m, is release at height, h, on a steel track. the car rolls down the track and through the loop of radius, R. at the end of the rack, the car rolls off the track, which is positioned at height, H, above the floor. neglect friction and

asked by Lauren on April 22, 2011
9. ## English

Hello, need help in answering this question what does race and ethnicity mean to you. The way I interpret the question, it wants YOUR opinion. You may gain some useful insight by going to www.dictionary.com and using both the dictionary and the thesaurus.

asked by clark on June 16, 2006
10. ## physics

A drive shaft of a belt conveyor system transmits 12kW of power at a speed of 40 rpm. If the shaft diameter is 50mm * 120mm long, calculate a)The shear stress in the shaft. b)The angle of twist if modulus of rigidity =80 GN/m2 c)If the shear stress is

asked by jon smith on January 3, 2011
11. ## Math (algebra)

Could you help me with this math question: A can in the shape of a right circular cylinder is required to have a volume of 500 cubic centimeters. The top and bottom are made of material that costs 11 cents per square centimeter, while the sides are made of

asked by Kyla on March 19, 2014
12. ## American National Government

Can someone please help with this question? It has three parts to the question. 1.Is it easy or difficult to pass a bill? 2. What are some advantages of passing legislation quickly? 3. What are some disadvantages of passing legilation quickly? I have an

asked by B.B. on October 30, 2009
13. ## investment

can you tell me the differences between the top down and bottom up approaches. what is the major assumption that causes the differences in these two approaches? In the top-down approach, an investor focuses on an industry that s/he feels will do well --

asked by mia on June 29, 2007

Top Kitchens handles 17% of all the kitchen production in the area for new construction. It is estimated that the cost of kitchens is 14% of the total cost of constructing a new house. New home construction in the area for the next year is estimated to

15. ## cambo

180 ft long board is cut into 3 pieces. The second piece of board is twice as long as the first. The third piece of board is six times as long as the first. What is the length of the first piece of the board?

asked by bob on March 1, 2011
16. ## Chemistry (Dr.Bob222)

The half-life of P-32 is 14 days. How long after a sample is delivered can a laboratory wait to use a sample in an experiment if they need at least 10 percent of the original radioactivity? I need help on how to set up this problem. What is the general

asked by K on November 7, 2013
17. ## Math

Find the distance around a circular fountain if the radius of the fountain is 7ft long. I did this: C=pi*D 22/7*3.5/1 11ft long Find the distance around a circular fountain if the radius of the fountain is 7ft long. I did this: C=pi*D 22/7*3.5/1 11ft long

asked by Chris on July 2, 2007
18. ## chemistry

how many cars are there in a long freight train, if it takes the entire train 2.30 minutes to pass a station at 45mph? each car is 40 ft long.there are 5280.0 feet in a mile.

asked by Tammy on August 24, 2012
19. ## Algebra

I am supposed to divide (x^3+6x^2-20) by x^2+2, using long division. I know it's very difficult to type long division on the computer, but if you would be able to give me the answer, and I'd work backwords, that would be great, or a simple explanation.

asked by Jack on January 20, 2009
20. ## Math

An artist transferred a rectangular design 13cm long and 6cm wide to a similar canvas 260cm long and 120cm wide.what is the scale factor

asked by Arthur on February 22, 2017

Walt has a piece of rope which is 10 1/3 feet long. He has to cut it into 4 equal pieces. How long will each piece be? I took 10 1/3 divided by 4 which is 2.58333. How can I explain this to my 5th grader in fractions?

asked by Meghan on January 24, 2010
22. ## Science ?

I was making some instant coffee and it had clumped up...I was heating up some water to go and make coffee... Then I just looked in the container and started to shake the container with the lid off a bit..that is when I knoticed the larger clumps of

asked by ~christina~ on October 1, 2007
23. ## physics

An airplane is doing a vertical loop in the air. The airplane goes at a velocity of 320 and at the top of the loop, n=500N. The pilot weighs 62kg. calc the radius of the loop vertical loop, given: v=320, n at the top=510N, m=62kg i don't know what eqn i

asked by Jonny on November 21, 2007
24. ## physics

An airplane is doing a vertical loop in the air. The airplane goes at a velocity of 320 and at the top of the loop, n=500N. The pilot weighs 62kg. calc the radius of the loop vertical loop, given: v=320, n at the top=510N, m=62kg i don't know what eqn i

asked by Jonny on November 21, 2007
25. ## Calculus - not sure if my work is correct?

A 15ft ladder leans against a building and its base starts to slide down the wall. The base is moving at a rate of 5ft/sec when the base is 9ft from the wall. How fast is the top of the ladder moving at this moment? What is the rate of change of the angle

asked by Amy on February 12, 2011
26. ## physics

A skier leaves the starting gate at the top of a ski ramp with an initial speed of 4.00 m/s (Figure 6-41). The starting position is 120 m higher than the end of the ramp, which is 3.00 m above the snow. Find the final speed of the skier if he lands 145 m

asked by nic on October 31, 2014
27. ## physics

A skier leaves the starting gate at the top of a ski ramp with an initial speed of 4.00 m/s (Figure 6-41). The starting position is 120 m higher than the end of the ramp, which is 3.00 m above the snow. Find the final speed of the skier if he lands 145 m

asked by chris on October 31, 2014
28. ## Physics

A 25.0 m tall hollow aluminum flagpole is equivalent in strength to a solid cylinder of aluminum 3.50 cm in diameter. A strong wind bends the pole much as a horizontal force of 900 N exerted at the top would. How far to the side does the top of the pole

asked by Jimmy on February 22, 2015
29. ## Fahrenheit 451 theme

Which detail from the text best exemplifies the theme of the novel? 1) “We know the damn silly thing we just did. We know all the damn silly things we’ve done for a thousand years and as long as we know that and always have it around where we can see

asked by Nina on February 25, 2013
30. ## physics

solid sphere of uniform density starts from rest and rolls without slipping down an inclined plane with angle è = 30o. The sphere has mass M = 8 kg and radius R = 0.19 m . The coefficient of static friction between the sphere and the plane is ì = 0.64.

asked by phil on April 1, 2013
31. ## phy

A brick of mass 0.6 kg slides down an icy roof inclined at 30.0° with respect to the horizontal. (a) If the brick starts from rest, how fast is it moving when it reaches the edge of the roof 1.75 m away? Ignore friction. m/s (b) Redo part (a) if the

asked by kyoya on February 26, 2013
32. ## Math

Okay .. i have a trig question for some floor plans that im trying to do. I have a right angle . /| / | c / | a /___| b I have the lengths of side c and b. Both Being 28ft in length. What is the length of side a? The way you have drawn it, or tried to draw

asked by Matt on August 12, 2007
33. ## English

1. It's been a long time. 2. It's been a while. 3. I haven't seen you for a while. 4. Long time no see. --------------- Are they all the same in meaning? Does 'a while' mean ' a long time' or 'a short time'?

asked by rfvv on August 25, 2014
34. ## social studies 10

we have an assignment that we have to write what would happen if in Yellowknife would be a gold rush in 2007... i don't know that to do, because i cannot really know, im new to canada... plz help Gold Rushes bring a lot of people that are looking for a

asked by marcela on March 8, 2007
35. ## Math

If one leg of a right triangle is 8 inches long, and the other leg is 12 inches long. How many inches long is the triangles hypotenuse?

asked by ashely on April 18, 2011
36. ## math

if a wire 20 inches long is to be cut so that one piece is 2/5 as long as the other piece, how many inches long must the shorter piece be?

asked by helen grace on January 24, 2018
37. ## algebra

The question I have is to solve the problem. A model rocket is launched from the ground with an initial speed of 50 feet per second. The equation that models its height, h feet, off the ground t seconds after it was fired is h=-16ft^2+50t a)How high is the

asked by Ressie on May 21, 2013
38. ## Physics

I have ten problems left on my homework that I need help with. My instructor gives us the answer and we have to write down the steps. So if anyone could help me I would really appreciate it. 1 A steel wire, 150 m long at 10°C, has a coefficient of linear

asked by Jesse on December 17, 2010
39. ## 6th earth science

Can anyone help with this question If Earth's land features made by process of moving water are likely to be found on other celestial objects? I am trying to help my son but not sure I am understanding the question right myself.

asked by Teresa on February 25, 2011
40. ## Math

i have a question regarding statistics. i just don't know how to do it and would really appreciate if someone could tell how i can solve it. the question is; a) compute the mean and the standard deviation of the population? ive looked through all my notes

asked by ash on November 21, 2010
41. ## this isn't actually for school! just interesting.

On September 8, I posed the question "Do you believe what you believe in is really real?" This was NOT a homework question. I was just curious as to what everyone's different answers were. If anyone else wants to answer, that would be great. This is just

asked by Food4thought... on September 10, 2007

This is the exact question that is in my son's math book. Please help, I'm completely confused on the question. REASONING Write in order from least to greatest the six numbers whose digits are 2,8, and 9.

asked by Stacey on September 30, 2008
43. ## English

WFE question in chap 8 jacob look at himself in mirror but he say he not find himself anymore. "when i stop being me?" how u answer that question for main character, urself or another person? i not get what this mean i say you try to look for yourself?

44. ## MATH

Posted by xavier on Monday, February 11, 2013 at 8:28pm. Hello... Asking for help with this one math question to understand how to do the rest of related question? thank you in advance.... shape 1 (3.5,-8.5) ,(3.5,-9) , (3,-10.5) , (2,-12)

asked by xavier on February 12, 2013

6th grade story builders wow ure gonna get a lot of responses to this one Tania: You have to ask a question that can be answered. You have not asked a question.

asked by tania louis on September 1, 2005
46. ## Chemistry

I have a question which asks... What is the Oxidation number of Nitrogen in Cu(NO3)2 I know the answer is 5+ but how do you get that?? Cu= 2+ O= 2- (Theres 3 of them so -2x3=-6...then, theres a two out of the brackets so 6- x 2 =-12) +2 - (-12)= -10? And

asked by Jess on April 6, 2011
47. ## Chemistry

I have a question which asks... What is the Oxidation number of Nitrogen in Cu(NO3)2 I know the answer is 5+ but how do you get that?? Cu= 2+ O= 2- (Theres 3 of them so -2x3=-6...then, theres a two out of the brackets so 6- x 2 =-12) +2 - (-12)= -10? And

asked by Jess on April 6, 2011
48. ## gemma

asked by bex on March 13, 2007
49. ## Chemistry

I have a question which asks... What is the Oxidation number of Nitrogen in Cu(NO3)2 I know the answer is 5+ but how do you get that?? Cu= 2+ O= 2- (Theres 3 of them so -2x3=-6...then, theres a two out of the brackets so 6- x 2 =-12) +2 - (-12)= -10? And

asked by Jess on April 6, 2011
50. ## grammar

i need to know what is the correct my mom is here also i am in third grade the question is about plural possessive nouns the question is Presidents famlies live in the White House what would preadient with a s

asked by raymond on December 14, 2011
51. ## math

How to solve first question using a t table please help answer question really stuck on wok new answers 19 or170 can you tell me which is right showing work please thank you whole lot - jessica ledesma

asked by Jessica on June 18, 2014
52. ## science

I was just wondering! I posted a question for you all at 12:01 today. Are you allowed to help me with this type of question? I just wanted to make sure what I will turn in is what my teacher is looking for! This is my first science fair project. Thank You!

asked by Reed on February 6, 2011
53. ## Algebra

Solve using the appropriate method. Substitution or Elimination. y = 2x - 5, y = 1/2x + 1 This morning I posted a question that Bosnian was kind enough to help me with but it was the wrong question that I was looking at. Sorry but I could really use some

asked by slomo on January 3, 2015
54. ## Chemistry

I think the answer to this question is choice C, but im not sure. I have to find the product for this question. img*photobucket*com/albums/v712/DeadMan986/Q38*jpg The * in the link should be .

asked by Jules on April 28, 2011
55. ## math

Flag question Question text A fair coin is tossed 6 times. What is the probability to the nearest hundredth of obtaining at least one head? Select one: a. .08 b. .98 c. .50 d. .02

asked by Tina on February 12, 2013
56. ## English

Question: Does 'What's up?" mean "How are you"? or "Hello, what are you doin g"? •English - Ms. Sue, Thursday, April 11, 2013 at 5:38pm Yes. It's an informal way of greeting someone. It's mostly used by young people. ================== Thank you for your

asked by rfvv on April 11, 2013
57. ## maths

from a point P on a level ground and directly west of a pole,the angle of elevation from the top of the pole is 045 and from point Q east of the pole the angle of elevation of the pole the angle of elevation of the top of the pole is 068 if /PQ/ is

asked by bearing on July 15, 2016
58. ## Math - Calculus 2

An underground tank full of water has the following shape: Hemisphere - 5 m radius. at the bottom Cylinder - radius 5 m and height 10m in the middle Circular cone radius 5 m and height 4 m at the top The top of the tank is 2 m below the ground surface and

asked by Amy on November 10, 2010
59. ## Finance

I answered the following questions, butI just want to make sure Im on the right track. Please assist... What are the differences between shareholder wealth maximization and profit maximization? Shareholder wealth maximization strictly relates to the market

asked by Greatdanelola on September 18, 2008
60. ## electromagnetism

the middle wire carries 2A, and the bottom wire carries 3A. 2A (6 points possible) What is the magnitude of the force per unit length on the TOP wire in N/m? 1000 - incorrect 1000 What is the direction of the force on the TOP wire? left right up up -

asked by JuanPro on April 14, 2015
61. ## math

In the given diagram,AB represents a vertical pole and CD represents a 40 m high tower both of which are standing on the same horizontal plane.From the top of the tower,the angles of depression of the top and the foot of the pole are 24 degrees,30 inches

asked by kavita on June 19, 2011
62. ## English

Base all answers on this passage They Flee from Me --Sir Thomas Wyatt They flee from me, that sometime did me seek With naked foot stalking in my chamber. I have seen them gentle, tame, and meek That are now wild, and do not remember That sometime they put

asked by Anonymous on November 5, 2011
63. ## English

Base all answers on this passage They Flee from Me --Sir Thomas Wyatt They flee from me, that sometime did me seek With naked foot stalking in my chamber. I have seen them gentle, tame, and meek That are now wild, and do not remember That sometime they put

asked by Anonymous on October 7, 2011
64. ## science

A university student wants to perform an experiment using mice as test subjects. The procedure would require the mice to be injected with a specific bacterial infection and then treated with an antibiotic. Their response to the treatment would be observed

asked by Dj on April 4, 2008
65. ## science

A university student wants to perform an experiment using mice as test subjects. The procedure would require the mice to be injected with a specific bacterial infection and then treated with an antibiotic. Their response to the treatment would be observed

asked by Beauty on April 4, 2008
66. ## english

i need an outline for what i should take notes on while i read a book because when i finish reading i need to write a book analysis. thanks in advance Keeping a reading log or reading journal is the best way to remember what you read and what you were

asked by cassidy on December 4, 2006
67. ## math problem

When a concrete structure is built, an engineer often performs a slump test on the concrete to ensure that it is of suitable strength and consistency. The engineer fills a truncated cone with a bottom diameter 200mm, top diameter 100mm and height 300mm

asked by Emma on September 30, 2010
68. ## Math

When a concrete structure is built, an engineer often performs a slump test on the concrete to ensure that it is of suitable strength and consistency. The engineer fills a truncated cone with a bottom diameter 200mm, top diameter 100mm and height 300mm

asked by Emma on October 2, 2010
69. ## math problem

When a concrete structure is built, an engineer often performs a slump test on the concrete to ensure that it is of suitable strength and consistency. The engineer fills a truncated cone with a bottom diameter 200mm, top diameter 100mm and height 300mm

asked by Emma on October 1, 2010

1. Jim is doing a physics experiment on the rate of cooling of solid objects in air. Which of the following is a variable that is not directly part of his experiment, but should be controlled in his experiment? (Points : 1) initial temperature to which he

asked by Greg on January 8, 2014
71. ## physics

While working on your physics homework in your dorm room you notice a flowerpot fall past your window because someone has carelessly knocked it off the roof. Fortunately, you computer¡¯s video camera captured the whole thing so you can measure the total

asked by Henry on January 26, 2014

The minute hand on a watch is 7 mm long and the hour hand is 4 mm long. How fast is the distance between the tips of the hands changing at one o'clock? (Round your answer to one decimal place.)

asked by monic on February 26, 2013
73. ## math

a wire is 36 m long is cut into two pieces , each piece is bent to form a rectangle which is 1 centimeter longer than its width. how long should each piece be to minimize the sum of the areas of the two rectangles?

asked by jemma on November 8, 2013
74. ## physics

A bullet is fired vertically upward from a gun and reaches a height of 7000 ft. Find its initial velocity. How long does it take to reach its maximum height? How long is it in flight?

asked by Ben on September 26, 2014
75. ## AP Physics

A cowboy at a dude ranch fills a horse trough that is 1.7 m long, 50 cm wide, and 40 cm deep. He uses a 1.9 cm diameter hose from which water emerges at 1.3 m/s. How long does it take him to fill the trough? min

asked by Alex on December 16, 2010
76. ## physics

An MRT tunnel is 418m long. Calculate the time it will take the 108-m long train , travelling at 72km/h to pass completely through the tunnel, leaving your answer in seconds

asked by Sky on March 31, 2013
77. ## Algebra 1

A physics student stands on top of a hill that has an elevation of 56 meters. He throws a rock and it goes up into the air and then falls past him and lands on the ground below. The path of the rock can be modeled by the equation - y=-0.04x^2+1.3x+56 where

asked by Steve on March 27, 2015
78. ## Chemistry

Okay so I kinda understand where to put the numbers into the formula but i'm not sure how to calculate the distance so could someone kindly walk me through the problem so i can understand it. Thank you so much. Calculate the amount of energy required for

asked by Amanda on November 4, 2011
79. ## medical insurance forms

I was wondering If someone could please help me out this one I can't seem to find any information on this ... If a patient is covered by Medicaid, what should you put in Block # 9a ? thanks in advance

asked by Anonymous on April 16, 2008
80. ## SPR,PHYSICS

A block of wood floats in water with two-Third of its volume submerged its relative density is equal to?

asked by vianychandra on October 30, 2015
81. ## Physical Science

You supply 400 kilocalories of heat energy to a block of ice, with a mass of 14 kg. What will be the outcome?

asked by Bonni on November 10, 2014
82. ## physics

if some of water in calorimeter splash out when tranfering the metal block, will it affect the experiment result?

asked by jane on May 22, 2017
83. ## Physics

h t t p : / / b i t . l y / 9 S F F F o a) What is the minimum value of F needed to move the two blocks? b) If the force is 10% greater than your answer for (a), what is the acceleration of each block?

asked by Phil on September 20, 2010
84. ## Math

how many unit angles does the smaller angle of a tan pattern block turn through? Explain

asked by Evline on May 2, 2018
85. ## physics

Forces of 9.93 N and 1.23 N act at right angles on a reddish-green block of mass 3.02 kg. How much acceleration occurs?

asked by i need help on October 8, 2013
86. ## writing

How should I start off my financial aid appeals letter? Need help bad! Having major writers block.. HELP ME PLEASE!

asked by mya on December 23, 2010
87. ## Physics

Forces of 9.5 N and 5.12 N act at right angles on a reddish-green block of mass 3.19 kg. How much acceleration occurs?

asked by Tony on October 2, 2014
88. ## physics

How much force is needed to accelerate a 125 kg block up a 35 degree include at 3.4 m/s2 if the coefficient of friction is 0.28?

asked by Marina on January 20, 2014
89. ## physics

the density of a block of wood with a colume of 50 cubic centimeters and a mass of 10o grams is

asked by Anonymous on April 21, 2011
90. ## Physics

h t t p : / / b i t . l y / 9 S F F F o a) What is the minimum value of F needed to move the two blocks? b) If the force is 10% greater than your answer for (a), what is the acceleration of each block?

asked by John on September 20, 2010

Forces of 4.57 N and 4.74 N act at right angles on a reddish-green block of mass 5.76 kg. How much acceleration occurs?

asked by anthony on October 13, 2014
92. ## Physics

What push parallel to a 42 incline is required to just start a 340 N block sliding up the plane? us = 0.6

asked by MA on November 2, 2012
93. ## science

What will be the final temperature if 1600 cal of heat is given to an ice block of mass 20 grams?

asked by shankar on April 24, 2012
94. ## physics

Explain two different reasons why fibreglass is used to fill the space between the concrete block and the metal casing.

asked by Fernando Guo on November 25, 2015
95. ## science

What will be the final temperature if 1600 cal of heat is given to an ice block of mass 20 grams?

asked by shankar on April 24, 2012
96. ## physicis

What is dry ice behavior when acted on by a steady push that keeps up with the block and when it is a given a quick shove.

asked by chris on January 21, 2011
97. ## Physics

I don't understand how to do this : A force of 40 N accelerates a 7.17 kg block at 6.0 m/s2 along a horizontal surface. Determine the normal.

asked by Maya on November 25, 2014
98. ## chemistry

What is the density of a block of unknown material with a mass of 13.26 g if the dimensions are: length = 2.2 cm height = 1.7 cm width = 4.1 cm

asked by mariam on February 20, 2013
99. ## physics

a block of wood of 200g is thrown vetically with a veloncity of 20mls what is the pontential energy?

asked by sience on February 8, 2014
100. ## science

What is the density of a block of unknown material with a mass of 13.26 g if the dimensions are: length = 2.2 cm height = 1.7 cm width = 4.1 cm

asked by mariam on February 20, 2013