1. College Physics

    A 4.30 kg block starts from rest and slides down a frictionless incline, dropping a vertical distance of 2.60 m, before compressing a spring of force constant 2.20 104 N/m. Find the maximum compression of the spring.

    asked by Allen on October 14, 2011
  2. Physics

    A 2-kg small block is dropped from rest. The spring has a constant k = 500N/m. If the entire track is frictionless except for the 1m between points B and C, where the coefficient of kinetic friction is 0.15, find he maximum compression of the spring.

    asked by Adam on December 14, 2015
  3. College Physics

    A 4.30 kg block starts from rest and slides down a frictionless incline, dropping a vertical distance of 2.60 m, before compressing a spring of force constant 2.20 104 N/m. Find the maximum compression of the spring.

    asked by Allen on October 14, 2011
  4. physics

    A ballistic pendulum consists of a 1.25-kg block of wood that is hanging from the ceiling in such a way that when a bullet enters it, the block’s change in height can be recorded as it swings. A bullet having a mass of 6.25-grams and unknown velocity

    asked by physics8ater on January 9, 2018
  5. Physics

    A 0.40kg block is held against a compressed spring of stiffness 68.2N/m and compression 0.64m parallel to a 24 degree incline that is 1.27m long.  The coefficient of kinetic friction between the block and the incline is 0.34.  The external force holding

    asked by Alphonse on October 16, 2012
  6. Physics

    A cubic meter of some material has a mass of 6400 kg. The block of material is lowered into a lake by a strong cable until the block is completely submerged. Draw a free-body diagram for the block. (Do this on paper. Your instructor may ask you to turn in

    asked by Tyler on March 31, 2014
  7. Physics

    When a baseball is tossed directly upward, what is the slope of a plot of its acceleration versus time during the upward flight? plot has constant positive slope plot has constant negative slope plot has zero slope I think it is zero slope

    asked by Liz on September 25, 2012
  8. physics

    A gun is fired vertically into a 1.55 kg block of wood at rest directly above it. If the bullet has a mass of 21.0 g and a speed of 190 m/s, how high will the block rise into the air after the bullet becomes embedded in it? i don't even know where to

    asked by Haley on November 1, 2006
  9. Physics

    HW9_1: AXIAL AND TRANSVERSE STRAINS - THE POISSON'S RATIO When no loads are applied, the isotropic elastic block depicted below is a cube of side L0=200 mm. When the distributed load (surface traction) q=200 MPa is applied as shown below, the side length

    asked by MAN on July 18, 2013
  10. Physics

    In the drawing, the weight of the block on th e table is 380 N and that of the hanging block is 175 N. Ignore all frictional effects, and assuming the pulley to be massless. What is the acceleration of the two block?

    asked by Cameron on March 13, 2015
  11. physics

    In the drawing, the weight of the block on the table is 380 N and that of the hanging block is 175 N. Ignore all frictional effects, and assuming the pulley to be massless. What is the acceleration of the two block?

    asked by rex on July 10, 2013
  12. Physics

    Okay so i'm having a little trouble explaining the answer to a phys lab question concerning rolling friction: Assuming that f = µN , show that the coefficient of (rolling) friction for the car moving down the inclined plane with a constant speed is given

    asked by dallas on March 20, 2013
  13. Physics

    Okay so i'm having a little trouble explaining the answer to a phys lab question concerning rolling friction: Assuming that f = µN , show that the coefficient of (rolling) friction for the car moving down the inclined plane with a constant speed is given

    asked by dallas on March 19, 2013
  14. Physics

    Okay so i'm having a little trouble explaining the answer to a phys lab question concerning rolling friction: Assuming that f = µN , show that the coefficient of (rolling) friction for the car moving down the inclined plane with a constant speed is given

    asked by dallas on March 20, 2013
  15. Physics

    A 200 N box is pushed up an incline 10 m long and 3 m high. The average force (parallel to the plane) is 120 N. a.) How much work is done? b.) What is the change in the PE of the box? c.) What is the change in KE of the box? d.) What is the frictional

    asked by Ana on October 27, 2015
  16. Physics

    A 200 N box is pushed up an incline 10 m long and 3 m high. The average force (parallel to the plane) is 120 N. a.) How much work is done? b.) What is the change in the PE of the box? c.) What is the change in KE of the box? d.) What is the frictional

    asked by Ana on October 28, 2015
  17. physics

    A 0.6 kg block of ice is sliding by you on a very slippery floor at 2.5 m/s. As it goes by, you give it a kick perpendicular to its path. Your foot is in contact with the ice block for 0.0035 seconds. The block eventually slides at an angle of 24 degrees

    asked by sc on June 24, 2014
  18. AP Physics C

    when a block is pulled out to x=+4.0cm, we must apply a force amgnitude 360N to hold it there. we pull the block to x=11cm and then realease it. how much work does the spring do on the block as the block moves from xi=+5.0cm to a)x=+3.0cm, b)x=-3.0cm,

    asked by Olivia on October 4, 2012
  19. physics

    block a in figure 1 has a mass of 10kg, and block b has a mass of 30 kg. the coefficient of friction between b and the horizontal surface is 0.3. a) what is the mass of block c if block b is moving with an acceleration of 3m/s/s b) what is the tension in

    asked by flay on January 9, 2013
  20. math

    A small block of mass 0.8kg is placed at the top of a 4m plane, when it is released, it take 3.5 seconds to slide to the bottom. Determine the coefficient of friction, stating assumptions made.

    asked by Anonymous on December 4, 2012
  21. English

    Do you generally say: 1) We cooked food on the plane or in the plane or from the plane. (In this sentence I just want to say that we cooked our meals ourselves when we were travelling on the plane) Thank you.

    asked by Henry2 on December 10, 2011
  22. math

    Given the plane 2x-3y+7z=4, a) Find the equation for the line perpendicular to the plane that intersects the plane at the point P=(6,5,1). b) How far is it from the point (4,-2,3) to the plane?

    asked by sophie on May 13, 2011
  23. Physics

    A 100 lb block of ice slides down an incline 5.0 ft long and 3.0 ft high. A worker pushes up on the ice parallel to the incline so that it slides down at constant speed. The coefficient of friction between the ice and the incline is 0.10. Find (a) the

    asked by Emily on March 12, 2015
  24. Physics

    A 100 lb block of ice slides down an incline 5.0 ft long and 3.0 ft high. A worker pushes up on the ice parallel to the incline so that it slides down at constant speed. The coefficient of friction between the ice and the incline is 0.10. Find (a) the

    asked by Emily on March 11, 2015
  25. Physics

    A 100 lb block of ice slides down an incline 5.0 ft long and 3.0 ft high. A worker pushes up on the ice parallel to the incline so that it slides down at constant speed. The coefficient of friction between the ice and the incline is 0.10. Find (a) the

    asked by Emily on March 12, 2015
  26. Physics

    A 40 gram bullet is fired horizontally from a gun with a momentum of 2.8 (kg*m/s) and embeds itself into a 300 gram block of wood initially at rest on a wooden horizontal surface. After this collision the wood block slides 15 meters before falling off a

    asked by Cass on January 16, 2013
  27. physics

    A 40 gram bullet is fired horizontally from a gun with a momentum of 2.8 (kg*m/s) and embeds itself into a 300 gram block of wood initially at rest on a wooden horizontal surface. After this collision the wood block slides 15 meters before falling off a

    asked by Cass on January 16, 2013
  28. Math

    10x+5y=500 What is the slope? Do I have to change it to slope intercept form first? Or is there a way to find slope with keeping that equation

    asked by Anonymous on December 6, 2014
  29. 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,

    asked by Tiffany on February 7, 2013
  30. Algebra

    State the slope of the lines: a, b, c: a) Y + 8 = x Slope is: b) Y - 8 = 0 Slope is: c) x – 8 = 0 Slope is: PLEASE HELP ASAP

    asked by Tariq Glaster on February 11, 2012
  31. Pre Cal

    a ski slope on a mountian has an angle of elevation of 25.2 degrees. the vertical height of the slope is 1808 feet. how long is the slope?

    asked by Kindell on February 19, 2008
  32. precalculus

    a ski slope on a mountain has an angle of elevation of 25.2 degrees. the vertical height of the slope is 1808 feet. how long is the slope?

    asked by Tati on November 19, 2008
  33. math

    find the equation (in slope intercept form) of the line with the given slope that passes through the point with the given coordinates slope:-5/8, ordered pair (0,1)

    asked by jerson on February 23, 2010
  34. Pre Cal

    a ski slope on a mountian has an angle of elevation of 25.2 degrees. the vertical height of the slope is 1808 feet. how long is the slope?

    asked by Kindell on February 19, 2008
  35. math

    the slope of a line tells me what? what is the meaning of a slope? Please go to the followig site: http://www.purplemath.com/modules/slope.htm

    asked by jasmine20 on December 27, 2006
  36. physics

    A constant force of 900 N pushes a 100 kg mass up the inclined plane shown above at a uniform speed of 5 m/s. ( hight= 1m) The power developed by the 900 N force is most nearly: 400 W 800 W 900 W 1000 W 4500 W

    asked by ashley on February 5, 2014
  37. Mechanics

    What is the decrease in elevation of a 4-kg body whose kinetic energy increases from 20 J to 100 J as a result of moving downward along an inclined plane? set Potential energy change equal to KE change mgh= change in KE thanks a lot!

    asked by Janine on February 4, 2007
  38. physics

    A 0.5-kg block slides along a horizontal frictionless surface at 2m/s. It is brought to rest by compressing a very long spring of spring constant 800N/m. The maximum spring compression is:

    asked by charmen angcud on April 11, 2017
  39. Physics

    A block rests on a frictionless surface. Find its instantaneous acceleration when the spring on the left is compressed 4.48 cm while the spring on the right is stretched 10.3 cm. Each spring has a force constant of 1.05 103 N/m.

    asked by Dunky on October 14, 2012
  40. physics

    a block of mass 0.1kg is attached to spring and placed on a horizontal frictionless table .the spring is stretched 20cm when a force of 5n is applied.calculate the spring constant

    asked by ali on April 22, 2017
  41. physics

    A block of wood with mass M = 0.440kg hangs at rest (Vi=0) from the ceiling by a string and a m = 0.0720kg elastic ball is thrown straight upward striking the bottom of the block with a speed of vi=5.74m/s. The ball rebounds from the block in a perfectly

    asked by Avinash on October 30, 2014
  42. calculus

    find the point on the graph of the given function at which the slope of the tangent line is the given slope x^3+9x^2+33x+15 slope= 6

    asked by Anonymous on June 20, 2012
  43. Ohms Law

    You plot a graph of voltage versus current. What is the slope? What are the units for the slope? How do you get the unit for the slope?

    asked by Avril on February 12, 2016
  44. Physics

    A 0.40kg block is held against a compressed spring of stiffness 68.2N/m and compression 0.64m parallel to a 24 degree incline that is 1.27m long. The coefficient of kinetic friction between the block and the incline is 0.34. The external force holding the

    asked by Alphonse on October 19, 2012
  45. 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

    asked by bill on December 16, 2014
  46. physics

    A 3.1 kg block has an initial velocity of 15 m/s as it moves 12m on a rough horizontal surface with coefficient of kinetic friction of .23.. ~ then slides up a frictionless incline whose angle is 24 degrees. A (8 pts) Sketch energy pie charts at points a,

    asked by Anton on November 18, 2010
  47. Physics

    A block is pushed 2 m along a fixed horizontal surface by a horizontal force of 10 N. The opposing force of friction is 0.4 N (a)How much work is done by the 10 N force? (b)what is the work

    asked by Queenesther on November 16, 2018
  48. Physics

    A 2.92 kg block starts from rest at the top of a 30° incline and accelerates uniformly down the incline, moving 1.93 m in 1.60 s. (a) Find the magnitude of the acceleration of the block. __ m/s2 (b) Find the coefficient of kinetic friction between the

    asked by Cheyenne on March 2, 2016
  49. physics

    Two blocks are connected by a light string that passes over a massless, frictionless pulley as shown. The coefficient of friction between the 4kg block and the surface is 0.4. Find the acceleration of the system and the tension in the string.

    asked by michelle on April 17, 2014
  50. physics

    Two blocks, each with a mass m = 0.400 kg, can slide without friction on a horizontal surface. Initially, block 1 is in motion with a speed $v$ = 1.20 m/s; block 2 is at rest. When block 1 collides with block 2, a spring bumper on block 1 is compressed.

    asked by Ted on March 5, 2014
  51. Physics

    Two blocks, each with a mass = 0.168 kg, can slide without friction on a horizontal surface. Initially, block 1 is in motion with a speed = 1.28 m/s; block 2 is at rest. When block 1 collides with block 2, a spring bumper on block 1 is compressed. Maximum

    asked by Lilly on March 5, 2012
  52. physics

    The coefficient of static friction is 0.604 between two blocks. The coefficient of kinetic friction between the lower block and the floor is 0.115. Force F causes both blocks to cross a distance of 3.93 m, starting from rest. What is the least amount of

    asked by Anonymous on September 27, 2009
  53. conceptual physics

    you are in a plane traveling due North at 325 km/hr. The plane encounters a headwind (South) wind of 50 km/hr. What is the resultant velocity of the plane?

    asked by harper on September 24, 2014
  54. physics (Urgent)!!!!!!!!!!!!!!!!!!!!!!

    A small block of mass m=1 kg glides down (without friction) a circular track of radius R=2 m, starting from rest at height R. At the bottom of the track it hits a massless relaxed spring with spring constant k= 9 N/m, which starts to be compressed as the

    asked by Anonimus on January 12, 2014
  55. physic

    A block with mass m1 hangs from a rope that is extended over an ideal pulley and attached to a second block with mass m2 that sits on a ledge. The second block is also connected to a third block with mass m3 by a second rope that hangs over a second ideal

    asked by joy on February 7, 2018
  56. Physics

    A lower block is being pulled to the right across a wooden table and it is 5kg and the block on top of it weighs 2 Kg. The friction between the table and the lower block is reduces the total acceleration to be 1.5 m/s2. Friction keeps the upper block

    asked by Paige on February 21, 2011
  57. Slopes

    Given y = 2x – 4, choose the statement that accurately describes this line. The slope is 2 and the y intercept is 4. The slope is 2 and the y intercept is -4. The slope is 4 and the y intercept is 2. The slope is -4 and they y intercept is 2. The

    asked by Margie on October 14, 2006
  58. Phys

    Three blocks on a frictionless horizontal surface are in contact with each other. A force F is applied to block A (mass mA). (a) Draw a free body diagram for each block. I've drawn it and it looks like this, but I'm not sure if I'm including everything.

    asked by anonymous on February 7, 2013
  59. physics

    A bullet with mass m = 5.21 g is moving horizontally with a speed v=367 m/s when it strikes a block of hardened steel with mass M = 14.8 kg(initially at rest). The bullet bounces o the block in a perfectly elastic collision. (a) What is the speed (m/s) of

    asked by Sarah on December 15, 2011
  60. Physics

    A 225 kg box is loaded onto a truck by pulling it up an inclined plane (10 m hypotenuse difference) by a force that is parallel to the incline (T = 315 N). If the bed of the truck is 1.2 m above the ground what is the efficiency of this simple machine in

    asked by Matt on April 8, 2011
  61. physics

    A house is built on the top of a hill with a nearby slope at angle 45° slope (Figure 6-55). An engineering study indicates that the slope angle should be reduced because the top layers of soil along the slope might slip past the lower layers. If the

    asked by johnny on December 13, 2008
  62. PHYSICS

    A house is built on the top of a hill with a nearby slope at angle 45° slope (Figure 6-55). An engineering study indicates that the slope angle should be reduced because the top layers of soil along the slope might slip past the lower layers. If the

    asked by john on December 14, 2008
  63. physics, please reply.

    block 1 of mass 1 slides from rest along a frictionless ramp from height h=2.50m and then collides with stationary block 2, which has mass2=2.00 m1. After the collision, block 2 slides into a region where the coefficient of kinetic friction is 0.500 and

    asked by Krystal on November 10, 2006
  64. physics

    Two blocks are connected with a light string that is hung over a pulley, as shown in the diagram to the right. One block has twice the mass of the other, and the pulley has the same mass as the heavier block. The pulley consists of a solid, uniform

    asked by ChrismB on May 17, 2016
  65. physics

    Two blocks are connected with a light string that is hung over a pulley, as shown in the diagram to the right. One block has twice the mass of the other, and the pulley has the same mass as the heavier block. The pulley consists of a solid, uniform

    asked by ChrismB on May 16, 2016
  66. Physics

    A 2.95 kg block on a horizontal floor is attached to a horizontal spring that is initially compressed 0.0330 m. The spring has force constant 900 N/m. The coefficient of kinetic friction between the floor and the block is 0.42 . The block and spring are

    asked by Kelsey on March 13, 2012
  67. physics

    A mass of 20 kg on a plane inclined at 40 degrees. A string attached to that mass goes up the plane, passed over a pullley and is attached to mass of 30 kg that hangs verticalyy. a) find the acceleration and it's dirction b) the tension in the string.

    asked by Benji on November 21, 2006
  68. Physics

    A little red wagon with mass 7.0kg moves in a straight line on a frictionless horizontal surface. It has an initial speed of4.00 m/s and then is pushed 3.0m in the direction of the initial velocity by a force with a magnitude of 10.0 N a.) Use the

    asked by Frankie on October 15, 2012
  69. Physics

    A little red wagon with mass 7.0kg moves in a straight line on a frictionless horizontal surface. It has an initial speed of4.00 m/s and then is pushed 3.0m in the direction of the initial velocity by a force with a magnitude of 10.0 N a.) Use the

    asked by Frankie on October 15, 2012
  70. Physics

    A horizontal force, F1 = 85 N, and a force, F2 = 18.4 N acting at an angle of θ to the horizontal, are applied to a block of mass m = 2.1 kg. The coefficient of kinetic friction between the block and the surface is μk = 0.2. The block is moving to the

    asked by Harry on October 9, 2014
  71. physics

    A light spring with force constant 3.85 N/m is compressed by 5.00 cm as it is held between a 0.250 kg block on the left and a 0.500 kg block on the right, both resting on a horizontal surface. The spring exerts a force on each block, tending to push them

    asked by Jessi on February 24, 2009
  72. algebra 1

    how do you even start to begin how to slope in standard form and slope intercept and point slope cuz i have a test tomrrow on it Although it might be too late for your test, I searched Google under the key words "slope" to get these possible sources:

    asked by kendra on March 5, 2007
  73. Physics

    A plane is flying west at 214 km/h. The wind is blowing south at 108km/h. a what is the ground speed of the plane b In what direction does the plane travel

    asked by Shekinah on February 1, 2012
  74. physics

    Determine what the theoretical slope of the graph is (for example the slope of a distance vs. time graph is velocity); be sure to show all work. So, I had to make a weight vs. mass graph which i did, and i also found its numeric value for the slope. I

    asked by Anonymous on October 20, 2011
  75. Physics (Mechanics)

    A 10-kg crate on a ramp is inclined at 30 degrees from the horizontal and released. The coefficients of friction between them are .48 (coefficient of static friction) and .28 (coefficient of kinetic friction). a) Does the block slide? b) What then is the

    asked by Anonymous on September 30, 2012
  76. MAT LAB

    HW9_1: AXIAL AND TRANSVERSE STRAINS - THE POISSON'S RATIO When no loads are applied, the isotropic elastic block depicted below is a cube of side L0=200 mm. When the distributed load (surface traction) q=200 MPa is applied as shown below, the side length

    asked by AMK on July 19, 2013
  77. Physics

    In the system shown in the figure, suppose the block has a mass of 2.7kg , the spring has a force constant of 500N/m , and the coefficient of kinetic friction between the block and the floor is 0.18. Find the work done on the block by the spring and by

    asked by Hannah on October 9, 2014
  78. physics

    A girl starting from rest at the top of a 40 m jump, inclined at 30º above the horizontal, has 0.15 coefficient of friction. The jump ends with a frictionless, horizontal part. How far does she land away from the jump, which is 50 m above the horizontal

    asked by hum on October 21, 2011
  79. physics

    A girl starting from rest at the top of a 40 m jump, inclined at 30º above the horizontal, has 0.15 coefficient of friction. The jump ends with a frictionless, horizontal part. How far does she land away from the jump, which is 50 m above the horizontal

    asked by ho on October 21, 2011
  80. physics

    A pendulum with a bob of mass 30g is lifted to height of 5.00cm above its lowest point and allowed to fall so that collides elastically with a block of mass 20g that rests on a smooth horizontal floor. The block stops 5 seconds after the collision.

    asked by Eryy on July 28, 2013
  81. physics

    Block B weighs 708 N. The coefficient of static friction between block and table is 0.32. Assume that the cord between B and the knot is horizontal. Find the maximum weight of block A for which the system will be stationary.

    asked by annamaria on September 28, 2010
  82. physics

    A 1.5-kg block rests on top of a 7.5kg block. The cord and pulley have negligible mass, and there is no significant friction anywhere. Part a) What force F must be applied to the bottom block so the top block accelerates to the right at 2.9 m/s^2 ? Part b)

    asked by ericka on May 8, 2012
  83. Physics

    A block of mass m is dropped onto a relaxed spring constant k. The block becomes attached to the spring and compresses the spring a distance d before momentarily stopping. (Use any variable or symbol stated above along with the following as necessary: g

    asked by Rachel on February 25, 2013
  84. physics

    a bullet of mass 0.05 kg strikes a wooden block of mass 5 kg and becomes embedded within the block. The block and bullet then fly off at 10 m/s after the collision. What was the original velocity of the bullet if the block was initially at rest?

    asked by kaylee on November 18, 2016
  85. math

    Write an equation of the line with the given slope and containing given points. Slope intercept form Slope 4 through (-3, 3)

    asked by Bridget on November 4, 2013
  86. Math 116AA

    find the slope if it exists of the line containing the pair of points (5,1)and (6,-2) the slope is M= the slope is undefined Help!!!!!

    asked by Katie A on September 29, 2011
  87. math

    slope = -2, passing through (0, -3) equations for each line point-slope, slope-intercept form

    asked by Holli on April 23, 2013
  88. algebra

    Find the slope of the line 8x+y=11 Put it in point slope form: y= -8x + 11 slope: -8 y intercept: 11 Thank you

    asked by jacque on March 3, 2007
  89. algebra2

    write the slope-intercept form of the equation of the line through the given point with the given slope. through:(-1,-2), slope=6

    asked by Gwen on August 20, 2015
  90. Algebra

    Is it possible to find the slope of a line if the equation has two ys? Find slope of the line whose equation is 8y = 7 - 2y Solve for y and you'll have a horizontal line. Combine the y terms. 8y+2y=7 10y=7 y=7/10 The general equation for a straight line is

    asked by Samantha on November 3, 2006
  91. Physics

    A 115.0 kg box is pushed by a horizontal force F at constant speed up a frictionless ramp which makes an angle of 46.0 deg with the horizontal. Find the magnitude of the applied force F. what is the magnitude of the normal force between the ramp and the

    asked by Yarielis on March 20, 2014
  92. Physics

    A ramp, a pulley, and two boxes. Box A, of mass 10.0 kg, rests on a surface inclined at 37° to the horizontal. It is connected by a lightweight cord, which passes over a massless and frictionless pulley, to a second box B, which hangs freely as shown. If

    asked by Liz on April 10, 2011
  93. PHYSICS HELP MEEE SO CONFUSED

    Liam fires a bullet into a block suspended by two cables, embedding the bullet in the block. The mass of the bullet is 5g and the mass of the block is 1g. 1) If the maximum height of the block is ,h, is 35 cm, how fast was the bullet originally moving?

    asked by Confused on December 5, 2011
  94. AP Physics

    Liam fires a bullet into a block suspended by two cables, embedding the bullet in the block. The mass of the bullet is 5g and the mass of the block is 1g. 1) If the maximum height of the block is ,h, is 35 cm, how fast was the bullet originally moving?

    asked by Hester on December 5, 2011
  95. physics

    A block of mass m1 = 4.50 kg sits on top of a second block of mass m2 = 13.9 kg, which in turn is on a horizontal table. The coefficients of friction between the two blocks are µs = 0.300 and µk = 0.100. The coefficients of friction between the lower

    asked by micole on May 21, 2007
  96. physics

    suppose that a horizontal force of 0.7 n is required to pull a 5.0 kg block across the table at constant speed. what is the initial speed of a 20 g bullet, fired horizontally into the block, if the bullet imbeds in the initially stationary block and causes

    asked by ashley on December 7, 2010
  97. Physics

    A force F acts to the right on a 4.81 kg block. A 2.53 kg block is stacked on top of the 4.81 kg block and can slide on it with a coefficient of friction of 0.2 between the blocks. The table has a coefficient of friction of 0.23. The acceleration of

    asked by Ahmed on September 29, 2014
  98. spring prob. help on part c

    a 2 kg frictionless block is attached to an ideal spring with force constant 300N/m. At t=0, the spring is neither stretched or compressed and the block is moving in the negative direction at 12 m/s. find (a) amplitude, (B)phase angle (c) write an equation

    asked by Anonymous on June 27, 2009
  99. physics

    Consider a ball that picks up a speed of 3 m/s each second when its rolls from rest down an inclined plane. If the ball takes 4 seconds to reach the bottom, its speed at the bottom will be?

    asked by Alli on June 23, 2011
  100. physics

    A 0.55 kg block of ice is sliding by you on a very slippery floor at 4 m/s. As it goes by, you give it a kick perpendicular to its path. Your foot is in contact with the ice block for 0.0025 seconds. The block eventually slides at an angle of 23 degrees

    asked by Sandy on January 23, 2014