# 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 73
1. ## JAVASCRIPT

Start button won't work for a scolling marquee. Below is the javascript code. window.onload = defineMarquee; var timeID; var marqueeTxt = new Array; var marqueeOff = true; function defineMarquee() { var topValue = 0; var allElems =

asked by Kevin on April 22, 2011
2. ## 7th grade Ms. Sue help Pygorean Theoream asap quic

3. A ladder is leaning against a house. The distance between the base of the ladder to the house is 3 feet. The length of the ladder is 10 feet. In feet, how far above the ground does the ladder touch the house? (1 point) 4.2 9.5 10.4 14.1 4. A wire is

asked by Delilah on October 10, 2012
3. ## physics

Water is in the big beaker in the figure on the left. Scale 1 reads 87 Newtons, scale 2 reads 544 newtons, and scale 3 reads 0 newtons. The hanging block has a density of 15 x 10^3 kg/m^3. What does scale 1 read after the block is fully lowered into the

asked by sean on April 7, 2014
4. ## physics

Another question I'm having a hard time grasping; I followed a solution one of the tutors posted involving a similar question, but I have a feeling there is some mistake I am making. The question asks to find out what the distance should be from a source

asked by dawn on January 22, 2010
5. ## Angles of elevation and depression

The teet of two vertical poles of height 3m and 7m are in line with a point P on the ground. The smaller pole being between the taller pole and P and at distance of 20m from P the angle of elevation of the top T of the taller pole from the top R of the

asked by Emmanuel on June 6, 2017
6. ## College Physics

A box which has a mass of 32.8kg is placed on a plane which is inclined at 40.0° above the horizontal. The sliding friction force acting between the box and the plane is 36.4N. What is the acceleration of the box as it slides down the plane?

asked by Anonymous on October 16, 2018
7. ## solid mechanics

At a point in a strained material the principal stresses are 60MPa and 40Mpa. Find the position of the plane across which the resultant stress is most inclined to the normal and determine the value of this stress. (Ans:50degree45' with the major principal

asked by Anand on February 16, 2014
8. ## physics

Find the velocity of (a) a cylinder and (b) a ring at the bottom of an inclined plane that is 1.55 m high. The cylinder and ring start from rest and roll down the plane. Hint: Carry out the calculation including the unknown parameters, and they may cancel

asked by Demis on October 29, 2012
9. ## pysics

Find the velocity of (a) a cylinder and (b) a ring at the bottom of an inclined plane that is 1.55 m high. The cylinder and ring start from rest and roll down the plane. Hint: Carry out the calculation including the unknown parameters, and they may cancel

asked by Demis on October 29, 2012
10. ## Physical sciences

A 330kg crate slides down a 30 degree inclined plane. The total length of the plane is 3,6m. The crate is kept from accelerating by a man who is pushing back on it parallel to the incline. Calculate the force exerted by the man on the piano

asked by Nicolle on April 9, 2014
11. ## Math/Algebra

Could someone please help me with this problem. I posted it yesterday but the teacher who tried to help me didn't know what I was fully talking about and I hope you can. Directions: Find the area of each shaded region in simplest form. (Imagine a medium

12. ## physic

Hi! Question:A ball is tossed from an upper-story window of a building.The ball is given an initial velocity of 7.80m/s at an angle of 21.0 degrees below the horizontal.It strikes the ground 3.00s later. A.How far horizontally from the base of the building

asked by Chan on September 30, 2009
13. ## Physics

A stationary block explodes into two pieces L and R that slide across a frictionless floor and then into regions with friction, where they stop. Piece L, with a mass of 2.0 kg, encounters a coefficient of kinetic friction µL = 0.40 and slides to a stop in

asked by COFFEE on February 25, 2007
14. ## Science

On an inclined plane, how much force will move a resistance of 30 kg? I know that 5 kg of force will move a resistance of 15 kg, but cannot see the connection between the two numbers to finish the rest of the examples.

asked by Marcia on April 22, 2015
15. ## physics

A 0.125 kg cart rolls along a metal track with a kinetic energy of 0.25 J. How high up an inclined metal track will the cart roll?

asked by Ryley on March 5, 2012
16. ## History

1. Why did Henry Briggs and other parents sue the Summerton School District? a. They believed Black schools weren't equal to white schools, so the schools should be integrated.

asked by Loser on May 1, 2018
17. ## Physics

The Flower Pot: A flower pot falls off a windowsill and falls past the window below. It takes .3 s to travel from the top of the window to the bottom of the window which is 2.2 m tall. From what height above the top of the window did the flower pot fall?

asked by Zalak on November 21, 2012
18. ## college psych

All of the following are true of major depressive disoder EXCEPT: a)Major depressive disorder is the top cause of disability worldwide b) Adult women have higher rate of major depressive disorder than adult men c) Asian countries such as Taiwan and Korea

asked by Michele on December 10, 2008
19. ## math

hy,i have trouble doing (x+1) with an exponent 3 on top of the parentheses and (x+1) with an exponent 4 on top of the parentheses thank you

asked by kevin on June 30, 2009
20. ## English

1. How long are blue whales? - They are about 30 meters long. 1-2. How big are blue whales? - They are about 30 meters long. 2. How much does a blue whale eat? -It eats about 4 tons of krill each day. 3. Every day, how much do baby blue whales drink their

asked by rfvv on November 21, 2012
21. ## Physics

At 10:00hrs a 1.5- m-long vertical stick in air casts a shadow 1.4 m long. If the same stick is placed at 10:00hrs in air in a flat bottomed pool of salt water half the height of the stick, how long is the shadow on the floor of the pool? (For this pool, n

asked by Lindsay on May 27, 2008
22. ## geometry

You have 17 connecting blocks and you make a rectangular shape one block high. How many ways can you do it?

asked by Ann on February 10, 2012
23. ## physics

a 150g-iron ball at 95 Celsius is dropped into a cavity in a block of ice

asked by ice on January 17, 2011
24. ## Science

Calculate the heat required, in joules, to raise the temperature of a 0.20 kg block of aluminium from 20°C to 60°C.

asked by Rev on April 19, 2015
25. ## English

THe tall trees block the blue sky? Sentence run on or fragment?

asked by joshua on September 25, 2012
26. ## physics help

How much energy must be removed from a 200g block of ice to cool it from 0C to -30C? What is the equation for this?

asked by olson56 on August 14, 2011
27. ## jru-physics

what potential energy is acquired by a block of steel whose mass is 50 kg when it is raised 200 cm?

asked by rachel on September 4, 2013
28. ## physics

A 2.40- bullet embeds itself in a 1.20- block, which is attached to a spring of force constant 770 .

asked by bullet and block on December 2, 2011
29. ## math

The lengths of the edges of a rectangular block are integers and their total is 60. What is the greatest possible volume?

asked by theresa on August 15, 2012
30. ## Science

If an Iron block had a length of 2 cm, and a width of 3 cm and a height of 1 cm and a mass of 33 g between what two liquids would it float?

asked by Tywan on January 24, 2017
31. ## chemistry

What is the density of a 16.54 g object if the dimensions of the block are: length = 12.6 mm height = 1.91 cm width = 0.0140 m

asked by kim on February 19, 2013
32. ## bcc

how do you work equation dealing friction and newtons when pulling the distance of a block

asked by jack on February 27, 2010
33. ## chemistry, i need helppp like a.s.a.p!!!!

What is the density of a 23.92 g object block if the dimensions: length = 10.6 mm height = 5.47 cm width = 0.0352 m

asked by danyae on September 24, 2012
34. ## geography

Because the Western Ghats block the monsoon winds, the interior of the subcontinent has a climate that is

asked by Anonymous on November 14, 2010
35. ## geometry

a block prism has a volume of 36 cubic units, what is the least and greatest surface area it could have

asked by william on March 3, 2011

If you get a pian in your calf while walking down the block and it is relieved by resting what is this condition called ?

asked by Anonymous on March 26, 2008
37. ## science

Will a plastic block that has sides that measure 9 cm and its mass is 19.2 grams float on water?

asked by eric on January 18, 2013
38. ## chemistry

Suppose this block is dropped into 25.0ml of water. What will be the new volume reading? Help me please . I dot get it!!

asked by lala on September 23, 2011
39. ## science

If and iron block had a lenght of 2 cm, a width of 3 cm, and a height of 1 cm and a mass of 33 g between what two liquids would it float?

asked by Anonymous on April 22, 2014
40. ## st anns

one egg thrown to a cement block from a height of 20 feet it didn't break why?

asked by amal on December 17, 2015
41. ## chemisty

What is the density of a 17.12 g object if the dimensions of the block are: length = 12.6 mm height = 9.82 cm width = 0.0140 m

asked by mariam on February 20, 2013
42. ## Psychology

If the prototype is block or ball, the concept is: a) construction b) toy c) child d) play I think b

asked by Nicci on July 27, 2011
43. ## Fractions

7/10 of a pound. She cut the block up into 7 equal slices. What was the weight of each slice of cheese?

44. ## Physics

A 4.26 kg block starts up a 33.0 degree incline at 7.81 m/s. How far will it slide if the coefficient of kinetic friction is 0.23?

asked by Jennifer on November 30, 2014
45. ## science

WHICH BLOCK WILL HAVE THE GREATEST CHANGE IN MOTION. A RED B BLUE C GREEN D YELLOW

asked by MARRY on February 17, 2014
46. ## physics

Forces of 3 N and 4 N act the right angles on a block of mass 5 kg. Show that the resulting acceleration is 1 m/s².

asked by Anonymous on April 12, 2011
47. ## grammar..

1. How do I cite quotations of a play? 2. How do I punctuate block quote? *****EXAMPLES WOULD BE HELPFUL!

asked by Anonymous on March 11, 2013
48. ## science

caleb is holding a metal block in his hand.what could he do to decrease the thermal energy?

asked by Anonymous on December 9, 2011
49. ## math

a block prism has a volume of 36 cubic units, what is the least and greatest surface area it could have

asked by vbc on June 21, 2017
50. ## american government

if a purposed amendment violates the constitution should the supreme court be able to block its ratification?

asked by Anonymous on October 28, 2008
51. ## chemistry

What is the density of a 19.74 g object if the dimensions of the block are: length = 12.6 mm height = 2.50 cm width = 0.0140 m

asked by malb3 on February 16, 2014
52. ## physics

find the apparent weight of a 18 cm by 12 cm by 6 cm block of concrete with a mass of 1.82 kg that is submerged under water.

asked by james on January 18, 2012
53. ## Physics

A block of mass 8.1 kg is pulled to the right by an applied force of 76.2 N. If the acceleration is 0.84 m/s^2, how much friction must be present?

asked by Breauna on December 17, 2014
54. ## Maths

A wooden block slides 90cm in half a minute. Find it's mean speed in cm/s

asked by Anonymous on January 22, 2014
55. ## Science

What is the velocity of a block of wood 3.0 cm on each side that has a mass of 27g? Will it float on water?

asked by Guillermo on April 25, 2016
56. ## chemistry

What is the density of a 23.92 g object block if the dimensions: length = 10.6 mm height = 5.47 cm width = 0.0352 m

asked by danyae on September 24, 2012
57. ## MATH

An application of a rational function is T = (AB)/(A+B), which gives the time, T, it takes for two workers to complete a particular task where A & B represent the time it would take for each individual worker to complete the identical task. Estimate how

asked by ALGERBRA on October 25, 2007
58. ## Microeconomics help please (urgent)

True or False? Explain your reasoning. a. The short-run average total cost can never be less than the long-run average total cost. b. The short-run average variable cost can never be less than the long-run average total cost. c. In the long run, choosing a

asked by David on October 22, 2008
59. ## Physics

A long jumper jumps at a 45 degree angle towards the right bank which is 10.0 m away horizontally and 2.5 m vertically below. How long, or short, of the opposite bank will she land?

asked by Bob on September 8, 2010
60. ## PHYSICS

A big clock has a minute hand 3 ft long and a second hand 4 ft long. let x be the distance between their tips. find max value of (dx)/(dt) *d means derivative

asked by jess on October 8, 2007
61. ## math

Chris has a 3 1/2 feet long board of wood He cut out 4 pieces that are each 2/3 foot long Find the combined length of the 4 pieces

asked by patreiiyana on September 10, 2012
62. ## math :)

1. A toy airplane is 10 inches long.If the actual airplane is 75 feet long, find the scale of the model. A. 2:14 ft B. 1:90 ft C. 4:25 ft D. 1:120 ft My answer is B ?

asked by ciara on November 21, 2013
63. ## physics

A metal rod is 40.125 cm long at 20 °C and 40.148 cm long at 35 °C. calculate the coefficient of linear expansion of the rod for this temperature range.

asked by selena on February 22, 2012
64. ## Math

A reel of electric wire 150 metres long cut into two pieces. One is 40 metres shorter than twice the length of the other. How long is each piece.

asked by PHil on July 6, 2015
65. ## geometry

A photographic negative 35mm long and 24mm wide is to be enlarge to make a picture 28.8 cm long.find the width of the picture?

asked by mike on May 17, 2011
66. ## maths

find the height of a pole which casts a shadow 22 cm long at a time and place where the shadow of a stick one meter long ig is 55cm

asked by raju on July 10, 2014
67. ## Science- Check Please :)

I only have a couple questions left but I want to be sure that my answers are correct so can someone please help me by checking my answers and if they are wrong can someone please let me know? Thank you! Question Number 1: A freshwater marsh is a type of

asked by Catarina on March 6, 2014
68. ## nuclear chem

which of the following choices correctly describes the decreasing ability of the radiation to penetrate a sheet of lead that is 3 inches thick? A. alpha particles > beta particles > gamm rays B. gamma rays > alpha particles > beta particles C. alpha

asked by james on April 21, 2007
69. ## math

Judy lies on the ground 45 feet from her tent. Both the top of the tent and the top of a tall cliff are in her line of sight. her tent is 10 feet tall. About how tall is the cliff?

asked by marisela on November 4, 2013
70. ## calculus

Consider ∫R∫xydA, where R is the square R=[0,1]x[0,1]. Let us compute some Riemann sums. For any positive integer n we partition R into n^2 little squares Rij each with sides 1/n long. Within each little square we evaluate the integradn at the point

asked by Bryant on March 20, 2012
71. ## calculus

Consider ∫R∫syDA, where R is the square R=[0,1]x[0,1]. Let us compute some Riemann sums. For any positive integer n we partition R into n^2 little squares Rij each with sides 1/n long. Within each little square we evaluate the integradn at the point

asked by Bryant on March 20, 2012
72. ## calculus

A flag pole is 40 feet high and stands on level ground. a flag is attached to a 120 foot rope passing through a pulley at the top of the flagpole. The other end of the rope is tied to a car at ground level. If car was driving directly away from flagpole at

asked by Jeff on October 26, 2009
73. ## math

a board is 19ft 9inches long is cut into nine equal pieces to the nearest inch. how long is each piece? how many inches of board will be left over?

asked by charlie on July 22, 2016
74. ## math

Choose the answer. 4. (3 pt) Vanessa drew a line that was 6 inches long. She divided the line into 7 equal-length segments. How long was each segment? A.7/6 in. B.13 in. C.6/7 in. D.1/7 in.

asked by Mary on January 29, 2016
75. ## Math

Two trains are travelling in opposite direction. one of these id 500m long having a speed of 120km/hr while other is 100m long having a speed of 60km/h. in what time do these cross each other?

asked by Tehseen on January 6, 2016
76. ## Math

a piece of wire is 20 cm. long. it is cut into pieces, each of which is then bent to form a square. the total area of the two squares is 13 sq. cm. How long is side of each square?

asked by Sigrid on August 12, 2015
77. ## algebra

The cost of a long distance call is \$0.31 for the 1st minute and \$0.24 for each additional minute. How long can you talk without spending more than \$5? (Write and solve an equation.)

asked by Jen on September 30, 2017
78. ## construction

A swimming pool is 120' long,45' wide and 10' deep.How long would it take to fill with water if your maximum fill rate was 15 gallons per minute?

asked by Mark on July 26, 2011
79. ## math

a ribbon is 3 2/3 yards long. Mae needs to cut the ribbon into pieces that are 2/3 yard long. I try 3 2/3 divided by 2/3 so the answer I get is 5 1/2. but when I used the model section I get 5 1/3. Please help me I am so confused.

asked by rocio on September 29, 2015
80. ## Algebra

The cost of a long distance call is \$0.31 for the 1st minute and \$0.24 for each additional minute. How long can you talk without spending more than \$5? (Write and solve an equation.)

asked by Jennifer on September 30, 2017
81. ## Cosine Law

The minute hand of a clock is 12 cm long, and the hour hand is 10cm long. Determine the distance between the tips of the hands at 9:30pm, to the nearest mm.

asked by Jane on May 25, 2014

A Boeing 747 jet is approximately 230 ft long and has a wingspan of 195 ft. if a scale model of the planeis about 40 cm long what is the model's windspan?

asked by debbie on October 18, 2009
83. ## Geometry - Area

Find the area of a regular hexagon with an apothem 10.4 yards long and a side 12 yards long. Round your answer to the nearest tenth.

asked by Kaitlyn on April 15, 2014
84. ## math

a college football pennant is in the shape of an isosceles traingle . the base is 20 long the sides meet at an angle of 35 degrees.how long are the sides?

asked by tareena on May 17, 2008
85. ## foundation of mechanics

A particle is released from rest at a point P on an inclined plane. The inclination of the plane is tan"1 (4/3) to the horizontal. If the coefficient of friction between the particle and the plane is 1/3, find i) the speed of the particle when it passes Q,

asked by khairul on December 27, 2011
86. ## physics

A solid sphere rolls up an inclined plane of inclination angle 35 degrees. At the bottom of the incline, the center of mass of the sphere has a translational speed of 13 ft/s. How far (in feet) does the sphere roll up the plane (distance along the plane)?

asked by Science on May 7, 2013
87. ## math

Yolo has two pieces of string. One is 32 inches long, and the other is 48 inches long. She wants to make as many necklaces as she can, all of the same length. What is the longest a necklace can be?

asked by Ashley on October 9, 2014
88. ## Math

Mark has a 40 foot length of rope he decides tocut it into two pieces. He wants one length four times as long as the other. How long is each piece?

asked by Anonymous on October 9, 2012
89. ## Math

If Phong paints 1 square yard in 2 minutes,how long will it take him to paint a fence that is 3 feet tall and 30 feet long?

asked by Anonymous on October 15, 2015
90. ## math

There are 7 children who are 5ft long,their total length is 3ft longer than a full grown python. How long can the python be?

asked by Birungi on September 25, 2007
91. ## Math

If \$8,500 is invested at 6% compounded continuously, how long will it take to double the investment? How long will it take the original investment to grow to \$14,586.06

asked by Bill on December 10, 2010
92. ## Physics

A big clock has a minute hand 3 ft long and a second hand 4 ft long. let x be the distance between their tips. find max value of (dx)/(dt) *d for derivative

asked by jamie on October 9, 2007
93. ## Maths

A rectangle field is twice as long as its width and is surrounded by a fence 180 meters long, find the length of the field

asked by Keron on December 15, 2014
94. ## maths

terrorists are trying to take over the world. They know the password to the weapon is 5 digits long and contains either 0 or 1, and either 2 or 3, and either 4 or 5, and either 6 or 7, and either 8 or 9. If the robots can enter 5 passwords per second, how

95. ## Geometry

a carpender is cutting a wooden dowl that is 72 cm long. she wants to cut it into 2 pieces so the 1 piece is 5 times as long as the other. what are the lengths of the 2 pieces?

asked by Sarah on August 19, 2014
96. ## Math

Bob is building a house. He has a piece of wood that measures 2 1/3 feet long. He cuts off 3/4 feet, how long is the measure now?

asked by Lisa on November 18, 2015
97. ## Math

A number cube is shown is rolled and a spinner is spun. Find P(an odd number and yellow) The cube numbers are 1,5,3 that are being shown. The spinners colors are yellow in the top left corner, blue in the left bottom color, green in the top right color,

asked by Sonali on April 8, 2015
98. ## Physics

A ditch 2.5 wide crosses a trail bike path (see the figure(Figure 1) ). An upward incline of 15 has been built on the approach so that the top of the incline is level with the top of the ditch. What is the minimum speed a trail bike must be moving to clear

asked by Anonymous on May 24, 2013
99. ## PHYSICS

A bucket is swung on a rope in a vertical circle as shown in the diagram below. The bucket has a mass of 1.5 kg, the radius of circular motion is 1.2 m, and it is being spun at a rate of 45 revolutions per min (RPM) what is the tension of the rope at

asked by Anonymous on January 21, 2011
100. ## Geometry

I have two post that meet the ground perpendicular and the ground is level. One post is 40 feet high, the other is 25 feet high. If I draw a hypotenuse from the top of one post to the base of the other post and another hypotenuse from the top of the other

asked by Josh on July 9, 2013