# do i have the following answer right? a tv set is pushed a distance of 2m with a force of 20 N that is in the same direction as the set moves. how much work is done on the set?

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1. ## Physics

A 75.0kg bobsled is pushed along a horizontal surface by two athletes. After the bobsled is pushed a distance of 4.5m starting from the rest, its speed is 6.0m/s. Find the magnitude of the net force on the bobsled.

2. ## Physics

A lawn roller is pushed across a lawn by a force of 103 N along the direction of the handle, which is 22.5° above the horizontal. If 63.0 W of power is developed for 90.0 s, what distance is the roller pushed?

3. ## physics

A crate pushed along the floor with velocity \vec{v} _{i} slides a distance d after the pushing force is removed.If the mass of the crate is doubled but the initial velocity is not changed, what distance does the crate slide before stopping?

4. ## Science

A box weighing 30 N is pushed a distance of 5 meters. How much work was done?

5. ## Math

The following data sets can be modeled linearly. Data Set M: {(14,95), (9,85), (4,65), (6,80), (3,73), (12,107), (7,64), (12,86), (10,96), (9,64), (1,44)} Data Set N: {(13,109), (9,85), (4,65), (6,80), (3,63), (12,107), (7,76), (11,100), (10,96), (8,85),

6. ## algebra

Which set represents a Pythagorean triple? 27, 38, 42 33, 44, 55 35, 38, 42 68, 72, 81 Which number completes the Pythagorean triple: 12, 16, ____? 18 20 22 24 A base ball diamond is square. The distance from home plate to first base is 90 feet. In feet,

7. ## Physics

A Physics professor is pushed up on a ramp inclined at an angle of 35.0° above the horizontal as he sits in his desk chair that slides on frictionless rollers. The combined mass of the professor and the chair is 86.0 kg. He pushed at a distance 2.95 m

8. ## science

a teacher pushed a 98 newton desk acrosss a floor for a distance of 5 meters she exerted a horizontal force of 20 newton How much work was done?

9. ## algebra

Solve. Simplify your answer. Type an exact answer using radicals as needed. y^2 + 31 = 12y Solution y = {8.236067978, 3.763932022} 1. y =(12-√20)/2=6-√ 5 = 3.764 2. y =(12+√20)/2=6+√ 5 = 8.236 Which would be the correct way to answer this equation,

10. ## physics problem-check

do i have the following answer right? a tv set is pushed a distance of 2m with a force of 20 N that is in the same direction as the set moves. how much work is done on the set? would it be (2 m)(20 N)= 40 J

11. ## algebra

On Monday, Voltaire drove to town at 60 miles per hour. On Tuesday, he drove to town at 40 miles per hour. If the totaling traveling time for both trips was 15 hours, how far was it to town? I know distance=(rate)(time).so I set it up like

12. ## physics

A box is pushed a distance of 2 m with a force of 20 N. How much work is done on the box?

13. ## science

A 4.0-kg block and a 2.0-kg block are connected to opposite ends of a relaxed spring of spring constant 300 N/m. The blocks are pushed toward each other for 0.5 s. The 4.0-kg block is pushed with a force of 53 N , and the 2.0-kg block is pushed with a

14. ## Physics

A lawn roller is rolled across a lawn by a force of 115 N along the direction of the handle, which is 18.7 degrees above the horizontal. If the lawn roller develops 65.9 W of power for 53 s, what distance is the roller pushed? Answer in units of m.

15. ## Math/conics

For each point in a set of points, its distance from (3,4) is four times it's distance from (-5,2) a. Find the equation b. tell which conic section the graph will be.

16. ## Calc

Describe the given set with a single equation or with a pair of equations. The set of points in space that lie 2 units from the point (0,0,1) and, at the same time, 2 units from the point (0,0,-1). I wrote distance equations for both set them equal to each

17. ## physics

A lawn roller is rolled across a lawn by a force of 109 N along the direction of the handle, which is 24.2 above the horizontal. If the lawn roller develops 66.1 W of power for 64 s, what distance is the roller pushed? Answer in units of m.

18. ## math

Each element in a data set is multiplied by 2, and each resulting product is then increased by 5. If 'm' is the mean of the final data set, which of the following expressions gives the mean of the original set in terms of 'm'? ~why is the answer

19. ## physics

A lawn roller is pushed across a lawn by a force of 127 N along the direction of the handle, which is 22.5° above the horizontal. If 64.3 W of power is developed for 90.0 s, what distance is the roller pushed?

20. ## Algebra

Please Help!!!! thanks :) 1. Suppose U= {1,2,3,4,5,6,7,8,9,10} is the universal set, and P= {2,4,6,8,10}. What is P'? a: {1,2,3,4,5,6,7,8,9,10} b: {3,5,7,9} c: {1,3,5,7,9}*** d: {2,4,8} 2. If D is the set of natural numbers that are whole numbers less than

21. ## Physics

An electroscope is a simple device consisting of a metal ball that is attached by a conductor to two thin leaves of metal foil protected from air disturbance in a jar. When the ball is touched by a charged body, the leaves that normally hang straight down,

22. ## science

A 34.0-kg crate is being pushed across a floor. The net horizontal force on the crate is 80.0N. Starting from rest, the crate is pushed over a distance of 4.4m. What is the final speed of the crate?

23. ## Physics

A two man bobsled is pushed along a horizontal, frictionless track by the brakeman. The driver and bobsled have a mass of 280 kg. The brakeman pushes with a net force of 160 N a distance of 50 m. What is the final speed of the bobsled just before the

24. ## Physics

a 45-kg box initially at rest is being pushed with a force of 950 N along a frictionless horizontal surface. What is the speed of the boz after traveling a distance of 2.0m

25. ## math

Once you have created both sets of numbers, complete the following tasks. In each task, make sure to clearly label which set you are identifying or describing. Identify the elements of each set that you created. Calculate the mean of each set. Show your

26. ## physics

A student wearing frictionless in-line skates on a horizontal surface is pushed, from rest, by a friend with a constant force of 45 N. How far must the student be pushed, starting from rest, so that her final kinetic energy is 352 J?

27. ## Physics

Can't figure this one out. "In a pickup game of dorm shuffleboard, students crazed by final exams use a broom to propel a calculus book along the dorm hallway. If the 3.5 kg book is pushed from rest through a distance of 0.88 m by the horizontal 25 N force

28. ## phsics

A lawn roller is pushed across a lawn by a force of 125 N along the direction of the handle, which is 22.5° above the horizontal. If 63.5 W of power is developed for 90.0 s, what distance is the roller pushed? 152.4 m

29. ## physics

A lawn roller is rolled across a lawn by a force of 109 N along the direction of the handle, which is 24.2 above the horizontal. If the lawn roller develops 66.1 W of power for 64 s, what distance is the roller pushed? Answer in units of m.

30. ## physics

As shown in the figure below, a box of mass m = 57.0 kg (initially at rest) is pushed a distance d = 79.0 m across a rough warehouse floor by an applied force of FA = 202 N directed at an angle of 30.0° below the horizontal. The coefficient of kinetic

31. ## scientist

A techer pushed a 98 newton desk across a floor for a distance of 5 meters she exerted a horizontal force of 20 newtons. how much work was done?

32. ## Physics

A spherical source radiates sound uniformly in all directions. At a distance of 12 m, the sound intensity level is 100 dB. At what distance from the source is the intensity level 40 dB? When I set it up as 100dB/40dB = r^2/(12m)^2, and got x = 18.97

33. ## Physics

A box is pushed across a floor with a force of 2.8 N at an angle of 26.8 degrees above the horizontal. How much work, in Joules, must be done to move the box a distance of 8.3 m?

Below is a set of at least two related math/science "words" with their letters combined and arranged in alphabetical order. When you successfully unscramble the letters into the component words, there will be can additional word that should be in the set.

35. ## Math

For each point in a set of points, its distance from (-2,4) is three times its distance from the line x=6 1. find the equation 2. tell which conic section the graph will be.

36. ## phy

A constant force does 12.0 Joules of work pushing a 350 gram block a distance of 2.5 meters up a ramp. The block starts from rest and reaches a speed of 4.75 m/s after being pushed for 2.5 m. The block’s potential energy increases by 5.0 J as it travels

37. ## science/physics

If a pendulum is not pushed, why does it not go as big when it swings back. Where does the lost PE go? ans. Since there is no force applied to the pendulum there is not enough Kinetic energy (energy of motion) to transform into potential energy to make it

38. ## math

Read the question and choose the best answer. The standard distance for the marathon race was set by the International Amateur Athletic Federation in May 1921 at a distance of 42.195 kilometers (26 miles 385 yards). The Summer Olympics Marathon record was

39. ## ap statistics

What would the null and alternate hypothesis be? A fire insurance company felt that the mean distance from a home to the nearest fire department in a suburb of Chicago was at least 4.7 miles. It set its fire insurance rates accordingly. Members of the

40. ## Math

7th grade--how do I determine the slope of a set of stairs? Thanks you find it by measuring thr rise over the run i.e. the vertical distance divided by the horizontal distance. thanks

41. ## Physics

A lawn roller is pushed across a lawn by a force of 119 N along the direction of the handle, which is 22.5° above the horizontal. If 65.7 W of power is developed for 90.0 s, what distance is the roller pushed?

42. ## general physics

a person horizontally pushes a 25 kg couch. Applied force is 18N and average resistive force is 7N. its pushed from rest to a final speed of 2.3 what is the distance pushed the time taken and the power delivered to push couch

43. ## Physics

A long straight horizontal segment of wire with 0.060 m traverses a west magnetic field with 2.0 T. If a south current with 4.0 A flows through the wire, which one of the following statements concerning the effect of the magnetic force on the wire is true.

44. ## math

If I am making a map that has a distance of 200 mm, and the actual distance is 700m. How do I find the calculations to know how much each mm is? You can set up a proportion with x being the number of meters represented by each mm. 200 mm / 700 m = 1 mm / x

45. ## physics

A sled of mass m is given a kick on a frozen pond. The kick imparts to it an initial speed of 2.00 m/s. The coefficient of kinetic friction between sled and ice is 0.100. Use energy considerations to find the distance the sled moves before it stops. find

46. ## Math

I know this question is pretty easy; however, two of the answers look the same to me. Therefore, I just wanted another opinion. Thank you in advance! Question: What is the definition of a circle? A. A circle is the set of all points in a plane that are a

47. ## Physics

Can someone, please help me out with this question. A uniform rectangular 91.21 kg refrigerator with height h = 2.069 m and width w = 1.153 m is pushed at a constant velocity across a level floor. The refrigerator is pushed in the horizontal direction

48. ## physics

A lawn roller is rolled across a lawn by a force of 109 N along the direction of the handle, which is 24.2 above the horizontal. If the lawn roller develops 66.1 W of power for 64 s, what distance is the roller pushed? Answer in units of m.

49. ## Physics

Consider three charges arranged as shown. The picture is three particles in a horizontal line. There charges are represented below in order A B C + + − the distance from A to B is 4.4 cm. The distance from B to C is 4.6 cm A=8.2 µC B=4.5 µC C=−4 µC

50. ## college

Two parallel plates, each with zero mass and an area of 10,000 cm2 are set 0.1 mm apart and the space between them is filled with a Newtonian fluid. The upper plate is pushed in the direction shown with a constant force sufficient to accelerate a mass of 1

51. ## physics

what is the energy transformation when a cart is pushed and rolls along a smoothfloor it hits a rough patch on the floor and slows down. it then falls off a set of staris hits the ground and stops

52. ## Physics

A spherical source radiates sound uniformly in all directions. At a distance of 12 m, the sound intensity level is 100 dB. At what distance from the source is the intensity level 40 dB? When I set it up as 100dB/40dB = r^2/(12m)^2, and got x = 18.97

53. ## Physics

Two boxes, mass 4.0 kg and 5.0 kg are set next one another on a frictionless surface. The first box is pushed with a force of 35 N. What normal forces does the second box exert on the first box during this process? (ans: 19 N) How do you do this question?

54. ## math

The set S has the property that if a is in S, then a squared + a is also in S. What set could be S? The answer is {1,0}. How do you get this answer? What numbers squared are itself? one and zero But what exactly is a set and what is a? I'm not sure,

55. ## physics

If a person pushes on a block and it travels a distance of 6.0m before stopping. How far would the block travel if it were pushed with the same force, but on the moon(which has 1/6 of the earth's gravity).

56. ## Math

How do you make the answer 10 using the numbers from either set only once in any order? set 1) 5, 6, 2 set 2) 3, 4, 6

57. ## Math

How do you make the answer 10 using the numbers from either set only once in any order? set 1) 5, 6, 2 set 2) 3, 4, 6

58. ## physics

Oasis B is a distance d = 9 km east of oasis A, along the x axis shown in the Figure. A confused camel, intending to walk directly from A to B instead walks a distance W1 = 20 km west of due south by angle θ1 = 15.0°. It then walks a distance W2 = 32 km

59. ## Physics

A ball is pushed horizontally off the edge of a table with a height of 3.0 meters. The ball is pushed in such a way that when it rolls off the edge it is moving at 10m/s

60. ## Physics

A crate is initially at rest on a rough, horizontal floor. The crate moves in a straight line as it is pushed resulting in the crate speeding up at a constant rate of 3.89 m/s2. After a while, the crate is no longer being pushed and the crate slows down at

61. ## Physical

1. A 1000kg car moving at 10m/s brakes to a stop in 5s. The average braking force is...........N? A. 1000 B. 2000 C. 4000 D. 5000 2. A 20kg mass is held 4m above the ground. What is the approximate potential evergy of the mass with respect to the ground?

62. ## physics

A lawn roller is pushed across a lawn by a force of 103 N along the direction of the handle, which is 22.5° above the horizontal. If 63.0 W of power is developed for 90.0 s, what distance is the roller pushed?

63. ## physics

A 75 kg bobsled is pushed along a horizontal surface by two athletes. After the bobsled is pushed a distance of 4.5 m starting from an initial speed of 1.2 m/s, its speed is 6.0 m/s. What is the change in kinetic energy? Find the magnitude of the net force

64. ## Boolean Algebra

In the country of Genovia, the president wants to ensure that the Monetary Committee can activate a device that opens the country’s safe. The safe system is to be activated by a device that obeys the following rules: Each member of the Monetary Committee

65. ## Boolean Algebra

In the country of Genovia, the president wants to ensure that the Monetary Committee can activate a device that opens the country’s safe. The safe system is to be activated by a device that obeys the following rules: Each member of the Monetary Committee

66. ## Boolean Algebra

In the country of Genovia, the president wants to ensure that the Monetary Committee can activate a device that opens the country’s safe. The safe system is to be activated by a device that obeys the following rules: Each member of the Monetary Committee

67. ## Boolean Algebra

In the country of Genovia, the president wants to ensure that the Monetary Committee can activate a device that opens the country’s safe. The safe system is to be activated by a device that obeys the following rules: Each member of the Monetary Committee

68. ## Lakshman

A 2M box is set on top of a 12M box. There is friction beween the masses. The 12M box is pushed against a spring. The spring is compressed a distance X by a 12 M mass. The 2M box does not slide from its position on top of the 12M mass. (the two masses are

69. ## Physics

1. A weight lifter lifts a set of weights a vertical distance of 3.85 m. If a constant net force of 350 N is exerted on the weights, what is the net work done on the weights? (Show all work and include units of measure) 2. A car has a kinetic energy of

70. ## statistics

Twelve college students were surveyed about the distance from their house to the college they attended. 12 18 54 13 15 24 8 5 14 27 1 20 1. Using the data set above, find the percentile ranking for the data point 24. 2. Using the data set above, what

71. ## English

1. My brother came and pushed me away. 2. My brother came and pushed me off. [Can we use both 'away' and 'off'? Are both sentences the same in meaning?] 3. What field of study are you interested in? 4. I'm interested in biology. [Is this answer suitable?]

72. ## Physics

Large boxes of pumpkins are set on a ramp to be unloaded out of a truck. The 300.0 lb boxes are set on the ramp which has an incline of 35 degrees. They must then be pushed to get started down the plane towards the bottom. If the coefficient of the static

73. ## College Physics

Large boxes of pumpkins are set on a ramp to be unloaded out of a truck. The 300.0 lb boxes are set on the ramp which has an incline of 35 degrees. They must then be pushed to get started down the plane towards the bottom. If the coefficient of the static

74. ## Physics

A ninety kilogram sofa is being pushed by four meters to the other side of a hall. After an initial push the sofa is pushed with a 600 N force. In this case, 0.6 is the coefficient of kinetic friction. What would be the magnitude and direction of the

75. ## physics

A block of mass 2.5 kg is pushed up against the vertical wall by a force of 60 N acting at 47◦ to the ceiling. The coefficient of kinetic friction between the block and the wall is 0.67. The acceleration of gravity is 9.8 m/s2 . Find the work done by

76. ## Physics

A mass exerts 45.0N on a 30 kg box, making it slide over a smooth surface for a distance of 10.0m . He stops pushing, just as the box crosses the 10.0m mark. (a) what is the work done by the man on the box? (b) what form of energy does the box posses after

Twelve college students were surveyed about the distance from their house to the college they attended. 12 18 54 13 15 24 8 5 14 27 1 20 1. Using the data set above, find the percentile ranking for the data point 24. (is this 75th percentile? 2. Using the

78. ## algebra II

need set notation for two step inequalities. problem is -4-5v5. if that's true, then how do u do set notation for answer? have 80 set notations to do and need to know how to do this by example

79. ## Math

The weight w of an object varies inversely as the square of the distance d from the center of the earth. At sea level (3978 miles from the center of the earth), an astronaut weighs 110 pounds. Find her weight when she is 139 miles above the surface of the

80. ## math

Below is a set of at least two related math/science "words" with their letters combined and arranged in alphabetical order. When you successfully unscramble the letters into the component words, there will be can additional word that should be in the set.

Below is a set of at least two related math/science "words" with their letters combined and arranged in alphabetical order. When you successfully unscramble the letters into the component words, there will be can additional word that should be in the set.

82. ## math

the vertices are at (2,1) and (2,7) and focus is at (2,*) write the equation of the hyperbola that meets each set of conditions. Is the asterisk supposed to be an 8? It has to be some number. I will set this up for you later of you respond. The fomulas you

83. ## math

Your home security system is disarmed when 3 different number buttons are pushed in a certain order. No button can be pushed twice! A robber attempts to break into your house. What is the probability that he can disarm the device by randomly guessing 3 of

84. ## math

it took cindy 2h to bike from abbott to benson at a constant speed. the return trip took only 1.5h because she increased her speed by 6km/h. how far apart are abbott and benson? distance = rate*time a to b. d= r*2 hrs b to a d=(r+6 km/hr)*1.5 hrs. Set

85. ## Math

Can someone explain to me the general procedure used to identify and set up a proportion problem? Repost with a specific problem, so we can use it as an example. I hope this helps a little. Thanks for asking. The following ratios: Map scale - distance

86. ## math check

1. find the square root of 25 answer 5 2. find the median of the following set of numbers 33,72,23,27,77,68,85 answer 68 3. find the mean of the following numbers 13, 15,18,18,18,19,22,26,28,33 answer 21 4. find the mode 15,14,10,15,,16 answer 15 5. the

87. ## physics

A block of mass m = 3.60 kg is pushed a distance d = 2.60 m along a frictionless, horizontal table by a constant applied force of magnitude F = 11.0 N directed at an angle è = 28.0° below the horizontal as shown in the figure below.

88. ## math

Each element in a data set is multiplied by 2, and each resulting product is then increased by 5. If 'm' is the mean of the final data set, which of the following expressions gives the mean of the original set in terms of 'm'? ~why is the answer

89. ## Honors Algebra 1

I have trouble with remembering sets. So these are my questions, and can someone show me how to do them? (1)Z is the set of all letters of the alphabet. Z={a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,x,y,z} (a) A is a subset of set Z. A= {a, b, c, d, e,

90. ## Physics

a block of mass m= 15.6kg is to be pushed with force F a distance of D=5.65m along an incline so that it s raised a distance h=3.86m in the process.Assuming frictionless surfaces. Determine: A) The work done by the force F parallel to the incline to pst

91. ## Physics

A 79.4 kg bobsled is pushed along a horizontal surface by two athletes. After the bobsled is pushed a distance of 7.1 starting from rest, its speed is 4.7 m/s. Find the magnitude of the net force on the bobsled. Answer in units of N.

92. ## physics

..A lawn roller is pushed across a lawn by a force of 103 N along the direction of the handle, which is 22.5° above the horizontal. If 63.1 W of power is developed for 90.0 s, what distance is the roller pushed?

93. ## Boolean Algebra

In the country of Genovia, the president wants to ensure that the Monetary Committee can activate a device that opens the country’s safe. The safe system is to be activated by a device that obeys the following rules: Each member of the Monetary Committee

94. ## physics

Jen pushed a box for a distance of 80m with 20 N of force. How much work did she do?

95. ## science

a gift pack was pushed with a force of 30N through a distance of 12. How many joules of work was done

96. ## English

Choose the one word or phrase that best completes the sentence. 1.In some countries environmental organizations have been _____to inform peole and gain their support a.set off b.make up c.set down d.set out e.set up 2.All questions must be answered ____and

Twelve college students were surveyed about the distance from their house to the college they attended. 12 18 54 13 15 24 8 5 14 27 1 20 1. Using the data set above, find the percentile ranking for the data point 24. (is this 75th percentile? 2. Using the

98. ## math

Twelve college students were surveyed about the distance from their house to the college they attended. 12 18 54 13 15 24 8 5 14 27 1 20 1. Using the data set above, find the percentile ranking for the data point 24. (is this 75th percentile? 2. Using the

99. ## Physics

A spherical source radiates sound uniformly in all directions. At a distance of 12 m, the sound intensity level is 100 dB. At what distance from the source is the intensity level 40 dB? When I set it up as 100dB/40dB = r^2/(12m)^2, and got x = 18.97

100. ## Physics

A ninety kilogram sofa is being pushed by four meters to the other side of a hall. After an initial push the sofa is pushed with a 600 N force. In this case, 0.6 is the coefficient of kinetic friction. (The diagram shows the sofa being pushed from the