dynamics

Popular questions
  1. Dynamics

    A linear spring of stiffness k is designed to stop the 20-Mg railroad car traveling at 8 km/h within 400mm after impact. Find the smallest value of k that will produce the desired result.

    asked by Ivan on March 17, 2014
  2. dynamics

    A ball is thrown so that the motion is defined by the equations x= 5t and y= 2+6t-4.9t^2, where x and y are expressed in meters and t is expressed in seconds. Determine (a) the velocity at t=1s, (b) the horizontal distance the ball travels before hitting

    asked by shiella on March 11, 2018
  3. DYNAMICS

    A car has an initial speed of 25m/s and a constant deceleration of 3m/s^2. Determine thewvelocity of the car when t=4s. What is the displacement of the car during the 4-s time interval? How much time is needed to stop the car?

    asked by HELP on February 17, 2013
  4. Dynamics

    A daredevil drives a motorcycle around a circular vertical wall 100 ft in diameter. The coefficient of friction between tires and the wall is 0.60. At what angle will the motorcycle be inclined to the horizontal? What is the effect of traveling at a

    asked by 16 on July 14, 2018
  5. dynamics

    A train which is moving with uniform acceleration is observed to take 20 and 30 seconds to travel succesive 0.4km.how much far then will it travel before coming to rest, if the acceleration remains constant

    asked by ravi on January 18, 2017
  6. dynamics

    a motorcycle traffic police starts from rest at point A two seconds after a car speeding at the constant rate of 120 km/h passes point A (where speed limit is 100 km/h only) if the policeman accelerates at the rate of 6 m/s^2 until he reaches the speed of

    asked by mahdi on April 1, 2013
  7. Dynamics

    A particle moving along a straight line is subjected to a deceleration a=-2v^3 m/s2. If it has a velocity v=8 m/s and a position x=10 m when t=0, determine its velocity and position when t=4s. I tried to integrate the deceleration equation, but it didn't

    asked by Dynamics Problems on July 11, 2014
  8. dynamics

    the normal acceleration of a particle on the rim of a pulley 10 ft in diameter is constant @ 8000 ft/s^2. determine the speed of the pulley in rpm

    asked by fatz on February 25, 2013
  9. dynamics

    If end A of the rope moves downward with a speed if 5 m/s, determine the speed of cylinder b

    asked by dave on February 3, 2012
  10. Dynamics

    Fundamental Problem 15.12 The cannon and support without a projectile have a mass of 250 kg. If a 20 kg projectile is fired from the cannon with a velocity of 400 m/s , measured relative to the cannon, determine the speed of the projectile as it leaves the

    asked by Kate on September 21, 2011
  11. Dynamics

    A boy of mass m takes a running start and jumps on his sled at position 1. He leaves the ground at position 2 and lands in deep snow at a distance of b = 25 ft. How fast was he going at position 1?

    asked by Demar on February 27, 2011
  12. dynamics

    a boy weighs 80 lb and is hanging uniformly from a bar, how do you find the force in each of his arms at t=2s if the bar is moving upward with a.)constant velocity of 3ft/s, b.) a speed of (4t^2) ft/s?

    asked by sarah on November 9, 2008
  13. Dynamics

    A car is traveling at a speed of 80 km/h when the brakes are suddenly applied, causing a constant deceleration of 3.24 m/s2. Determine the time required to stop the car and the distance traveled before stopping

    asked by simon on November 16, 2016
  14. Dynamics

    A 5.1 oz baseball is hit from 2 ft above the ground. It has an initial velocity of 165 ft/s at an angle 40 degrees above horizontal. Find the Kinetic Energy of the ball at its maximum height. Work: At max height, the vertical velocity is zero. the

    asked by Jimmy on February 23, 2016
  15. Dynamics

    A car travels around a horizontal circular track of radius 45m.If the car increases its speed at a constant rate of 1.2m/s2 starting from rest, determine the time needed for it to reach an acceleration of 1.4m/s2. What is its speed at this instant?

    asked by ROHIT on August 6, 2012
  16. dynamics

    at the bottom of a loop the speed of an airplane is 400 mph. this causes a normal acceleration of 9 g ft/sec^2, determine the radius of the loop

    asked by aaa on April 27, 2012
  17. Dynamics

    The rated speed of the highway curve of 200 ft radius is 30 mph. If the coefficient of friction between the tires and the road is 0.6, what is the maximum speed at which a car can round the curve without skidding? show solution step by step show FBD (if

    asked by 20 on July 14, 2018
  18. Dynamics

    Find the angle of banking for a highway curve of 300 ft radius design to accommodate cars traveling at 100 mph, if the coefficient friction between the tires and the road is 0.6. What is the rated speed of the curve? show solution step by step show FBD (if

    asked by 19 on July 14, 2018
  19. Dynamics

    A boy running a foot race rounds a flat curve of 50 ft radius. If he runs at rate of 15 mph, at what angle with the vertical will be inclined his body? A.) 16.75° B.) 13.67° C.) 76° show solution step by step thanks

    asked by Carl on July 14, 2018
  20. Dynamics

    A stone has an initial velocity of 100 fps up to the right at 30 degrees with the horizontal. The components of the acceleration are constant at ax=-4 fps^2 and ay=-20 fps^2. Compute the horizontal distance covered until the stone reaches the point 60 ft

    asked by Carl on July 14, 2018
  21. Dynamics

    The rod of the fixed hydraulic cylinder is moving to the left with a speed of 100 mm/s and this speed is momentarily increasing at a rate of 400 mm/s each second at the instant when sA = 425 mm. Determine the tension in the cord at that instant. The mass

    asked by Anonymous on April 1, 2017
  22. DYNAMICS

    The 10-lb has an initial velocity of 10ft/s on the smooth plane. If a force F=(2.5t), where t is in seconds, acts on the block for 3s, determine the final velocity of the block and the distance the block travels during this time.

    asked by HELP on March 5, 2013
  23. DYNAMICS

    A particle travels along a straight line with a velocity v=(12-3t^2) m/s, when t is in seconds. When t=1s, the particle is located 10m to the left of the origin. Determine the accelaration when t=4s, the displacement from t=0 to t=10s, and the distance the

    asked by HELP on February 17, 2013
  24. dynamics

    a baseball is thrown downward from a 12.5m tower with an initial speed of 4.5m/s. determine the speed at which it hits the ground and the time of travel.

    asked by chanz11 on April 18, 2012
  25. Dynamics

    Problem 13.185 A 9.13 kg sphere A of radius 90 mm moving with a velocity magnitude v(0)= 2 m/s strikes a 830 g sphere B of radius 40 mm which is hanging from an inextensible cord and is initially at rest. Sphere B swings to a maximum height h after impact.

    asked by Kate on September 22, 2011
  26. Dynamics

    A car weighing 3220 lb a curve of 200 ft radius bank at an angle of 30°. Find the friction force acting on tires when the car is traveling at 60 mph. The coefficient of friction between the tires and the road is 0.9. show solution step by step show FBD

    asked by 18 on July 14, 2018
  27. Dynamics

    A level fight bomber flying at 300 ft/s releases a bomb at an elevation of 6400 ft. Approximately how long before the bomb strikes the earth?

    asked by Angel on January 15, 2017
  28. Dynamics

    A ball is launched up an inclined wall by a spring. The spring has a spring constant of 12.2 kN/m and is initially compressed 0.3m. The ball has a mass of 1.7 kg, a radius of 0.045m, and a moment of inertia of 0.0014kg*m^2. You can assume the ball rolls

    asked by Howard on August 23, 2015
  29. dynamics

    a 200 g object is attached to a 1.5 m long string is whirled around a horizontal force at a speed of 6 m/s. determine the centripetal acceleration of the object.

    asked by yel on September 14, 2014
  30. dynamics

    A carpenter asks his helper to toss an apple to him. The carpenter is 12 ft up and 12 ft to the right of the helper, who throws the apple at Vo=32 ft/s. There are two values of theta that cause that apple to land in the carpenters hand. What are they?

    asked by Emily on September 23, 2012
  31. Dynamics

    The coefficients of friction depends up on ________ a)Nature of the surface b)Shape of the surface c)Area of the contact surface d)Weight of the body

    asked by Rajan on August 4, 2012
  32. Dynamics

    Constant of area velocity for a central force motion of a particle does not imply that_________ a)Equal areas were are swept by the radius vector in equal times. b)The tangential velocity varies inversely as the length of the radius vectors c)The angular

    asked by Rajan on August 4, 2012
  33. Dynamics

    For a perfectly plastic central impact ______ Multiple choice question a)The entire kinematic energy of two bodies must be lost b)The two bodies must be move stuck together only if the impact is direct.

    asked by Rajan on August 4, 2012
  34. Dynamics

    A stone is thrown vertically upward from the top of a 30m high building with a velocity of 15m/s. Taking the acceleration of stone as 9.81 m/s2. And taking that as constant, determine a) the velocity v and elevations sy of stone above the ground at any

    asked by Rajan on July 30, 2012
  35. DYNAMICS

    a particle moves on a circular path of 20 ft radius so that its arc distance from a fixed point of the path is given by s= 4 t^2-10t where a is in feet and t is in seconds. compute the total acceleration at the end of 2 sec.

    asked by aaa on April 27, 2012
  36. dynamics

    a truck traveling along a straight road at 20km/h,increases its speed to 120km/hr in 15 s. If its acceleration is constant. determine the distance traveled.

    asked by chanz11 on April 18, 2012
  37. Dynamics

    During a high-speed chase, a 2400-lb sports car traveling at a speed of 100 mi/h just loses contact with the road as it reaches the crest A of a hill. a) Determine the radius of curvature r of the vertical profile of the road at A. b) Using the value of r

    asked by Sarah on March 24, 2011
  38. Dynamics

    Car A is moving at a constant speed Va=75 km/h, while car C is moving at a constant speed Vc=42 km/h on a circular exit ramp with radius p=80m. Determine the velocity and acceleration of C relative to A.

    asked by Matt on January 30, 2011
  39. Dynamics

    A 70-g ball B dropped from a height h_0=1.5 m reaches a height h_2=0.25 m after bouncing twice from identical 210-g plates. Plate A rests directly on hard ground, while plate C rests on a foam-rubber mat. Determine (a) the coefficient of restitution

    asked by Student on December 6, 2018
  40. Dynamics

    A super elevation of a railroad track is the number of inches that the outside rail is raised to prevent side thrust on the wheel of flanges of cars rounding the curve at rated speed. Determine the super elevation e for track having a gauge of 4 ft and 8.5

    asked by 17 on July 14, 2018
  41. Dynamics

    A curved ramp, as shown in the following figure is used to transfer mangoes between the packaging site to the loading bay. Each box weighs 5 kg, and the coefficient of kinetic friction between the box and the ramp is µk = 0.2. At the instant the box

    asked by Yugeswarri on April 4, 2018
  42. dynamics

    A force F=160N is applied to the cord. Determine how high the 400N block A rises in 2s starting from rest . Neglect the weigth of the pulleys and cord.

    asked by doffy on February 8, 2018
  43. dynamics

    A worker drops a wrench from the roof of a tall building 100m above the street and at the same instant shouts a warning to the people below. If sounds travels 340 m/s, how long after the warning is heard below does the wrench strike?

    asked by ryan on January 29, 2018
  44. Dynamics

    A curve along the highway is to be designed for cars moving at 100km/hr. Find the angle of banking if the radius of the curve is 200m

    asked by Vincy on June 5, 2017
  45. Dynamics

    A motion of a particle is given by the relationship a=6t. If s=8m and v=4m/s when t=1sec determine: a) v-s relationship b) s-t relationship s is distance V is velocity T is time

    asked by Vincy on May 14, 2017
  46. Dynamics

    A stone is projected in the air vertical upward with an initial velocity of 5m/s Find a) tr and tf b) H, highest distance has reached c) where is the stone has reached after t=5.0sec

    asked by Jason on May 10, 2017
  47. Dynamics

    A particle moves in accordance with the equation s=32+24t-2t? Find a) v-t relationship b) How far to the right of the origin does the particle go? c) s when t=0 d) acceleration of the particle at t=3sec

    asked by Jason on May 10, 2017
  48. Dynamics

    A car is traveling with constant velocity of 6m/s is passing thru an intersection when a motorcycle starts to move. The motorcycle move w/ an acceleration of 4m/s Find a) time when the motorcycle overtake the car b) the distance

    asked by Jason on May 10, 2017
  49. DYNAMICS

    A racecar is initially travelling at 75 mph at point A as it enters the S-curve shown. In order to successfully traverse the curve, the racecar driver applies his brakes and decelerates uniformly between point A and B. Point B is located 750 ft down the

    asked by KBROM on April 21, 2017
  50. dynamics

    A racecar is initially travelling at 75 mph at point A as it enters the S-curve shown. In order to successfully traverse the curve, the racecar driver applies his brakes and decelerates uniformly between point A and B. Point B is located 750 ft down the

    asked by kbrom on April 19, 2017
  51. Dynamics

    Hello, Is there a way to find the angle of inclination if given the coefficien of sliding friction? I've got 0.2 for the coefficient but I assume I can't use the old trick for find the angle give static friction I.e tan^-1 (u) = the angle.

    asked by Anon on April 5, 2017
  52. dynamics

    The acceleration of a particle is defined by the relation a = -k/x . It has been experimentally determined that v = 15 ft/s when x = 0.6 ft and that v = 9 ft/s when x = 1.2 ft. determine (a) the velocity of the particle when x = 1.5 ft and (b) the position

    asked by ccny on February 2, 2017
  53. DYnamics

    Thank you Advance...;; Q: A body of mass 10 kg is moving over a smooth surface, whose equation of motion is given by the relation. s = 5t + 2t² where (s) is in metres and (t) in seconds. Find the magnitude of force responsible for the motion. Thank you

    asked by abodd on November 7, 2016
  54. Dynamics

    A 45ft long conveyor is used to move boxes up to a second level. The belt speed is 150ft/min and the conveyor is inclined at 15 degrees. Boxes are dropped vertically onto the conveyor and have no horizontal speed. The static and dynamic coefficient of

    asked by Bobby on March 10, 2016
  55. dynamics

    (a) A rocket is travelling out of the earth’s atmosphere. During flight it burns fuel at a rate of 80kg/s producing a constant thrust of 500kN which drives the rocket in a vertical trajectory. It has a mass of 3500Kg when it reaches a speed of 1220m/s.

    asked by kevin on December 29, 2015
  56. Dynamics

    A ball weighing .2 Lbs. is dropped out the window of a pickup truck (approx. 5 ft?) moving horizontally at 45mph. If e (coefficient of restitution) between the ball and the ground is equal to .6, find the height of the ball's first bounce and the

    asked by Joe on December 8, 2015
  57. Dynamics

    A uniform rod m1 and having a length L is hanging vertically downward and pin supported at the center of mass of a roller (disc) which rides on a horizontal track. Assuming that the system was initially at rest find the initial acceleration of the roller

    asked by Jonnie on November 8, 2015
  58. dynamics

    A helical spring of stiffness k is cut into two halves and a mass m is connected to the two halves. The natural time period of this system is found to be 0.5 s. If an identical spring is cut so that one part is one-fourth and the other part three-fourths

    asked by mpho on October 7, 2015
  59. Dynamics

    The flat circular disc rotates about a vertical axis through O with a constant angular velocity of 240rpm. Prior to rotation, each of the 0.5kg sliding blocks has the position x=25mm with no force in its attached spring. Each spring has a stiffness of

    asked by Anonymous on May 25, 2015
  60. dynamics

    find the angle of bangking highway curve of 90m radius designed to accomodate cars travelling at 160 kph, if the coefficient of friction between tires and the road is 0.60.

    asked by sisi on May 17, 2015
  61. Dynamics

    an 800 lb cannon fires a 5 lb cannonball in a horizontal direction. the cannon sits on a skid; the kinetic coefficient of friction between the skid and the horizontal surface is .25. if the cannonball has a speed of 650 ft/s when it leaves the cannon,

    asked by Matt on March 15, 2015
  62. Dynamics

    The 25-lbf block has an initial speed for v0 = 10 ft/s when it is midway between springs A and B. The coefficient of static and kinetic friction between the plane and the block are μs = 0.45 and μk = 0.4, respectively. After striking spring B, the block

    asked by James on February 19, 2015
  63. Dynamics

    The acceleration of a particle which moves along the x axis is given by a=4x+5x^(3/2) The particle has speed of 2m/s when x=1m x is in meters a is in m/s^2 evaluate the velocity when x = 8m I know that I need to use kinematic eqn 3 adr = vdv then take the

    asked by elaine on January 12, 2015
  64. dynamics

    example of every types of motion *translation *rotation *general plane motion

    asked by aira on September 8, 2014
  65. Dynamics

    The body is fired with an initial angle theta0 and velocity v0. Show that the minimum time that it will reach the line AB is only when theta0=1/tan(alpha), where alpha is tha angle between the line AB and the horizontal.

    asked by Dynamics Problems on July 30, 2014
  66. Dynamics

    A particle is attached to point O from A by the force F=-k/x3. If x=x0 and v=0 when t=0, determine velocity and acceleration as a function of x, and the time it takes to travel from A to O.

    asked by Dynamics Problems on July 19, 2014
  67. Dynamics

    The propellers of a ship of weight W can produce a propulsive force F0; they produce a force of the same magnitude but of opposite direction when the engines are reversed. Knowing that the ship was proceeding forward at its maximum speed v0 when the

    asked by Dynamics Problems on July 19, 2014
  68. Dynamics

    The acceleration of a perticle as it moves along a straight line is geven by a=(2t-1) m/s2. If x=1m and v=2m/s when t=0s, determine the particle's velocity and position when t=6s. Also, determine the total distance the particle travels during this time

    asked by Dynamics Problems on July 12, 2014
  69. Dynamics

    A ship is slowed up with the force F=-k*e^(c*v), where k and c are known constants. Determine the time and the distance requiredfor the ship to stop. Initial velocity of the ship is v0. I have done that F is like the friction force, and then i couldn't

    asked by Dynamics Problems on July 11, 2014
  70. Dynamics

    A particle of mass m starts from rest and slides on a polished track around a vertical circular loop of radius a as shown. Show that the minimum starting height h above the bottom of the loop in order that the particle will leave the track at any point is

    asked by lexis on April 20, 2014
  71. Dynamics

    What is the minimum spring compression delta necessary to cause m2 to leave the floor after m1 suddenly released with zero velocity? Measure delta from the unstretched length of the spring and assume that all the motion is in vertical direction

    asked by lexi on April 19, 2014
  72. 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

    asked by Ivan on March 17, 2014
  73. dynamics

    a 2kg ball revolves in a horizontal circle as shown at a constant speed of 1.5m/s. Knowing that L=600mm, determine (a) the angle that the cord with the vertical (b) tension in the cord.

    asked by kit on November 20, 2013
  74. dynamics

    A slotted disk is rotating with constant angular velocity ω−−, as shown in the figure. A ball of mass m slides out from the center of the disk. Kinetic friction force F=μk|N| acts on the mass, where N is the normal force between the ball and the

    asked by solid chem on November 10, 2013
  75. dynamics

    the power developed by a man in riding up a 6percent grade at a constant speed is 200w.the man and his bicycle have a combinoed mass of 80kg.determined the speed of riding

    asked by nitin on August 26, 2013
  76. dynamics

    a ball of mass 8 kg is thrown vertically upward from the ground, with an initially velocity of 25 m/s. Determine the maximum height to which it will travel if atmospheric resistance is neglected

    asked by ripon on July 29, 2013
  77. Dynamics

    Multiple chice question. 1. The co efficent of restitution is defined on the basis of a.Velocity component along the line of impact only. b.Velocity compnent normal to the line of impact c.Velocity vectors before and after the collision. d.Energies of

    asked by Kiran on July 22, 2013
  78. dynamics

    1.The powr developed by a force is --- and that of couple is --- 2. The velocity of cylinder which is released from rest on 0 degree incline after it has rolled through a distance l is given by --- 3.The conditions for none slipping are ------ 4. The

    asked by Kiran on July 22, 2013
  79. Dynamics

    the power developed by a man in riding up a 6 percent grade a ta constant speed is 200 W. the man and his bicycle have acombind mass of 80kg.determine the speed of riding.

    asked by sushil on July 22, 2013
  80. Dynamics

    A 1500 kg automobile is traveling up to 20 degree incline at a speed of 6 m/s. If the driver wishes to stop his car in a distance of 5m,determine the frictional force at pavement which must be supplied by rear wheels.

    asked by Anonymous on July 22, 2013
  81. dynamics

    A 1500 kg automobile is treveling upto 20 degree incline at a speed of 6 m/s. if the driver wishes to stop his car in a distance of 5 m, determine the frictional force at pavement which must be supplied by rear wheels.

    asked by neeraj sharma on July 22, 2013
  82. Dynamics

    A 1500 kg automobile is traveling up to 20 degree incline at a speed of 6 m/s. If the driver wishes to stop his car in a distance of 5m,determine the frictional force at pavement which must be supplied by rear wheels.

    asked by Anonymous on July 22, 2013
  83. dynamics

    A ball of mass 8 kg is thrown vertically upward from the ground, with an initially velocity of 25 m/s. determine the maximum height to which it will travel if atmospheric resistance is neglected.

    asked by Anonymous on July 22, 2013
  84. dynamics

    fill in the blanks---- a)the power developed by a force is ______ and that of couple is _______. b)the velocity of cylinder which is released from rest on 0 degree incline after it has rolled through a distance l is given. c)the conditions for non slipping

    asked by Anonymous on July 22, 2013
  85. dynamics

    a 1500 kg automobile is traveling up to 20 degree incline at a speed of 6 m/s if the driver wishes to stop his car in a distance of a 5m, determine the frictional force at pavement which must be supplied by rear wheels.

    asked by Anonymous on July 22, 2013
  86. dynamics

    the power developed by a man in riding up a 6 percent grade at a constant speed is 200w. the man and his bicycle have a combined mass of 80 kg. Determine the speed of riding

    asked by Anonymous on July 22, 2013
  87. dynamics

    The coefficients of friction depends upon

    asked by Anonymous on July 22, 2013
  88. dynamics

    Mass of 2.3 kg and 4.5 kg is connected with the cord as shown. The coefficient of kinetic friction between box and floor is 0.35. Determine: a)The tension in the cord b)The acceleration of the blocks c)If the block start slides with 2.3 m/s, d)How far does

    asked by ruby on May 7, 2013
  89. Dynamics

    The 10 kg block shown is released from rest on the horizontal surface at point B, where the spring has been stretched a distance of 0.5 m from its neutral position A. The coefficient of kinetic friction between the block and the plane is 0.30. Calculate

    asked by Brandon on March 24, 2013
  90. DYNAMICS

    The 10-lb has an initial velocity of 10ft/s on the smooth plane. If a force F=(2.5t), where t is in seconds, acts on the block for 3s, determine the final velocity of the block and the distance the block travels during this time.

    asked by HELP on March 5, 2013
  91. dynamics

    If it is released from rest at a height of h = 2 ft from the top of the uncompressed spring, determine the speed of the collar after it falls and compresses the spring 0.9ft .

    asked by Rob on February 24, 2013
  92. Dynamics

    It takes 16s to raise a 2800lb car and the supporting 650lb hydraulic car-lift platform to a ht of 6.5 ft. Knowing that the overall conversion efficiency from electric to mechanical power for the system is 82% determine a) the average power output

    asked by Amelia on February 22, 2013
  93. DYNAMICS

    A car has an initial speed of 25m/s and a constant deceleration of 3m/s^2. Determine thewvelocity of the car when t=4s. What is the displacement of the car during the 4-s time interval? How much time is needed to stop the car? How do i get the

    asked by HELP on February 17, 2013
  94. Dynamics

    The acceleration of a particle moving along a straight line is inversely proportional to its speed with the constant of porpotionality being k. The body starts from the position s = x0 ^i with initial speed v0. Determine the velocity of the particle as a

    asked by Devin on January 22, 2013
  95. dynamics

    the 1500 kg automobile is travelling up the 20 degree inclined at a speed of 6 m/s , if the driver wishes to stop his car in a distance of 5m , determine the frictional force at the pavement which must be supplied by the rear wheels.

    asked by umesh on December 30, 2012
  96. Dynamics

    A 20-lb disk has a radius of 1ft and can roll without slip on a rough plane that is inclined by an angle è to the horizontal. The disk is attached to the lower end of a linear spring of stiffness 10lb/in. The upper end of the spring is attached to a wall.

    asked by Anonymous on December 9, 2012
  97. dynamics

    a series of small packages are being moving by athin conveyor belt that passes over a 300mmradiusidler pulley.the belt starts from rest at time t=0 and its speed increses at a constant rate of 150mm/s*2.knowing that the coffient of static friction between

    asked by rajesh on October 8, 2012
  98. dynamics

    cars A and B are d=60m apart and traveling respectively with constant speeds v1=32km/h and v2=24km/h on an ice covered road.knowing that 45s after driver A apples his breaks to avoid overtaking car Bthe two cars collide,determine a)the uniform deceleration

    asked by rajesh on October 8, 2012
  99. Dynamics

    The rotor is an amusement park ride where a person enters the Rotor when it is stationary and stands against the wall with their back against the wall. The rotor then begins to spin around a vertical axis. After reaching cruising speed, the floor drops

    asked by Connor on September 28, 2012
  100. dynamics

    This deals with a cam follower. The slotted bar rotates with constant angular velocity, theta=12 rad/s. The follower 'A' follows the circular cam as the bar rotates. The arm is pinned at a distance h=0.2m to the left of the cam's center. The radius of the

    asked by Emily on September 23, 2012

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