safiya places a 5.o-kilogram brick on chair in the classroom.the chair is 1.o meter off the ground.what is the gravitation potential of the brick if it falls off the chair?remember that gravity equals 9.8 meter per second squared

10,123 results
  1. physics

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

  2. PHYSICS - plz help

    A house painter uses a chair and pulley arrangement to lift himself up the side of a house. The painter's mass is 69.2 kg and the chair's mass is 24.0 kg. With what force must he pull down on the rope in order to accelerate upward at 0.379 m/s2? The rope

  3. science

    A chair of mass 15.5 is sitting on the horizontal floor; the floor is not frictionless. You push on the chair with a force = 38.0 that is directed at an angle of 42.0 below the horizontal and the chair slides along the floor.Use Newton's laws to calculate

  4. Science

    A hydraulic lift office chair has its seat attached to a piston with an area of 11.2 cm2 . The chair is raised by exerting force on another piston, with an area of 4.12 cm2 . If a person sitting on the chair exerts a downward force of 219 N, what force

  5. Physics

    A 20 kg chair has 250 J of potential energy relative to the ground. If the chair is dropped from its position, what is its speed when it strikes the ground?

  6. Physics

    A "swing" ride at a carnival consists of chairs that are swung in a circle by 17.9 m cables attached to a vertical rotating pole, as the drawing shows. Suppose the total mass of a chair and its occupant is 193 kg. (a) Determine the tension in the cable

  7. Physics

    A chair of weight 85.0 N lies atop a horizontal floor; the floor is not frictionless. You push on the chair with a force of F = 44.0 N directed at an angle of 42.0 degrees below the horizontal and the chair slides along the floor. Using Newton's laws,

  8. physics

    A chair of mass 14.0kg is sitting on the horizontal floor; the floor is not frictionless. You push on the chair with a force F = 40.0N that is directed at an angle of 43.0∘ below the horizontal and the chair slides along the floor.

  9. physics

    While sitting in a lounge chair with the back inclined at an angle of 10 degrees from the vertical, you tuck a pillow between your head and the chair. Then you lower the chair back to 40 degrees and doze with the pillow in place. How has the net force on

  10. English

    1. He stood up form the chair. 2. He got up form the chair. 3. He rose up form the chair. 4. He jumped up form the chair. ----------------------------------- Can we use all the verbs here? Which verbs are commonly used?

  11. physics

    Your new designer chair has an S-shaped tubular metal frame that behaves just like a spring. When your friend, who weighs 580 N, sits on the chair, it bends downward 5 cm. What is the spring constant for this chair?

  12. physics

    A chair of weight 100N lies atop a horizontal floor; the floor is not frictionless. You push on the chair with a force of F = 43.0N directed at an angle of 35.0^\circ below the horizontal and the chair slides along the floor. Using Newton's laws, calculate

  13. physics

    A 25 kg chair initially at rest on a horizontal floor requires 393 N horizontal force to set it in motion. Once the chair is in motion, a 301 N horizontal force keeps it moving at a constant velocity. a) Find the coefficient of static friction between the

  14. physic

    A force of 20 newtons is exerted on a chair from its right and a force of 12 newtons is applied from its left. What is the net force acting on the chair and in what direction will the chair tend to move?

  15. physics

    If you sit in a good swivel chair with your feet off the floor, the chair will turn slightly as you move about but will immediately stop moving when you do. Why can’t you make the chair spin without touching something?

  16. algebra

    David makes and sells chairs. The function p(x)=-10x^2 + 100x - 210 indicates how much profit he makes in a month if he sells the chairs for 10 - x dollars each. What should David charge per chair to make the maximum profit, and what is the maximum profit

  17. Calculus Help

    The deal your assistant signs calls for the sale of a minimum of 260 chairs and up to 410 chairs. The price will be $88 per chair if only 260 chairs are bought, but will be discounted by $0.2 per chair (on the entire order) for every chair ordered in

  18. Physics

    A "swing" ride at a carnival consists of chairs that are swung in a circle by 12.0 m cables attached to a vertical rotating pole, as the drawing shows. (θ = 56.0°) Suppose the total mass of a chair and its occupant is 190 kg. (a) Determine the tension in

  19. Physics

    A "swing" ride at a carnival consists of chairs that are swung in a circle by 11.5 m cables attached to a vertical rotating pole, as the drawing shows. Suppose the total mass of a chair and its occupant is 204 kg. (a) Determine the tension in the cable

  20. Physics

    A cat crouches on the floor, at a distance of 1.6 m from a desk chair of height .45 m. The cat jumps onto the chair, landing with zero vertical velocity. The desk chair has frictionless coasters and rolls away when the cat lands. The mass of the cat is 5.7

  21. physics

    A chair of mass 14.5 kg is sitting on the horizontal floor; the floor is not frictionless. You push on the chair with a force F = 35.0 N that is directed at an angle of 43.0 ∘ below the horizontal and the chair slides along the floor. find the normal

  22. Math

    Marsha purchased a chair that was originally $699. The chair was on sale for 13 off. Marsha signed up for the store’s credit card and received an additional 10% off the sale price. What was the cost of the chair after the discounts?

  23. Arithmetic

    a folding chair regularly sells for $29.50. how much money is saved if the chair is bought at a 20% discount?

  24. physics

    A 7.6 kg chair is pushed across a frictionless floor with a force of 42 N that is applied at an angle of 22° downward from the horizontal. What is the magnitude of the acceleration of the chair?

  25. physics

    A 23 kg chair initially at rest on a horizontal floor requires a 370 N horizontal force to set it in motion. Once the chair is in motion, a 332 N horizontal force keeps it moving at a constant velocity. The acceleration of gravity is 9.81 m/s 2 . a) What

  26. english

    Bernard wanted to break this habit after all, why couldn't a chair be used as a chair? I know this example is a run-on sentence but I want to know if I can fix it by putting a period after habit and capitalizing after?

  27. Physics

    Imagine that a person is seated in a chair that is suspended by a rope that goes over a pulley. The person holds the other end of the rope in his or her hands. Assume that the combined mass of the person and chair is M. What is the magnitude of the

  28. help me please

    You are shopping for an executive desk chair at The Furniture Gallery. You see two you like on sale. Chair A was originally $119.99 now on sale for $79.99 and Chair B was originally $149.99 now on sale for $89.99. Calculate the markdown percent of each

  29. algebra

    You are shopping for an executive desk chair at The Furniture Gallery. You see two you like on sale. Chair A was originally $119.99 now on sale for $79.99 and Chair B was originally $149.99 now on sale for $89.99. Calculate the markdown percent of each

  30. math

    Determine the number of ways three trumpet players out of 6 are chosen for 1st chair, 2nd chair, and 3rd chair.

  31. physics

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

  32. Physics

    A chair of weight 85.0N lies atop a horizontal floor; the floor is not frictionless. You push on the chair with a force of F = 45.0N directed at an angle of 34.0∘ below the horizontal and the chair slides along the floor. Using Newton's laws, calculate

  33. physics

    A chair of weight 115 lies atop a horizontal floor; the floor is not frictionless. You push on the chair with a force of = 44.0 directed at an angle of 34.0 below the horizontal and the chair slides along the floor.

  34. physics

    A 25 kg chair initially at rest on a horizontal floor requires 360 N horizontal force to set it in motion. Once the chair is in motion, a 316 N horizontal force keeps it moving at a constant velocity. a) Find the coefficient of static friction between the

  35. Physical Science

    A force of 60N used to push a chair across a room does 300J of work in half a minute. How far does a chair move?

  36. English

    1. He felt it hard to solve the problem. 2. He felt that he should get up early. 3. He felt like a philosopher. 4. The fish smelled like a dead body. (Are they all grammatical and correct?) 5. The stool is cheaper than the rocking chair. 6. The stool is

  37. TECH

    A HYDRAULIC LIFT OFFICE CHAIR HAS ITS SEAT ATTACHED TO A PISTON WITH AN AREA OF 11.2CM2. THE CHAIR IS RAISED BY EXERTING FORCE ON ANOTHER PISTON, WITH AN AREA OF 4.12CM2. IF A PERSON SITTING ON THE CHAIR EXERTS A DOWNWARD FORCE OF 219 N, WHAT FORCE NEEDS

  38. physic

    A swing ride at a carnival consists of chairs that are swung in a circle by 11.0-m cables attached to a vertical rotating pole, as the drawing shows. Suppose the total mass of a chair and its occupant is 164 kg, the angle θ = 58°. Find the speed of the

  39. Math

    Meagan is sitting in a rocking chair, the distance d(t-) between the wall and the rear of the chair varies sinusoidally with time t. At t = 1s , the chair is closest to the wall and d(1) = 18 cm. At t = 1.75s the chair is farthest from the wall and d(1.75

  40. Physics

    Draw a free body diagram and Apply Newton's 2nd law in both direction. 60 kg chair is pulled along a rough horizontal surface under the action of a 200N force 30 degrees up from horizontal, as shown the acceleration of the chair is 1.5 m/s^2. a) Determine

  41. Physics

    A chair of weight 75.0N lies atop a horizontal floor; the floor is not frictionless. You push on the chair with a force of F = 45.0N directed at an angle of 40.0¡ã below the horizontal and the chair slides along the floor. Using Newton's laws, calculate

  42. physics

    A chair of weight 100N lies atop a horizontal floor; the floor is not frictionless. You push on the chair with a force of F = 43.0N directed at an angle of 35.0^\circ below the horizontal and the chair slides along the floor. Using Newton's laws, calculate

  43. physics

    The Space Shuttle astronauts use a massing chair to measure their mass. The chair is attached to a spring and is free to oscillate back and forth. The frequency of the oscillation is measured and that is used to calculate the total mass m attached to the

  44. Physics

    A "swing" ride at a carnival consists of chairs that are swung in a circle by 19.8 m cables attached to a vertical rotating pole, as the drawing shows. Suppose the total mass of a chair and its occupant is 144 kg. (a) Determine the tension in the cable

  45. math

    charles wants to buy a chair for his room and that is usually priced at $7500 and is now discounted at 30% what is the sale price of the chair

  46. Finite Mathematics

    compute the number of permutation that a chair, vice chair, secretary, treasurer and parliamentary can be chosen from a committee of twenty members.

  47. Precal

    Suppose that you are sitting in a chair on a Ferris wheel that has a diameter of 120 feet that is boarded 6 feet above the ground at the 6 o’clock position. If the Ferris wheel moves in a counterclockwise direction and makes one revolution every 12

  48. physics

    A “swing” ride at a carnival consists of chairs that are swung in a circle by 13.5 m long cables attached to a vertical rotating pole, as the drawing shows. Note that the cables make an angle of 60.0o with respect to the vertical, as shown. Suppose the

  49. science

    What force is needed to move a 200.00 neuton chair 1.7 meter?

  50. physics

    safiya places a 5.o-kilogram brick on chair in the classroom.the chair is 1.o meter off the ground.what is the gravitation potential of the brick if it falls off the chair?remember that gravity equals 9.8 meter per second squared.

  51. math

    A. You are shopping for an executive desk chair at The Furniture Gallery. You see two you like on sale. Chair A was originally $119.99 now on sale for $79.99 and Chair B was originally $149.99 now on sale for $89.99. Calculate the markdown percent of each

  52. physics

    A 14.0-kg chair is at rest on a flat floor. The coefficient of static friction between the chair and the floor is 0.450. A person tries to move the chair by pushing on the chair with a force directed at an angle of 30„a below the horizontal. What is the

  53. physics

    A 14.0-kg chair is at rest on a flat floor. The coefficient of static friction between the chair and the floor is 0.450. A person tries to move the chair by pushing on the chair with a force directed at an angle of 30„a below the horizontal. What is the

  54. Advanced Algebra

    The regular price of a chair is $895. If you purchase the chair at a 25% discount and then pay 6% sales tax, what is the final cost of the chair? I don't get how to set up this problem

  55. Geometry

    A lawn chair weighs 8Ib. A child's lawn chair has dimensions exactly one half those of the larger chair. How many pounds does the child's chair weigh?

  56. math

    Using the information you calculated in the question above, consider the following. The Furniture Gallery is offering a 15% discount on plastic chair mats with the purchase of either chair. You have chosen a mat with an original price of $29.00. You also

  57. Science

    Diana is moving into a new apartment. She wants to get a heavy chair up to her second-floor apartment, but it will only fit through the window. Diana could strap the chair to her back and climb a ladder straight up to her window. Or Diane could use a

  58. physics

    A chair of weight 150 lies atop a horizontal floor; the floor is not frictionless. You push on the chair with a force of = 36.0 directed at an angle of 40.0 below the horizontal and the chair slides along the floor.Using Newton's laws, calculate , the

  59. physics

    A chair of weight 150 lies atop a horizontal floor; the floor is not frictionless. You push on the chair with a force of = 36.0 directed at an angle of 40.0 below the horizontal and the chair slides along the floor.Using Newton's laws, calculate , the

  60. physics

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

  61. physics

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

  62. Physics

    A chair with a mass of 30.0kg is shot with a 10g bullet traveling at a speed of 250m/s. The bullet goes 6cm into the chair. The given kinetic friction for for this problem is .2. How far does the chair slide in cm?

  63. physics

    i need help i don't understand how to do this problem so please help me. A student lifts a 5kg chair 0.8m off the floor, walks at a constant speed for a distance 10m, and then puts the chair back down on the floor. calculate the total amount of work done

  64. Math

    3 factories produce and ship reclining chairs. Factory % of chairs produced by this factory % of production that is faulty A 20% 10% B 30% 20% C 50% 10% You order a chair and when you receive it, you see that it is faulty. Determine: P(chair came from

  65. Physics please help!!

    A 73.5 kg person sits on a 3.20 kg chair. Each leg of the chair makes contact with the floor in a circle that is 1.74 cm in diameter. Calculate the pressure exerted on the floor by each leg of the chair, assuming the weight is evenly distributed.

  66. physics

    A 70 kg person sits on a 3.6 kg chair. Each leg of the chair makes contact with the floor in a circle that is 1.5 cm in diameter. Find the pressure exerted on the floor by each leg of the chair, assuming the weight is evenly distributed.

  67. math

    Using the information you calculated in the question above, consider the following. 15% discount on plastic mats with the purchase a chair the mat is $29.00. You also decide to purchase a two-year leather protection plan on your chair for $19.95. If you

  68. Physics

    A "swing" ride at a carnival consists of chairs that are swung in a circle by 17.4 m cables attached to a vertical rotating pole, as the drawing shows. Suppose the total mass of a chair and its occupant is 291 kg. (a) Determine the tension in the cable

  69. physics

    A "swing" ride at a carnival consists of chairs that are swung in a circle by 16.6 m cables attached to a vertical rotating pole, as the drawing shows. Suppose the total mass of a chair and its occupant is 239 kg. (a) Determine the tension in the cable

  70. English

    1. I hit the chair in front of me. 1-1. I hit the chair in front of myself. 2. I hit the chair before me. [They are okay. They are the same. By the way, do you use #1-1? A reflexive pronoun is used here.] 3. I hit the chair in back of me. [O] 4. I hit the

  71. Math

    A man sold a chair and a table together for $1520 thereby, making a profit of 25% on chair and 10% on table. By selling them together for $1535 he would make profit of 10% on the chair and 25% on table. Find the cost price.

  72. English

    1. The girl on the chair looks back. 2. The girl in the chair looks back. 3. The girl at the chair looks back. ----------------------------------------------- Does #1 mean #2? Can we use the preposition 'at' before the chair? What is the difference between

  73. physics

    A chair has a mass of 15kg.If a cat sits on the chair, and the cat has a mass of 5.4kg. What is the normal force on the chair?

  74. earth

    What is the weight of a 30 kilogram chair on Earth?

  75. cleveland

    A 28 kg chair intially at rest on a horizontal floor requires a 360 N horizontal force to set it in motion. Once the chair is in motion, a 329 N horizontail force keeps moving it at a constant velocity. The acceleration of gravity is 9.81 m/s^2. What is

  76. Physica

    a woman pushes horizontally a chair with a force of 400 N the work she does on the chair to move 2 m is

  77. math

    if I know the kinetic friction and the weight of the chair how do I find the force I need to push the chair ?

  78. Math

    An electric dentist chair lifts ruth,110,0.3 meters in 10 seconds what is the power developed by this chair?

  79. hindi

    three persons a,b and c were sitting together on the three chairs. tell me who feel cold while sitting? (hint= persons are sitting in line on first chair a,second chair b & third chair c)

  80. physics

    A 29 kg chair initially at rest on a horizontal floor requires a 375 N horizontal force to set it in motion. Once the chair is in motion, a 345 N horizontal force keeps it moving at a constant velocity. The acceleration of gravity is 9.81 m/s2 . a) What is

  81. physics

    A 23 kg chair initially at rest on a horizontal floor requires a 371 N horizontal force to set it in motion. Once the chair is in motion, a 345 N horizontal force keeps it moving at a constant velocity. The acceleration of gravity is 9.81 m/s 2 . a) What

  82. Math

    A school intended to buy a certain number of chairs for sh 16200. The supplier agreed to offer a discount of sh 60 per chair which enabled the school to get 3 more chairs. Taking x originally intended number of chairs. Write an expressions in term of x

  83. Math

    Word problem A woodcarver wants to make a scale model of a chair. The height of the model will be 3 inches which is 0.08 times the height of the fl sized chair What is the size if the full sized chair in inches?? I got : 5.4 inches. Is this right??

  84. Physical science

    A chair lift holding a 100 kg man rises 5 meters in height in 10 second time period. Ignore the weight of the chair and related machinery and answer the following: How much power is required, in Watts?

  85. Physics

    A toddler applies a 25.0 N force to a chair over a distance of 2.5 m, the chair is being pushed across a smooth floor against a force of friction (10.0 N resistance). How much work is being done?

  86. Physics !! Help Needed UrGeNtLy!!

    A toddler applies a 25.0 N force to a chair over a distance of 2.5 m, the chair is being pushed across a smooth floor against a force of friction (10.0 N resistance). How much work is being done?

  87. math

    Suppose that 4 people sit in 4 chairs in a circle. How many different new seating arrangemens are possible if each person can move 1 chair to the left or right or remain as is and if 1 person must be in each chair?

  88. Mathematics

    Suppose that 4 people sit in 4 chairs in a circle. How many different new seating arrangements are possible if each person can move 1 chair to the left or right or remain as is and if 1 person must be in each chair?

  89. BUSINESS MATH

    You are shopping for an executive desk chair at the furniture Gallery. You see two you like on sale Chair A was originally $119.99 now on sale for $ 79.99 and chairB

  90. Science

    If you lift a chair weighing 50n to a height 10.5 meters and carry it 10 meters across the room. How much work did you do on the chair?

  91. Math

    a furniture company makes similar chairs for adults and children. The height of the adult chair is 80cm while the height of the childrens chair is 50 cm. what is the ratio of their widths

  92. math

    The manufacturer of a reclining lawn chair would like to have the chair positioned at the following angles: 105,125,145,165 and 175. Sides AC are 75cm AB are 55 cm Determine length of BC which the ^ angles

  93. Physics

    Your new designer chair has an S-shaped tubular metal frame that behaves just like a spring with the spring constant 13500 N/m. When your friend, who weighs 910 N, sits on the chair, how far does it bend?

  94. Physics 103

    Your new designer chair has an S-shaped tubular metal frame that behaves just like a spring with the spring constant 13000 N/m. When your friend, who weighs 940 N, sits on the chair, how far does it bend?

  95. algebra

    Q: John sold a chair at a loss of 20% if he had sold it for $50 more, he would have gained 5%. Find the cost price of chair.

  96. Math functions

    The manufacturer of a reclining lawn chair would like to have the chair positioned at the following angles: 105,125,145,165 and 175. B / 0 . / . 55 / . / . / . A/________________.0C 75 Determine the position of the notches(0) on BC that will produce the

  97. Grammar and Composition

    Please check these: Put parenthesis around the prepositional phrases and CAPITALIZE the prepositions. then list two other prepositions that could be used in the sentences. 1. We walked (TO the park.) -around the park -inside the park 2. I found my pencil

  98. English

    1. Sam is sitting down in a chair and playing drum. 2. Sam is sitting down in a chair and playing the drum. 3. Sam is sitting down in a chair and playing a drum. 4. Sam is sitting down in a chair and playing drums. 5. Sam is sitting down in a chair and

  99. English

    1. Dad is in back of the door. [O] 2. Dad is behind the door. [O] 3. Dad is at the back of the door. [?] 4. Dad is in front of the door. [O] 5. Dad is before the door. [O] -------------------------------------------------- I'd like to ask you the question

  100. English

    Look at the picture. A table is in the middle. 1. A chair is on the right. 2. A chair is at the right. 3. A chir is on the right of the table. 4. A cahir is at the right of the table. (Which preposition do we have to sue? Which ones are grammatical?)

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