Mrs lim had a ball of string of length 26 m. she cut 5 m of string to tie up some parcels. the remaining string was then cut into 4 equal pieces. what is the length of each piece of

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  1. MATH HELP PLEASE

    Semester A Unit 4 Lesson 5: Cool Crafts Portfolio Template Choose a room you would like to decorate: _My bedroom________________________________ Measure the length of one wall in inches: _ 12 feet: 144 inches__________________________ 2. Choose a size of

  2. Physics

    A 570.0 g ball moves in a vertical circle on a 103.0 cm-long string. If the speed at the top is 4.30 m/s, then the speed at the bottom will be 10.65 m/s. (you'll learn how to show this Chapter 10.) What is the gravitational force (in N) acting on the ball?

  3. Operations with Fractions

    Darion needs 20 pieces of string 3/8 inch in length. He cut a 4 7/8 inch piece of string into pieces that are 3/8 of an inch long each. How many more pieces of string of string does he need?

  4. math

    a piece of string is cut in half, so that one half can be used to tie newspapers, one third of the remaining string is cut off to tie a parcel. the leftover string is 2m long. how long was the whole string

  5. physics

    ssm A string trimmer is a tool for cutting grass and weeds; it utilizes a length of nylon "string" that rotates about an axis perpendicular to one end of the string. The string rotates at an angular speed of 56 rev/s, and its tip has a tangential speed of

  6. physics

    A metal block of mass m is attached to the ceiling by a spring. Connected to the bottom of this block is a string that supports a second block of the same mass m, as shown in the figure . The string connecting the two blocks is now cut.What is the net

  7. physics

    (e) If the speed of the ball at the bottom of the circle is v, what is the expression for the centripetal force on the ball in terms of its speed v and the length L of the string? Take the upward direction as positive and the downward direction as negative

  8. physics

    Estimate the force a person must exert on a string attached to a 0.120 kg ball to make the ball revolve in a circle when the length of the string is 0.600 m. The ball makes 1.20 revolutions per second. Do not ignore the weight of the ball. In particular,

  9. physics

    a simple pendulum consists of a bob of mass 1.8 kg attached to a string of length 2.3 m. the pendulum is held at an angle of 30 from the vertical by a light horizontal string attached to a wall, as shown above. calculate the tension in the horizontal

  10. math

    a ball of string is 50 yards long. a shipper uses 5 yards of string to tie packages, the remaining string is then cut into 7 equal pieces. what is the lengths of each of the 7 pieces of string?

  11. physics

    You swing a 1.40m long string with a metal ball attached to its end in a vertical circle, such that the speed of the ball does not change but the rope is always taut. The tension in the string when the ball is at the bottom of the circle is 64.0N more than

  12. physics

    A tennis ball on a string is being swung in a horizontal circle of radius r. The ball has mass m and the string length l. Which expression gives the magnitude of the tension T in the string in terms only of the speed v of the ball and of m, r, and l?

  13. Math

    A string is cut in half,and one of the halves is used to bundle newspapers. Then one fifth of the remaining string is cut off. The piece left is 8 feet long. How long was the string originally? Please work this out. The anwser is 20 ft. THANKS

  14. math

    STRING LENGTHS: You have two pieces of string. One is 27 cm long. The other is 45 cm long. You want to cut each piece of string into smaller pieces of equal length. Each length is to be a whole number of centimeters. List all the possible lengths of the

  15. physics

    A tetherball leans against the smooth, frictionless post to which it is attached.The string is attached to the ball such that a line along the string passes through the center of the ball. The string is 1.20m long and the ball has a radius of 0.120mwith

  16. physics

    A ball of mass 3.0 kg is tied to the end of a 50-cm length of string. The ball and string are swung in a circle in a vertical plane at constant speed v, which is the minimum speed necessary to keep the string taut at all times. The center of the circle is

  17. Physics

    A tennis ball connected to a string is spun around in a vertical, circular path at a uniform speed. The ball has a mass m = 0.167 kg and moves at v = 4.9 m/s. The circular path has a radius of R = 0.98 m 1.)What is the magnitude of the tension in the

  18. Physics

    Imagine that you swing about your head a ball attached to the end of a string. The ball moves at a constant speed in a horizontal circle. Part A If the mass of the ball is 0.160kg and you supply a tension force of 14.5N to the string, what angle would the

  19. Physics

    A 0.20-kg ball on a string is whirled on a vertical circle at a constant speed. When the ball is at the three o'clock position, the string tension is 16 N. Find the tensions in the string when the ball is at twelve o'clock and at the six o'clock positions.

  20. Math

    1. Choose a room you would like to decorate. Measure its length or width. This measurement will be the length of your pennant string. 2. Choose a size of paper square to use. (Hint: Whole number side lengths will make the calculations easier.) 3. Cut the

  21. Physics

    A ball is tied to one end of a string. The other end of the string is held fixed. The ball is set moving around a vertical circle without friction, and with speed vi = (Rg)1/2. At what angle from the bottom should the string be cut so that the ball will

  22. Physics

    A ball of mass m=4.6, at one end of a string of length L=6.6, rotates in a vertical circle just fast enough to prevent the string from going slack at the top of the circle. Assuming mechanical energy is conserved, the speed of the ball at the bottom of the

  23. Mathematics

    A piece of string can be cut into equal lengths of 20cm, 24cm or 30cm long. find the length of the shortest piece of string for which this is possible. PLEASE SHOW WORKING

  24. Physics

    A ball on the end of a string is whirled around in a horizontal circle of radius 0.486 m. The plane of the circle is 1.83 m above the ground. The string breaks and the ball lands 2.39 m away from the point on the ground directly beneath the ball’s

  25. math,word problem(algebra)

    The length of a piece of cloth is 8y m.Mr Lim cut 7 m from it to sew some cushion covers.Then,he cut 3y m to sew a curtain.The remaining material was cut into 4 equal pieces.How long was each piece in terms of y? please help me to complete this&thanks for

  26. Physics

    A ball on the end of a string is whirled around in a horizontal circle of radius 0.33 m. The plane of the circle is 1.21 m above the ground. The string breaks and the ball lands 2.22 m away from the point on the ground directly beneath the ball’s

  27. Science

    Tracy ties a ball to a string and starts to swing the ball around her head what forces are acting on the ball what happens if the string breaks

  28. physics

    A small 15.0 g plastic ball is suspended by a 30.0 cm string in a uniform electric field of 3000 N/C, as shown in the picture. If the ball is in equilibrium when the string makes a 45° angle with the vertical as indicated, what is the net charge on the

  29. PHYSICS!!

    A ball on the end of a string is whirled around in a horizontal circle of radius 0.386 m. The plane of the circle is 1.10 m above the ground. The string breaks and the ball lands 2.00 m (horizontally) away from the point on the ground directly beneath the

  30. Physics

    A ball on the end of a string is moving in circular motion as a conical pendulum as in the figure. The length L of the string is 1.70 m, the angle  is 37.0 degrees and the ball completes one revolution every 2.51 seconds. (a) What is the speed (m/s) of

  31. College Physics

    A charged particle is hanging from the side of a wall by means of an uncharged string. The wall has a negative charge producing a horizontal electric field. The particle has a mass of .01 Kg. and charge of -80(micro)C and is suspended by a string .3m long.

  32. physics

    A small ball of mass 65 g is suspended from a string of length 53 cm and whirled in a circle lying in the horizontal plane.If the string makes an angle of 28◦ with the vertical, find the centripetal force experienced by the ball. The acceleration of

  33. Physics

    Suppose you pluck a string on a guitar and it produces the note A at a frequency of 440 Hz. Now, you press your finger down on the string against one of the frets, making this point the new end of the string. The newly shortened string has 4/5 the length

  34. Physics

    A 1.42 kg ball is connected by means of two massless strings, each of length L = 1.29 m, to a vertical, rotating rod. The strings are tied to the rod with separation d = 1.29 m and are taut. The tension in the upper string is 48.0 N. What are (a) the

  35. W

    A small plastic ball of mass m = 3.00 g is suspended by a string of length L = 24.5 cm in a uniform electric field, as shown in the figure below. If the ball is in equilibrium when the string makes a θ = 16.0° angle with the vertical as indicated, what

  36. maths

    Christopher has cut three pieces of string to three kites.two pieces are equal length. rhw third pieces is one half of the lenght of each of the others. he cut out the three pieces from a roll of string 70 meters long without any String left over.Find the

  37. physics

    A tetherball leans against the smooth, frictionless post to which it is attached. The string is attached to the ball such that a line along the string passes through the center of the ball. The string is 1.30 long and the ball has a radius of 0.170 with

  38. Physics

    A small lead ball of mass 2kg is suspended at the end of a light string 1m in length. A small peg, 0.5m below the suspension point, catches the string in its swing. The ball is set swinging through small angles. A) What is the period of the pendulum? B)

  39. Physics

    a 1.92 kg ball is connected by means of two massless strings, each of length L = 1.69 m, to a vertical, rotating rod. The strings are tied to the rod with separation d = 1.69 m and are taut. The tension in the upper string is 51.0 N. What are (a) the

  40. Physics please help.

    A ball of Styrofoam (ρ = 100 kg/m3) is totally submerged in water. The ball has a mass of 300.0 g (it could be a pretty big block). What is the volume of the ball? If a string holds the ball when it’s in the water, what’s the tension in the string?

  41. physics

    I am not sure how to setup this problem. I posted it earlier and "BOB PURSELY" responded we are happy to critique your thinking. I have know idea how to solve this problem or even where to start. Please help!!! A tetherball leans against the smooth,

  42. physics

    A solid rod of mass M = 1.00 kg and length L = 85 cm is suspended by two strings, each with a length d = 83 cm (see Figure), one at each end of the rod. The string on side B is cut. What is the magnitude of the initial tangential acceleration of end B? The

  43. physics

    A ball on the end of a string is whirled around in a horizontal circle of radius 0.33 m. The plane of the circle is 1.26 m above the ground. The string breaks and the ball lands 2.4 m away from the point on the ground directly beneath the ball’s location

  44. Physics(IMPORTANT)

    A small ball of mass m=0.60 kg hangs from a massless string of length l=0.9 m. The ball travels in a vertical circle and its speed at the bottom is v0=6.0 m/s (see figure). Neglect all friction and air drag, and use g=10m/s^2 for the gravitational

  45. Physics Help

    A ball of mass 1.76 kg is tied to a string of length 4.19 m as shown in Figure P6.50. The ball is initially hanging vertically and is given an initial velocity of 9.4 m/s in the horizontal direction. The ball then follows a circular arc as determined by

  46. College Physics

    A ball of mass 620 g hangs from a spring whose stiffness is 195 newtons per meter. A string is attached to the ball and you are pulling the string to the right, so that the ball hangs motionless, as shown in the figure. In this situation the spring is

  47. Physics

    As shown in the picture to the right, a ball is suspended from the ceiling by a string of negligible mass. When the ball is set into motion such that it moves in a horizontal circle at a constant speed of 1.6m/s, the tension in the string is 7.7N. What is

  48. Science

    A uniform metal ball (mass m) is tied to the end of a string (massless, length L). The other end of the string is fixed. The ball is moving in a vertical circle centered at the fixed end of the string. Suppose the velocity of the ball at the lowest point

  49. Physics

    A .5kg ball hangs on a string attached to the ceiling. If the string is cut what forces act on the ball as it falls? Ignoring air resistance. Weight is one of the forces acting on the ball. Is there another force acting on the ball? I know there isn't

  50. physics

    A ball(mass=3kg) is attached to 2 strings and it is rotated by one string and to the other is joined to another ball which is also attached to another ball by a string.Which of the strings experience the maximum when length of each string is 1metre?

  51. math

    Mrs. Gainey needs to buy string for 5 students to do a science activity. Each student needs 2 feet of blue string and 1 foot of red string. How many yards of string does Mrs. Gainey need to buy?

  52. Math

    If I cut 30 feet of string into 8 pieces of equal length how long was each piece of string?

  53. Physics

    Ball, with a weight of 200 grams, tied to a string rotates around in a horizontal plane. Period of rotation is 2 seconds. What is the force (in N) which acts on the string? The length of the string is 0.5 meters.

  54. Physics

    A tennis ball connected to a string is spun around in a vertical, circular path at a uniform speed. The ball has a mass m = 0.162 kg and moves at v = 4.73 m/s. The circular path has a radius of R = 0.87 m 1)What is the magnitude of the tension in the

  55. Physics

    A tennis ball connected to a string is spun around in a vertical, circular path at a uniform speed. The ball has a mass m = 0.162 kg and moves at v = 4.73 m/s. The circular path has a radius of R = 0.87 m 1)What is the magnitude of the tension in the

  56. Physics

    A small metal ball with a mass of m = 78.9 g is attached to a string of length l = 1.76 m. It is held at an angle of = 44.5° with respect to the vertical. The ball is then released. When the rope is vertical, the ball collides head-on and perfectly

  57. Physics

    A ball on the end of a string is whirled around in a horizontal circle of radius 0.300m. The plane of the circle is 1.19m above the ground. The string breaks and the ball lands 1.91m (horizontally) away from the point on the ground directly beneath the

  58. Physics

    A ball on the end of a string is whirled around in a horizontal circle of radius 0.486 m. The plane of the circle is 1.83 m above the ground. The string breaks and the ball lands 2.39 m away from the point on the ground directly beneath the ball’s

  59. calc

    need to find: lim as x -> 0 of 4(e^2x - 1) / (e^x -1) Try splitting the limit for the numerator and denominator lim lim x->0 4(e^2x-1) (4)x->0 (e^2x-1) ______________ = ________________ lim lim x->0 e^X-1 x->0 e^x-1 Next solve for lim x->0 and simplify

  60. physics

    A ball on the end of a string is whirled around in a horizontal circle of radius 0.467 m. The plane of the circle is 1.24 m above the ground. The string breaks and the ball lands 2.49 m away from the point on the ground directly beneath the ball’s

  61. math

    Mrs lim had a ball of string of length 26 m. she cut 5 m of string to tie up some parcels. the remaining string was then cut into 4 equal pieces. what is the length of each piece of string?

  62. physics(help!!!!!!!!!!!)

    A small ball of mass m=0.60 kg hangs from a massless string of length l=0.9 m. The ball travels in a vertical circle and its speed at the bottom is v0=6.0 m/s (see figure). Neglect all friction and air drag, and use g=10m/s^2 for the gravitational

  63. ss01

    A small ball of mass m=0.60 kg hangs from a massless string of length l= 0.8 m. The ball travels in a vertical circle and its speed at the bottom is v0= 5.0 m/s (see figure). Neglect all friction and air drag, and use g=10 m/s2 for the gravitational

  64. Physics HELP!!!!

    A small ball of mass m=0.60 kg hangs from a massless string of length l= 1.2 m. The ball travels in a vertical circle and its speed at the bottom is v0= 6.0 m/s (see figure). Neglect all friction and air drag, and use g=10 m/s2 for the gravitational

  65. Physics HELP!!

    A small ball of mass m=0.60 kg hangs from a massless string of length l= 1.2 m. The ball travels in a vertical circle and its speed at the bottom is v0= 6.0 m/s (see figure). Neglect all friction and air drag, and use g=10 m/s2 for the gravitational

  66. Physics 2

    A small plastic ball of mass m = 3.00 g is suspended by a string of length L = 19.5 cm in a uniform electric field, as shown in the figure below. If the ball is in equilibrium when the string makes a θ = 17.0° angle with the vertical as indicated, what

  67. physics

    A small plastic ball of mass m = 1.50 g is suspended by a string of length L = 15.5 cm in a uniform electric field, as shown in the figure below. If the ball is in equilibrium when the string makes a θ = 19.0° angle with the vertical as indicated, what

  68. physics

    a ball of mass 2kg is suspended by a string of length 2m.it then from "b" and kicks an identical ball at position "a".if frictional force is neglected,through what distance ball "a"is moved horizontal if ball"b"becomes at rest after it kicks ball"a"?take

  69. phsics

    A ball is rotating in a horizontal circle at the end of a string of length 3.8 m at an angular velocity of 8.5 rad/s. The string is gradually shortened to 3.3 m without any force being exerted in the direction of the ball’s motion. Find the new angular

  70. Physics

    Ball A is attached to a string of length l=13.4 m and is released from rest. Ball B is released from rest and falls straight down. Which of the following statements for what happens at point P are correct, and which are incorrect? Explain your reasoning

  71. Maths

    Can someone help me with this... Mr and Mrs Lim went shopping with a total of $712.50. After buying some items each, the amount Mrs Lim had left was 4 times the amount she spent and the amount Mr Lim had left was trice the amount he spent. Both of them had

  72. Physics Please Help!

    A small metal ball with a mass of m = 78.9 g is attached to a string of length l = 1.76 m. It is held at an angle of = 44.5° with respect to the vertical. The ball is then released. When the rope is vertical, the ball collides head-on and perfectly

  73. Physics. LAST PROBLEM!!

    A small metal ball with a mass of m = 82.5 g is attached to a string of length l = 1.72 m. It is held at an angle of θ = 58.5° with respect to the vertical. The ball is then released. When the rope is vertical, the ball collides head-on and perfectly

  74. Mathematics

    Find the length of the shortest string that can be cut into equal length each 20cm, 24cm and 25cm.

  75. Physics

    A 0.20kg ball on a string is whirled on a vertical circle at a constant speed.When the ball is at 3 o'clock position, the string tension is 20N.Find the tensions in the string when the ball is at 12 o'clock and 6 o'clock positions

  76. Physics

    Estimate the force a person must exert on a string attached to a 0.160 kg ball to make the ball revolve in a circle when the length of the string is 0.600 m. The ball makes 1.80 revolutions per second. Do not ignore the weight of the ball. In particular,

  77. math : induction

    The reversal of a string w, denoted w^R, is the string "spelled backwards". For example (reverse)^R = esrever. A careful definition can be given by induction on the length of a string: 1. If w is a string of length 0, then w^R = epsilon 2. If w = ua, where

  78. Physics

    I'm super confused about how to approach this problem. Please help. A ball of Styrofoam (ρ = 100 kg/m3) is totally submerged in water. The ball has a mass of 300.0 g What is the volume of the ball? If a string holds the ball when it’s in the water,

  79. physics

    A ball of mass 1.04 kg at the end of a 0.52 m long string is swung in a vertical circle at the fastest constant speed the ball can have without the string breaking. If the string can only exert 33 N of force without breaking, a) What is the speed of the

  80. Math

    A ball of string is 23m long. 8.3m is cut off. A further 3.49m is cut of string is left?

  81. Math

    How many length of string each 53cm long can be cut from a ball containing 25m?

  82. physics

    A ball of mass 540 g hangs from a spring whose stiffness is 155 newtons per meter. A string is attached to the ball and you are pulling the string to the right, so that the ball hangs motionless, as shown in the figure. In this situation the spring is

  83. math

    Gary has a length of string for making a yo-yo that is fifty-seven and one-half inches long. He wants to cut that in half to get the proper length. Which expression can be used to find the length of each piece of string?

  84. physics

    In the figure provided, a 119 g ball on a 78.9 cm rope is swung in a vertical circle about a point 249 cm above the ground. If the tension in the rope when the ball is at the very bottom of the circle is 8.80 N and a pair of scissors cuts the string

  85. math

    aria cut 30 feet of string into 8 pieces of equal length for a project. How long was each piece of string?

  86. Math

    If a8 myrrh string is equally cut into 3 parts. What is the length of 1 string

  87. Ogle

    A string is cut in half, and one of the halves is used to bundle newspapers. Then one fifth of the remaining string is cut off. The piece left is 8 feet long. how long was the string originally.

  88. mechanics

    You release a ball from rest attached to a string as shown in Figure A. The ball swings freely, and at the bottom of its circular path it strikes a stationary block. The block slides to the left with a speed of 4ms, and the ball bounces back to the right.

  89. physical

    A ball of mass m=8.5, at one end of a string of length L=3.6, rotates in a vertical circle just fast enough to prevent the string from going slack at the top of the circle. Assuming mechanical energy is conserved, the speed of the ball at the bottom of the

  90. Physic II

    Two volleyballs, each of mass 0.300 kg, are charged by an electrostatic generator. each is attached to an identical string and suspended from the same point, as shown in Fiq.2. They repel each other and hang with separation 50.0 cm. The length of the

  91. physics

    A small lead ball of mass 2kg is suspended at the end of a light string 1m in length. A small peg, 0.5m below the suspension point, catches the string in its swing. The ball is set swinging through small angles. A) What is the period of the pendulum? B)

  92. Physics - Uniform circular motion

    If you were swingin a ball on a string around in a circle in a vertical plane, at what point in the path would the string be the most likelt to break? Explain why In what direction would the ball fly when the string broke?

  93. Physic II

    Two volleyballs, each of mass 0.300 kg, are charged by an electrostatic generator. each is attached to an identical string and suspended from the same point, as shown in Fiq.2. They repel each other and hang with separation 50.0 cm. The length of the

  94. Physic

    Two volleyballs, each of mass 0.300 kg, are charged by an electrostatic generator. each is attached to an identical string and suspended from the same point, as shown in Fiq.2. They repel each other and hang with separation 50.0 cm. The length of the

  95. physic

    Two volleyballs, each of mass 0.300 kg, are charged by an electrostatic generator. each is attached to an identical string and suspended from the same point, as shown in Fiq.2. They repel each other and hang with separation 50.0 cm. The length of the

  96. physic

    Two volleyballs, each of mass 0.300 kg, are charged by an electrostatic generator. each is attached to an identical string and suspended from the same point, as shown in Fiq.2. They repel each other and hang with separation 50.0 cm. The length of the

  97. Physics

    Estimate the force a person must exert on a string attached to a 0.160 kg ball to make the ball revolve in a circle when the length of the string is 0.600 m. The ball makes 1.80 revolutions per second. Do not ignore the weight of the ball. In particular,

  98. Physics

    A ball (mass m = 250 g) on the end of an ideal string is moving in circular motion as a conical pendulum as in the gure. The length L of the string is 1.67 m and the angle with the vertical is 37 degrees A) What is the magnitude of the angular momentum (kg

  99. Physics

    I am not sure how to setup this problem. I posted it earlier and "BOB PURSELY" responded we are happy to critique your thinking. I have know idea how to solve this problem or even where to start. Please help!!! A tetherball leans against the smooth,

  100. Calculus

    Find the following limits algebraically or explain why they don’t exist. lim x->0 sin5x/2x lim x->0 1-cosx/x lim x->7 |x-7|/x-7 lim x->7 (/x+2)-3/x-7 lim h->0 (2+h)^3-8/h lim t->0 1/t - 1/t^2+t

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