A 10 kg block slides down a frictionless slope which is at angle = 29 . Starting from rest, = 29 . Starting from rest,= 29 . Starting from rest,= 29 . Starting from rest,

51,168 results, page 23

Physics

A 17 g bullet strikes and becomes embedded in a 1.20 kg block of wood placed on a horizontal surface just in front of the gun. If the coefficient of kinetic friction between the block and the surface is 0.23, and the impact drives the block a distance of 8.6 m before it comes ...

Physics! Need help!

A 60 kg block slides along the top of a 100 kg block. The lighter block has an acceleration of 3.4 m/s2 when a horizontal force F= 370 N is applied. Assuming there is no friction between the bottom 100 kg block and the horizontal frictionless surface but there is friction ...

science

A massive particle at rest with mass M breaks up into two unequal 'u' to the right and the other piece travels at 'v'. to the left. What are the rest masses of these two pieces?

physics

a body of mass 65kg falls freely from rest through a height of 50m find the average force exerted by the ground to bring the body to a rest

Physics

A 60 kg block slides along the top of a 100 kg block with an acceleration of 4.0 m/s2 when a horizontal force F of 325 N is applied. The 100 kg block sits on a horizontal frictionless surface, but there is friction between the two blocks.

physics

A steel ball of mass 0.300 kg is fastened to a cord that is 70.0 cm long and fixed at the far end. The ball is then released when the cord is horizontal. At the bottom of its path, the ball strikes a 2.50 kg steel block initially at rest on a frictionless surface. The ...

Physics

A 2000kg car begins from rest and rolls 50.0m down a frictionless 10 degrees incline. If there is a horizontal spring at the end of the incline, what spring constant is required to stop the car in a distance of 1.00m?

Physics (please help)

Two cars are drag racing, starting from rest at t = 0, on a straight and level road. Team Alpha's car produces acceleration ax = alpha t^(-1/2) ; while Team Beta's car produces acceleration ax = Beta ; for all t > 0, where alpha and beta are positive constants with suitable...

Physics

A mass is suspended from a vertical spring and the system is allowed to come to rest. When the mass is now pulled down a distance of 76mm and released, the time taken for 25 oscillations is 23s. Find the displacement of the mass from its rest position 0.6s after being released...

physics

a 5.4 kg ball slides along a friction-less, horizontal surface at 6.2 m/s. The ball then encounters a ramp which slopes upward. The ball slides up the ramp, slowing down until it stops and slides back down. what is the kinetic energy of the ball as it slides along the friction...

math urgent please

Petr has a cylindrical block of wood od diameter 6 cm and height 18 cm. He glues the base to a board, but wants to paint the rest of the block. He wants to paint the bottom half of the wood black and the top half white. a) Calculate the surface area of the block that Peter ...

physics

A large 22 cm marble rolls from rest down an incline. Its center has a linear acceleration of 2.5 m/s^2...What is the angle of the incline? It's angular accel is 22.7 rad/s^2 (if that helps and IF I'm correct!).

p3

A block of wood of mass 0.86 kg is initially at rest. A bullet of mass 0.048 kg traveling at 102.3 m/s strikes the block and becomes embedded in it. With what speed do the block of wood and the bullet move just after the collision?

physics

A block of mass m = 0.605 kg is fastened to an unstrained horizontal spring whose spring constant is k = 67.5 N/m. The block is given a displacement of +0.120 m, where the + sign indicates that the displacement is along the +x axis, and then released from rest. (a) What is the...

Physics

A car races at a constant speed of 25 m/s around a circular track with a radius of 150 meters. Consider 1/4 of a lap starting on the south side (heading east) and ending on the east side (heading north). A. How much time does the car take to travel between the two points? B. ...

Physics

A block of wood of mass 0.91 kg is initially at rest. A bullet of mass 0.047 kg traveling at 104.7 m/s strikes the block and becomes embedded in it. With what speed do the block of wood and the bullet move just after the collision?

physics

A 15 kg crate is pulled at constant speed a distance d= 5.7m up a frictionless ramp, to a height h of 2.5 m above its starting point. a) What force F must the cable exert on the crate? b) How much work is done on the crate by the force F?

Physics

A 2 kg block is pulled from rest along a horizontal surface by a rope with a force of 16 N. It experiences a constant frictional force of 3 N. How far has the block moved in the first five seconds?

Physics help

A 5 kg block is pulled from rest along a horizontal surface by a rope with a force of 12 N. It experiences a constant frictional force of 1 N. How far has the block moved in the first six seconds?

physics

The launching mechanism of a toy gun consists of a spring of unknown spring constant, as shown in the figure below. If the spring is compressed a distance of 0.160 m and the gun fired vertically as shown, the gun can launch a 21.0-g projectile from rest to a maximum height of ...

Math

Warren walked 4 kilometers down east and then 5 kilometers down south. Next, he walked another 4 kilometers down east. Then he turned again, and walked 5 kilometers down south. He stopped there. To the nearest kilometer, how far is he from the starting point?

physics

A 2.0-N force acts horizontally on a 10-N block that is initially at rest on a horizontal surface. The coefficient of static friction between the block and the surface is 0.50. What is the magnitude of the frictional force that acts on the block

Physics

A box of mass m2 = 3.1 kg rests on a frictionless horizontal shelf and is attached by strings to boxes of masses m1 = 1.6 kg and m3 = 2.6 kg as shown below. Both pulleys are frictionless and massless. The system is released from rest. After it is released, find the tension in ...

Physics

A brick of mass 1.0 kg slides down an icy roof inclined at 30.0 degrees with respect to the horizontal. (a) If the brick starts from rest, how fast is it moving when it reaches the edge of the roof 2.00 m away? Ignore friction. (b) Redo part (a) if the coefficient of kinetic ...

Physics

A brick of mass 1.0 kg slides down an icy roof inclined at 30.0 degrees with respect to the horizontal. (a) If the brick starts from rest, how fast is it moving when it reaches the edge of the roof 2.00 m away? Ignore friction. (b) Redo part (a) if the coefficient of kinetic ...

Physics

A 2.2 kg otter starts from rest at the top of a muddy incline 93.9 cm long and slides down to the bottom in 0.60 s. What net external force acts on the otter along the incline? Answer in units of N It requires a number answer but it makes no sense to me. How should I set this up?

Physics

A dock worker applies a constant horizontal force of 80.0N to a block of ice on a smooth horizontal floor. The frictional force is negligible. the block starts from rest and moves 11.0 m in the first 5.00s what is the mass of the block of ice?

Physics

A dock worker applies a constant horizontal force of 80.0N to a block of ice on a smooth horizontal floor. The frictional force is negligible. The block starts from rest and moves 10.0m in the first 6.00s. What is the mass of the block of ice?

physics

A 100kg mass starts from rest at the top of an incline plane that makes an angle of 35 degrees with the horizontal, the coefficient of friction of 0.005 between the ramp and the mass. The mass slides down the ramp and then slides to a stop on a surface with coefficient of ...

physics

A 100kg mass starts from rest at the top of an incline plane that makes an angle of 35 degrees with the horizontal, the coefficient of friction of 0.005 between the ramp and the mass. The mass slides down the ramp and then slides to a stop on a surface with coefficient of ...

Physics

A solid ball is released from rest and slides down a ramp that makes an angle of 50 degrees with respect to the horizontal. a) What is the minimum coefficient of static friction between the ramp and the ball for no slipping to occur? b) Would this coefficient of static ...

Physics

A 0.51-kg mass is attached to a horizontal spring with k = 108 N/m. The mass slides across a frictionless surface. The spring is stretched 26 cm from equilibrium, and then the mass is released from rest. (a) Find the mechanical energy of the system. (b) Find the speed of the ...

Physics

A 0.53-kg mass is attached to a horizontal spring with k = 106 N/m. The mass slides across a frictionless surface. The spring is stretched 27 cm from equilibrium, and then the mass is released from rest. (a) Find the mechanical energy of the system. (b) Find the speed of the ...

physics!!

An 8.82g bullet is fired into a 235g block that is initially at rest at the edge of a table of h = 1.05 m height (see the figure below). The bullet remains in the block, and after the impact the block lands d = 2.16 m from the bottom of the table. Determine the initial speed ...

physics

An 8.82g bullet is fired into a 235g block that is initially at rest at the edge of a table of h = 1.05 m height (see the figure below). The bullet remains in the block, and after the impact the block lands d = 2.16 m from the bottom of the table. Determine the initial speed ...

physics

a ball bounces directly upon another ball at rest and it self brought to rest by the impact.if half of initial kinetic energy is destroyed in the collision ,the co-efficient of restitution is?

Physics

Two blocks rest on slopes of unequal angles, connected by a rope passing over a pulley. If the blocks equal masses, will they remain at rest? Why? Neglect friction.

math and science

1500kg motor car was travelling at 36m\s comes to rest over a distance of 40m.calculate. {a}retardation. {b}an average force that brings the car to rest

Physics

A 540 g block is released from rest at height h0 above a vertical spring with spring constant k = 320 N/m and negligible mass. The block sticks to the spring and momentarily stops after compressing the spring 19.8 cm. How much work is done (a) by the block on the spring and (b...

Physics

Mary weighs 459 N and she walks down a flight of stairs to a level 4.7 m below her starting point. What is the change in Mary’s potential energy?

Physics

A box is sliding down an incline tilted at an angle of 2.14° above horizontal. The box is sliding down the incline at a speed of 5.15 m/s. The coefficient of kinetic friction between the box and the incline is 0.387. How far does the box slide down the incline before coming ...

Math

Starting with the formula mg sin A = umg cos A, you can derive tan A = u to find the angle A of an incline and the coefficient of friction u of objects on the incline.

mechnical

1. A small fly wheel fitted to a motor with a moment of inertia of 80 kg m² slows down from 9000 rpm to 5500 rpm in 7.5 seconds. For the fly wheel, calculate: • The rate of deceleration which you can assume to be constant • The braking torque. 2.If the energy used to heat...

Physics 5

Two blocks are free to slide along the frictionless wooden track ABC shown in Figure P9.20. A block of mass m1 = 5.00 kg is released from A. Protruding from its front end is the north pole of a strong magnet, repelling the north pole of an identical magnet embedded in the back...

physics

n outer space, far from other objects, block 1 of mass 40 kg is at position (7,9,0) and block 2 of mass 1000 kg is at position (17,13,0) Since the z components of position are zero, the (vector) gravitational force acting on block 2 due to block 1 will be (-21.359e-9,-8.54198e...

Physics

A block of mass m 1 sits at rest on a table over a hole in the table. From below the table, a bullet of mass m 2 is fired vertically upwards into the block. The bullet imbeds itself in the block. The block and bullet rise to a maximum height h. What is the bullet’s initial ...

Physics

Cn u plz gv explaination 2 d solutions steps by steps briefly? Cz i really dnt understand hw 2 apply d formula wen i revise it nw. [g=10 ms^-2 ] Two particles P & Q, of masses 0.2 kg & m kg respectively, are attached to the ends of a light inextensible string. The particle P ...

Physics

a crate slides down a frictionless ramp with an angle of 29.5 above the horizontal. find the acceleration of the crate.

physics

A box of mass 52 kg starts from rest to slide down a ramp that makes an angle of 16.6 degrees with respect to the horizontal. 4.1 seconds later, it has covered a distance of 3.98 meters. What is the coefficient of kinetic friction?

physics

A box of mass 50 kg starts from rest to slide down a ramp that makes an angle of 10.7 degrees with respect to the horizontal. 6.3 seconds later, it has covered a distance of 3.39 meters. What is the coefficient of kinetic friction?

Algebra II

I've been working on this one and I just can't figure it out. I appreciate all the help: Two miles upstream from his starting point, a canoeist passed a log floating in the river's current. After paddling upstream for one more hour, he paddled back and reached his starting ...

PHYSICS

Blocks A (mass 2.50 kg) and B (mass 10.00 kg) move on a frictionless, horizontal surface. Initially, block B is at rest and block A is moving toward it at 5.00 m/s. The blocks are equipped with ideal spring bumpers. The collision is head-on, so all motion before and after the ...

Physics

A 0.2 kg hockey puck is placed against a spring lying on a horizontal frictionless surface. The spring is compressed 0.2 m, with the hockey puck, and then released. The hockey puck when released is able to go up a frictionless slope with an angle of 30 degrees to a height of 0...

physics

A crate of mass m (=40 kg) is placed at rest on a (frictionless) inclined plane, which has an angle (= 30o) above horizontal. a.) The force of gravity on the crate is: b.) The normal force on the crate is: size: N c.) The net force on the crate is: size: N direction: d.) How ...

physics

A 1.20 block is attached to a spring with spring constant 14.0 . While the block is sitting at rest, a student hits it with a hammer and almost instantaneously gives it a speed of 50.0 . What is the amplitude of the subsequent oscillations?

Physics

A block of mass m is given an initial speed of v along a horizontal frictional track. It travels a distance d and comes to a rest. the coefficient of kinetic friction between the block and the track is ....

Physics 221

An object starts from rest at the origin and moves along the x axis with a constant acceleration of 4m/s^2. Its average velocity as it goes from x=2m to x=8m is: A. 1m/s B. 2m/s C. 3m/s D. 5m/s E. 6m/s An object is released from rest and falls a distance H during the first ...

Physics

A block of mass m1 = 6.25 kg on a frictionless plane inclined at angle θ = 30.7° is connected by a cord over a massless, frictionless pulley to a second block of mass m2 = 2.36 kg hanging vertically (Fig. 5-52). (a) What is the acceleration of the hanging block (choose ...

Algebra 2

tom and jerry were offered similar jobs at competing companies. sony offered tom a starting salary of $ 32,000 per year with a 7% raise at the end of each year.panasonic offered jerry a $35,000 annual starting salary with a 5% raise at the end of each year.

Algebra 2

tom and jerry were offered similar jobs at competing companies. sony offered tom a starting salary of $ 32,000 per year with a 7% raise at the end of each year.panasonic offered jerry a $35,000 annual starting salary with a 5% raise at the end of each year.

Physics

Three blocks rest on a frictionless, horizontal table (see figure below), with m1 = 8 kg and m3 = 20 kg. A horizontal force F = 101 N is applied to block 1, and the acceleration of all three blocks is found to be 3.5 m/s2. Find m2. What is the normal force between blocks 2 and 3?

General Physics

A 2.3 kg block is initially at rest on a horizontal frictionless surface when a horizontal force in the positive direction of an x axis is applied to the block. The force is given by F with arrow(x) = (2.6 − x^2) N, where x is in meters and the initial position of the ...

physics

A simple harmonic oscillator consists of a block of mass 4.40 kg attached to a spring of spring constant 110 N/m. When t = 1.00 s, the position and velocity of the block are x = 0.126 m and v = 4.120 m/s. (a) What is the amplitude of the oscillations? What were the (b) ...

physics

A simple harmonic oscillator consists of a block of mass 4.40 kg attached to a spring of spring constant 110 N/m. When t = 1.00 s, the position and velocity of the block are x = 0.126 m and v = 4.120 m/s. (a) What is the amplitude of the oscillations? What were the (b) ...

physics

A block rests on a horizontal frictionless surface. A string is attached to the block, and is pulled with a force of 60.0 N at an angle θ above the horizontal. After the block is pulled through a distance of 2.00 m, its speed is 2.70 m/s, and 43.0 J of work has been done ...

Physics

A)A block rests on a horizontal frictionless surface. A string is attached to the block, and is pulled with a force of 60.0 N at an angle θ above the horizontal. After the block is pulled through a distance of 2.00 m, its speed is 2.70 m/s, and 43.0 J of work has been ...

Physics

A small block slides along the inside of a hemispherical bowl of radius r = 41.4 cm. When the block is at an angle of θ = 62.3° above the lowest point, it is sliding down with a speed of v = 3.02 m/s and speeding up at a rate of 3.54 m/s2. Find the coefficient of kinetic...

Physics

Use principles of force and kinematics to answer these: a. A 40 kg skater pushes on the 60 kg skater (initially at rest). As they collide, the 40 kg skater pushes on the 60 kg skater, applying a force 100 Newtons for 1.2 seconds. Find the velocity at which each of them ends up...

physics

Use principles of force and kinematics to answer these: a. A 40 kg skater pushes on the 60 kg skater (initially at rest). As they collide, the 40 kg skater pushes on the 60 kg skater, applying a force 100 Newtons for 1.2 seconds. Find the velocity at which each of them ends up...

Physics

A 2.6 N block is at rest on a horizontal surface. A 0.9 N upward force is applied to the block by means of attached vertical string. (a) What is the magnitude of the force of the block on the horizontal surface?

Physics

A 2.6 N block is at rest on a horizontal surface. A 0.9 N upward force is applied to the block by means of attached vertical string. (a) What is the magnitude of the force of the block on the horizontal surface?

Physics

A 15.0 gram bullet strikes and becomes embedded in a 1.24 kg block of wood placed on a horizontal surface just in front of the gun. If the coefficient of kinetic friction between the block and the surface is 0.280, and the impact drives the block a distance of 11.0 m before it...

physics

A 46 g bullet strikes and becomes embedded in a 1.27 kg block of wood placed on a horizontal surface just in front of the gun. If the coefficient of kinetic friction between the block and the surface is 0.28, and the impact drives the block a distance of 16.0 m before it comes...

Physics

A block of mass M1positioned on a slope (at an angle  ) is connected by means of an inextensible wire, of negligible mass, to another mass, m2, suspended from a frictionless pulley. The coefficients of static and dynamic friction between the slope and M1are 0.3 and 0.2...

Physics

Please help!! I know how to work the problem to find velocities, but this one has me stumped! A 2.0kg block slides along a frictionless surface at 1.0m/s . A second block, sliding at a faster 4.4m/s , collides with the first from behind and sticks to it. The final velocity of ...

Physics

Hillary kicks a ball so that it is in the air for 3.2 s. The ball lands down field 56 m from its starting point. a. Determine the x and y velocities of the ball.

Math

Kris is starting a delivery business in Ottawa called Kris' Speedy Express. He charges $5, plus $1.50/kg to deliver a package throughout all of Ottawa including all outside communities. His competition, John's Same Day Deliveries charges $6 per delivery plus $1.00/kg. When is ...

Algebra

1) The following graphs shows the growth of the median home value in a particular region of the united states starting in 1996. The graphs states in 1996 and shows the trend through the year 2000; therefore x=0 represents the year 1996 and x=4 is 2000. x-axis (horizontal)= ...

physics

in a shuffleboard game, the puck slides a total of 12 m before coming to rest. if the coefficient of friction is 0.21, what was the initial speed?

physics

A 4.3kg object moves across a floor with a velocity of + 8.2 m/s and slides to rest in 5.8 s. The net force producing this acceleration is:

Chemistry

Chromium is electroplated from an aqueous solution containing H2SO4 and H2CrO4. What current is required to deposit chromium at rate of 1.25g/min. 1.25g x 1mol/51.9961 = .0240mol Now I just don't know how to figure out the number of electrons to do the rest of the steps What ...

physics

A solid ball and a hollow ball, each with a mass of 6 kg and radius of 0.1 m, start from rest and roll down a ramp of length 3 m at an incline of 31°. An ice cube of the same mass slides without friction down the same ramp. What is the speed of the ice cube at the bottom of ...

math urgent help!!!

I need serious help with this problem. it is making me pukk my hair out!!! Yolanda and Yoko ran in a 100-yd dash. When Yolanda crossed the finish line, Yoko was ten yd behind her. The girls then repeated the race, with Yolanda starting 10 yd behing the starting line. If each ...

physics

I have a question based off of the response to the question I posted below. A dragster and driver together have mass 918.8 kg. The dragster,starting from rest,attains a speed of 25.8 m/s in .53s . Find the average acceleration of the dragsters during this time interval. Answer...

physics

A block of mass M connected to an untstretched horizontal spring of spring constant k is hit by a bullet of mass m which has a velocity V just before the collision. The bullet stays in the block. The coefficient of friction between the block and surface is b. Explain how do ...

physics

a roller coaster car moves 200 ft horizontally and then rises 135 ft at an angle of 30 degrees above the horizontal. It then travels 135 ft at an angle of 40 degrees downward. what is its displacement from its starting point? im not really sure what to do, I've drawn a graph ...

physics

two people push in opposite directions on a block that sits atop a frictionless surface. The soles of their shoes are glued to the surface. if the block originally at rest moves to the right a distance of d. Describe qualitatively how much work is done by the person on the ...

physics

A bullet A of mass 2kg travelling at 200m/s emblezes itself in a wooden block of mass 9kg moving in the opposite direction. At 20m/s. Calculate the velocity of the block when the bullet comes to rest inside the block. And what principle is used in the direction

physics

a dockworker applies a constant horizontal force of 80 N to a block of ice on a smooth horizontal floor. The friction force is negligible the block start from rest and move 11m in 5 sec what is it mass & if worker stop pushing at 5sec .How for does the block move in 5 ec

physics

Mary weighs 519 N and she walks down a flight of stairs to a level 3.4 m below her starting point. What is the change in Mary’s potential energy? Answer in units of J.

physics

In the figure, a 2.4 kg box of running shoes slides on a horizontal frictionless table and collides with a 1.4 kg box of ballet slippers initially at rest on the edge of the table, at height h = 0.75 m. The speed of the 2.4 kg box is 4.6 m/s just before the collision. If the ...

math

Michael and mateo begin running around a circular track from the starting point at the same time. it takes Michael 48 seconds one lap around the track. it takes mateo 60 seconds to complete one lap around the track how many minutes does it take before the two boys will meet at...

Physics

A lumberjack (mass = 104 kg) is standing at rest on one end of a floating log (mass = 234 kg) that is also at rest. The lumberjack runs to the other end of the log, attaining a velocity of +3.18 m/s relative to the shore, and then hops onto an identical floating log that is ...

Physics

I was wondering if my answers are correct. Thanks in advance. 1. A boy pushes down on a car rolling horizontally down the road. The boy pushes down vertically with 10N of force as the car rolls 3.0m horizontally. What work is done? my answer: 30 N•m (or would it be -30N•m...

physics

A bullet of mass 12.4 g is fired into an initially stationary block and comes to rest in the block. The block, of mass 1.02 kg, is subject to no horizontal external forces during the collision with the bullet. After the collision, the block is observed to move at a speed of 4....

physics

A bullet of mass 11.2 g is fired into an initially stationary block and comes to rest in the block. The block, of mass 1.01 kg, is subject to no horizontal external forces during the collision with the bullet. After the collision, the block is observed to move at a speed of 4....

Physics

Sam pushes crates starting form rest across the floor of his classroom for 3 s with a net force as shown above. For each crate, rank the following from greatest to least: A 100N/30kg, B 75N/20kg C 50N/10kg 1. Impulse delivered 2. Change in momentum 3. Final speed 4. Momentum ...

College Physics

A 6.76 kg block is attached to a spring with spring constant 36.9 N/m. While the block is sitting at rest, a student hits it with a hammer and almost instantaneously gives it a speed of 57 cm/s. What are The amplitude of the subsequent oscillations?

physics

A 506 g block is released from rest at height h0 above a vertical spring with spring constant k = 500 N/m and negligible mass. The block sticks to the spring and momentarily stops after compressing the spring 18.4 cm. How much work is done (a) by the block on the spring and (b...

Dynamics

The man slides the 100-kg crate across force of 200 N. If the crate was initially at rest, how far will the crate move before its speed is 1 m/s? The coefficient of kinetic friction between the crate and the floor is 0.18. The man is pulling the crate at a 20 degree angle.

Pages

  1. 1
  2. 2
  3. 3
  4. 4
  5. 5
  6. 6
  7. 7
  8. 8
  9. 9
  10. 10
  11. 11
  12. 12
  13. 13
  14. 14
  15. 15
  16. 16
  17. 17
  18. 18
  19. 19
  20. 20
  21. 21
  22. 22
  23. 23
  24. 24
  25. 25
  26. 26
  27. 27
  28. 28
  29. 29
  30. 30
  31. 31
  32. 32
  33. 33
  34. 34
  35. 35
  36. 36
  37. 37
  38. 38
  39. 39
  40. 40
  41. 41
  42. 42
  43. 43
  44. 44
  45. 45
  46. 46
  47. 47
  48. 48
  49. 49
  50. 50
  51. 51
  52. 52
  53. 53
  54. 54
  55. 55
  56. 56
  57. 57
  58. 58
  59. 59
  60. 60
  61. 61
  62. 62
  63. 63
  64. 64
  65. 65
  66. 66
  67. 67
  68. 68
  69. 69
  70. 70
  71. 71
  72. 72
  73. 73
  74. 74
  75. 75
  76. 76
  77. 77
  78. 78
  79. 79
  80. 80
  81. 81
  82. 82
  83. 83
  84. 84
  85. 85
  86. 86
  87. 87
  88. 88
  89. 89
  90. 90
  91. 91
  92. 92
  93. 93
  94. 94
  95. 95
  96. 96
  97. 97
  98. 98
  99. 99
  100. 100