A ball of mass 0.075 kg is fired horizontally into a ballistic pendulum. The pendulum mass is 0.350 kg. The ball is caught in the pendulum, and the centerof mass of the system rises a vertical distance of 0.145 m

46,901 results
  1. Physics

    A student performs a ballistic pendulum experiment using an apparatus similar to that shown in the figure. Initially the bullet is fired at the block while the block is at rest (at its lowest swing point). After the bullet hits the block, the block rises

  2. Physics

    A 5.00-g bullet is fired into a 500-g block of wood suspended as a ballistic pendulum. the combined mass swings up to a height of 8.00 cm. What was the magnitude of the momentum of the combined mass immediately after the collision? Answer a. 0.394 kg·m/s

  3. Physics

    Consider a ballistic pendulum experiment in which the mass of the ball (bullet) and the pendulum cage (block) are the same. What would be the expected percentage loss of kinetic energy in this experiment?

  4. physics

    As shown below, a bullet of mass m and speed v passes completely through a pendulum bob of mass M. The bullet emerges with a speed of v/2. The pendulum bob is suspended by a stiff rod of length and negligible mass. What is the minimum value of v such that

  5. physics

    A ballistic pendulum, as shown in the figure, was a device used in the past century to measure the speed of bullets. The pendulum consists of a large block of wood suspended from long wires. Initially, the pendulum is at rest. The bullet strikes the block

  6. physics

    in a ballistic pendulum experiment, projectile 1 result in a maximum heigh h of the pendulum equal to 2.6 cm. a second projectile causes the pendulum to swing twice as high, h2=5.2 cm. the second projectile was how many times faster than the first?

  7. physics help

    A 10 g bullet moving at 370 m/s strikes a ballistic pendulum of mass 2kg. The bullet emerges with a speed of 100 m/s. What height does the pendulum rise to? I don't want the answer, i just need hints!!! thnaks

  8. Physics

    A simple pendulum has a 2.5 kg mass attached to a string that is 0.65 m in length. If the pendulum is released at an angle of 35° with the horizontal, then the period of the pendulum is seconds.

  9. physics

    A ball of mass 0.075 kg is fired horizontally into a ballistic pendulum. The pendulum mass is 0.350 kg. The ball is caught in the pendulum, and the centerof mass of the system rises a vertical distance of 0.145 m in the earth's gravitational field. What

  10. Pre-Calculus

    The Period T, in seconds, of a pendulum depends on the distance, L, in meters, between the pivot and the pendulum's centre of mass. If the initial swing angle is relatively small, the period is given by the radical function T=2pi(sqrtL/g) where g

  11. physics

    A bullet of mass 8 g strikes a ballistic pendulum of mass 2.0 kg. The center of mass of the pendulum rises a vertical distance of 10 cm. Assuming that the bullet remains embedded in the pendulum, calculate the bullet's initial speed.

  12. Physics

    A simple pendulum of length 2.00m is made with a mass of 2.00kg. The mass has speed of 3.00 m/s when the pendulum is 30 degrees above its lowest position. -What is the maximum angle away from the lowest position the pendulum will reach? -What is the speed

  13. PHYSICS

    A 5.00-g bullet is fired into a 500-g block of wood suspended as a ballistic pendulum. The combined mass swings up to a height of 10.00 cm. What was the magnitude of the momentum of the combined mass immediately after the collision?

  14. physics

    A large swinging ball is used to drive a horizontal iron spike into a vertical wall. The centre of the ball falls through a vertical height of 1.6m before striking the spike in the position shown. (there is this drawing of a wall and a pendulum is

  15. physics

    Pendulum A with mass m and length l has a period of T. If pendulum B has a mass of 2m and a length of 2l, how does the period of pendulum B compare to the period of pendulum A? A. The period of pendulum B is 2 times that of pendulum A. B. The period of

  16. Physics

    In a ballistic pendulum experiment, a small marble is fired into a cup attached to the end of a pendulum. If the mass of the marble is 0.0255 kg and the mass of the pendulum is 0.250 kg, how high will the pendulum swing if the marble has an initial speed

  17. physics

    A simple pendulum consists of a ball of mass 5.39 kg hanging from a uniform string of mass 0.0789 g and length L. The period of oscilla- tion for the pendulum is 2.51 s. Determine the speed of a transverse wave in the string when the pendulum is station-

  18. physics

    A pendulum consists of a uniform disk with radius r = 10 cm and mass 480 g attached to a uniform rod with length L = 500 mm and mass 175 g. (a) Calculate the rotational inertia of the pendulum about the pivot. (b) What is the distance between the pivot and

  19. physics

    A pendulum consists of a massless rigid rod with a mass at one end. The other end is pivoted on a frictionless pivot so that it can turn through a complete circle. The pendulum is inverted, so the mass is directly above the pivot point, and then released.

  20. physics

    A simple pendulum is made from a ping-pong ball with a mass of 10 grams, attached to a 60-cm length of thread with negligible mass. The force of air resistance on the ball is Fair =−b𝑥̇, in which = 0.016 kg s-1 [gravitational acceleration, g = 9.81

  21. physics

    A ballistic pendulum consists of a rectangular wooden block of mass 1.5 kg suspended from a ceiling. A bullet mass 0.025 kg undergoes a completely inelastic collision with the ballistic pendulum. Due to the collision the pendulum rises to a height of 45

  22. Physics

    A large pendulum with a 200-lb gold-plated bob 12 inches in diameter is on display in the lobby of the United Nations building. Assume that the pendulum has a length of 78.4 ft. It is used to show the rotation of the Earth - for this reason it is referred

  23. physics

    A pendulum is constructed from a thin, rigid, and uniform rod with a small sphere attached to the end opposite the pivot. This arrangement is a good approximation to a simple pendulum (period = 5.97 s), because the mass of the sphere (lead) is much greater

  24. physics

    The speed of a rifle bullet may be measured by means of a ballistic pendulum. The bullet, of known mass m and unknown speed V, embeds itself in a stationary wooden block of mass M, suspended as a pendulum of length L. This sets the block to swinging. The

  25. Physics

    A 12.0-g bullet is fired into a 1 100-g block of wood which is suspended as a ballistic pendulum. The combined mass swings up to a height of 8.50 cm. What was the kinetic energy of the combined mass immediately after the collision?

  26. Physics

    A(n) 5.52 g bullet is fired into a(n) 3.07 kg ballistic pendulum and becomes embedded in it.The acceleration of gravity is 9.8 m/s^2. If the pendulum rises a vertical distance of 4.48 cm, calculate the initial speed of the bullet. Answer in units of m/s

  27. Physics

    A bob of mass m is suspended from a string of length L, forming a pendulum. The period of this pendulum is 1.97 s. If the pendulum bob is replaced with one of mass 1/2 m and the length of the pendulum is increased to 2.50 L, what is the period of

  28. Physics

    You are at a furniture store and notice that a Grandfather clock has its time regulated by a physical pendulum that consists of a rod with a movable weight on it. When the weight is moved downward, the pendulum slows down; when it is moved upward, the

  29. Physics 1

    A 12.0-g bullet is fired into a 1 100-g block of wood which is suspended as a ballistic pendulum. The combined mass swings up to a height of 8.50 cm. What was the kinetic energy of the combined mass immediately after the collision?

  30. Physic

    A 25 gm bullet is fired into a 2.25kg ballistic pendulum and becomes embedded in it. If the pendulum moves a vertical distance of 10cm, calculate: A. The speed of the system after collision B. The initial speed of the bullet C. The percentage of the energy

  31. Physics

    Consider the conical pendulum, a mass on the end of a string, with the other end of the string fixed to the ceiling. Given the proper push, this pendulum can swing in a circle at an angle q of 25.5 with respect to the vertical, maintaining the same height

  32. PHYSICS ( PERIODIC MOTION)

    A grandfather clock uses a physical pendulum to keep time. The pendulum consists of a uniform thin rod of mass M = 2.01 kg and length L = 0.19 m that is pivoted freely about one end, with a solid disk of mass 3M and a radius of L/4 attached to the free end

  33. physics

    A ballistic pendulum is used to measure the speed of bullets. It comprises a heavy block of wood of mass M suspended by two long cords. A bullet of mass m is fired into the block in the horizontal direction. The block, with the bullet embedded in it,

  34. physics

    As shown in the figure, a bullet of mass m and speed v passes completely through a pendulum bob of mass M. The bullet emerges with a speed of v/2. The pendulum bob is suspended by a stiff rod of length ℓ and negligible mass. 2.1 Derive an expression for

  35. Physics

    A 14 g bullet is fired into the bob of a ballistic pendulum of mass 1.6 kg. When the bob is at its maximum height, the strings make an angle of 60° with the vertical. The length of the pendulum is 2.3 m. Find the speed of the bullet. ?m/s Any help is

  36. physics

    1. A bullet has mass 5g. It is fired with a velocity of 50 ms-1 (g=9.8 ms-2) and strikes on a pendulum of mass 5 kg. Find out the height at which the pendulum is raised.

  37. Physics

    a simple pendulum consists of a 1.5 kg mass connected to a cored without and mass or friction. Initially the pendulum is vertically positioned when a 2.0 kg mass collides with ie, causing the pendulum to displace vertically upward 1.25 m. After the

  38. mambane

    A 10.0g bullet is fired with a speed of 500m/s into a pendulum block of mass 5.00kg, suspended from a cord 0.600m long. Calculate: (a)the vertical height through which the pendulum rises. (b) the initial kinetic energy of the bullet. (c) the kinetic energy

  39. physics

    A grandfather clock uses a physical pendulum to keep time. The pendulum consists of a uniform thin rod of mass M = 7.01 kg and length L = 0.15 m that is pivoted freely about one end, with a solid sphere of the same mass, 7.01 kg, and a radius of L/2

  40. College Physics

    A 0.60 kg mass is attached to a 0.6 m string and displaced at an angle of 15 degrees before it is released. 1)What is the potential energy of the pendulum? 2) What is the angular frequency of the pendulum? What is the height of its displacement? 4) What is

  41. College Physics

    A 0.60 kg mass is attached to a 0.6 m string and displaced at an angle of 15 degrees before it is released. 1)What is the potential energy of the pendulum? 2) What is the angular frequency of the pendulum? What is the height of its displacement? 4) What is

  42. Physics

    A 0.60 kg mass is attached to a 0.6 m string and displaced at an angle of 15 degrees before it is released. 1)What is the potential energy of the pendulum? 2) What is the angular frequency of the pendulum? What is the height of its displacement? 4) What is

  43. physics

    is there an effect on rotational inertia of a bar pendulum if extra mass is added to it .what happans if the added mass is located exactly at the orignal center of mass of the pendulum

  44. Physics

    A steel ball of mass m1 = 1.1 kg and a cord of length of L = 2.3 m of negligible mass make up a simple pendulum that can pivot without friction about the point O, as in the figure below. This pendulum is released from rest in a horizontal position, and

  45. AG

    a pendulum bob has a mass of 1 kg.the length of the pendulum is 2m. the bob is pulled to one side to an angle of 10' from the vertical.what is the angular velocity of the pendulum bob?

  46. Physics Classical Mechanics Help ASAP

    A pendulum of mass m= 0.8 kg and length l=1 m is hanging from the ceiling. The massless string of the pendulum is attached at point P. The bob of the pendulum is a uniform shell (very thin hollow sphere) of radius r=0.4 m, and the length l of the pendulum

  47. physics

    A simple pendulum has a mass m and carries a charge q. The pendulum is suspended between the vertical plates of a capacitor of separation distance d. If the string of the pendulum makes an angle θ with the vertical, what is the potential difference

  48. Algebra II

    The number of oscillations made by a pendulum in a given time is inversely proportional to the length of the pendulum. A certain clock with a 20-in.-long pendulum is losing 11.00 min/day. Should the pendulum be lengthened or shortened, and by how much?

  49. physics

    A ball of mass 0.075 kg is fired horizontally into a ballistic pendulum. The pendulum mass is 0.350 kg. The ball is caught in the pendulum, and the centerof mass of the system rises a vertical distance of 0.145 m in the earth's gravitational field. What

  50. physics for physical science

    a bullet of mass 0.015kg strikes ballistic pendulum of mass 2.0kg .the center of mass of the pendulum rises a vertical distance of 0.12m.assuming that the bullet remains embedded in the pendulum, calculate the bullet's initial speed.

  51. physics

    A bullet of mass 13 g strikes a ballistic pendulum of mass 1.7 kg. The center of mass of the pendulum rises a vertical distance of 11 cm. Assuming that the bullet remains embedded in the pendulum, calculate the bullet’s initial speed. Round your answer

  52. Physics

    A bullet of mass 4.8 g strikes a ballistic pendulum of mass 3.3 kg. The center of mass of the pendulum rises a vertical distance of 9.7 cm. Assuming that the bullet remains embedded in the pendulum, calculate the bullet's initial speed. ....I'm getting an

  53. Physics

    A 14 g bullet is fired into the bob of a ballistic pendulum of mass 1.6 kg. When the bob is at its maximum height, the strings make an angle of 60° with the vertical. The length of the pendulum is 2.3 m. Find the speed of the bullet. ?m/s

  54. Physics

    A ballistic pendulum was a device used in the past century to measure the speed of bullets. The pendulum consists of a large block of wood suspended from long wires. Initially, the pendulum is at rest. The bullet strikes the block horizontally and remains

  55. physics

    a bullet of mass 0.015kg strikes a ballistic pendullum of mass 2kg.the centre of mass of the pendulum rises a verticle distance of 0.12m.assuming that the bullet remains embedded in the pendulum, calculate the bullets initial speed.(show all calculations

  56. physics

    You are hired as ballistics expert and need to measure the muzzle speed of the bullet (with a mass, m = 20 g) for the gun. You fire a ballistic gun horizontally into a 2-kg ballistic pendulum (M = 2 kg) hanging at rest on a massless rod. After the bullet

  57. Physics

    A 5.00-g bullet is fired into a 500-g block of wood suspended as a ballistic pendulum. the combined mass swings up to a height of 8.00 cm. What was the magnitude of the momentum of the combined mass immediately after the collision?

  58. Phy

    A 5.00-g bullet is fired into a 500-g block of wood suspended as a ballistic pendulum. the combined mass swings up to a height of 8.00 cm. What was the magnitude of the momentum of the combined mass immediately after the collision? Answer a. 0.394 kg·m/s

  59. Physics

    A 0.010 kg bullet is fired into a 7 kg ballistic pendulum. The pendulum rises 0.08m before it stops. Use conservation of energy and momentum to find the initial velocity of the bullet.

  60. Physics

    A 5 gram bullet is fired into a 7 kg ballistic pendulum suspended vertically from the ceiling. If the bullet embeds into the block and the two move as one to a new final height of 12 cm. What was the initial velocity of the bullet before impacting the

  61. Physics

    A 0.56-kg mass is suspended from a string, forming a pendulum. The period of this pendulum is 3.6 s when the amplitude is 2.2 cm. The mass of the pendulum is now reduced to 0.27 kg. What is the period of oscillation now, when the amplitude is 2.5 cm? Give

  62. physics

    A pendulum and a mass spring system are both undergoing simple harmonic motion on Earth (use g = 10 N/kg). It is observed that every time the pendulum goes back and forth, the spring has gone up and down 14 times. If the pendulum has a length of 5 meters

  63. Physics

    A pendulum and a mass spring system are both undergoing simple harmonic motion on Earth (use g = 10 N/kg). It is observed that every time the pendulum goes back and forth, the spring has gone up and down 12 times. If the pendulum has a length of 4 meters

  64. physics

    In a ballistic pendulum experiment, projectile 1 results in a maximum height h of the pendulum equal to 2.4 cm. A second projectile causes the pendulum to swing twice as high, h_2 = 4.8 cm. The second projectile was how many times faster than the first?

  65. Physics

    A ballistic pendulum consists of an arm of mass M and length L = 0.485 m. One end of the arm is pivoted so that the arm rotates freely in a vertical plane. Initially, the arm is motionless and hangs vertically from the pivot point. A projectile of the same

  66. physics

    A grandfather clock uses a physical pendulum to keep time. The pendulum consists of a uniform thin rod of mass M = 7.01 kg and length L = 0.15 m that is pivoted freely about one end, with a solid sphere of the same mass, 7.01 kg, and a radius of L/2

  67. Physics

    A simple pendulum of length 2.00m is made with a mass of 2.00kg. The mass has speed of 3.00 m/s when the pendulum is 30 degrees above its lowest position. -What is the maximum angle away from the lowest position the pendulum will reach? -What is the speed

  68. Physics

    A spring loaded ballistic pendulum gun requires an increasing force to load. When loading a ball of mass 0.054 kg, the spring is compressed 7.00 cm, the gun is fully loaded, and the force required is 70.0 N. a) Calculate the work required to load the gun.

  69. physics

    The inverted pendulum shown consists of a uniform rod of length L and mass M hinged at its base. A spring is attached a distance h from the pendulum’s pivot and has a spring constant k. At equilibrium the pendulum is perfectly vertical. For small

  70. Collisions

    Suppose a bullet of mass m = 6.96 g is fired into a ballistic pendulum whose bob has a mass of M = 0.677 kg. (a) If the bob rises to a height of 0.141 m, what was the initial speed of the bullet? I got .042 km/s; but its wrong. (b) What was the speed of

  71. Physics

    A 0.60 kg mass is attached to a 0.6 m string and displaced at an angle of 15 degrees before it is released. 1)What is the potential energy of the pendulum? 2) What is the angular frequency of the pendulum? What is the height of its displacement? 4) What is

  72. Physics

    A 0.60 kg mass is attached to a 0.6 m string and displaced at an angle of 15 degrees before it is released. 1)What is the potential energy of the pendulum? 2) What is the angular frequency of the pendulum? What is the height of its displacement? 4) What is

  73. physics

    A 0.56-kg mass is suspended from a string, forming a pendulum. The period of this pendulum is 6.0 s when the amplitude is 1.5 cm. The mass of the pendulum is now reduced to 0.35 kg. What is the period of oscillation now, when the amplitude is 2.8 cm?

  74. physics

    a grandfather clock is designed to have a pendulum which swings a mass at the end of the chain in a horizontal circular motion. the pendulum is designed to swing 7 degrees off of the vertical. the chain is 1.50 meters long and the maximum tension in the

  75. Physics

    A pendulum is constructed of a 6.7 gram mass suspended on a 55cm thread. The mass is displaced vertically 55 cm to a point exactly horizontal from the top of the thread and released. The mass swings down and is cut directly above the mass when the mass is

  76. Physics 40

    A pendulum bob of mass M1 oscillates with a period of 1.0 s. If the length of the pendulum remains the same, but the pendulum bob is replaced with another one of mass M2 = 2*M1, what is the new period? I need help.

  77. physics

    A physical pendulum is constructed of a 48 cm long piece of wooden dowel with a mass of 550 grams and a radius of 0.7 cm. Attached at one end of the pipe is a hoop with a radius of 6 cm and a mass of 1.2 kg as shown. The pendulum is released from the 12:00

  78. PHYSICS(HELP)

    A pendulum of mass m= 0.8 kg and length l=1 m is hanging from the ceiling. The massless string of the pendulum is attached at point P. The bob of the pendulum is a uniform shell (very thin hollow sphere) of radius r=0.4 m, and the length l of the pendulum

  79. physics help

    A pendulum of mass m= 0.8 kg and length l=1 m is hanging from the ceiling. The massless string of the pendulum is attached at point P. The bob of the pendulum is a uniform shell (very thin hollow sphere) of radius r=0.4 m, and the length l of the pendulum

  80. physics help

    A pendulum of mass m= 0.8 kg and length l=1 m is hanging from the ceiling. The massless string of the pendulum is attached at point P. The bob of the pendulum is a uniform shell (very thin hollow sphere) of radius r=0.4 m, and the length l of the pendulum

  81. physics

    A simple pendulum has a mass m and carries a charge q. The pendulum is suspended between the vertical plates of a capacitor of separation distance d. If the string of the pendulum makes an angle θ with the vertical, what is the potential difference

  82. Algebra II

    The number of oscillations made by a pendulum in a given time is inversely proportional to the length of the pendulum. A certain clock with a 20-in.-long pendulum is losing 11.00 min/day. Should the pendulum be lengthened or shortened, and by how much?

  83. Physics

    A bullet of mass 3.2 g strikes a ballistic pendulum of mass 3.6 kg. The center of mass of the pendulum rises a vertical distance of 13 cm. Assuming that the bullet remains embedded in the pendulum, calculate the bullet's initial speed.

  84. Physics

    A 18 g bullet is fired into the bob of a ballistic pendulum of mass 1.4 kg. When the bob is at its maximum height, the strings make an angle of 60° with the vertical. The length of the pendulum is 2.3 m. Find the speed of the bullet.

  85. physics

    The ballistic pendulum is a device used to measure the speed of a fast-moving projectile such as a bullet. The bullet is fired into a large block of wood suspended from some light wires. The bullet is stopped by the block, and the entire system swings up

  86. physics

    A(n) 3.46 g bullet is fired into a(n) 2.4 kg ballistic pendulum and becomes embedded in it. The acceleration of gravity is 9.8 m/s2 . If the pendulum rises a vertical distance of 7.13 cm, calculate the initial speed of the bullet.

  87. PHYSICS

    A 5.00-g bullet is fired into a 500-g block of wood suspended as a ballistic pendulum. The combined mass swings up to a height of 10.00 cm. What was the magnitude of the momentum of the combined mass immediately after the collision? The Ans is 0.707 kg

  88. physic

    A 25 gm bullet is fired into a 2.25kg ballistic pendulum and becomes embedded in it. If the pendulum moves a vertical distance of 10cm, calculate: A. The speed of the system after collision B. The initial speed of the bullet C. The percentage of the energy

  89. physic

    A 25 gm bullet is fired into a 2.25kg ballistic pendulum and becomes embedded in it. If the pendulum moves a vertical distance of 10cm, calculate: A. The speed of the system after collision B. The initial speed of the bullet C. The percentage of the energy

  90. physics

    A physical pendulum in the form of a thin rod of length 1.04 m is pivoted at point P, a distance x from the pendulum's center of mass. Find the value of x for which the period of the pendulum will be a minimum.

  91. Physics

    A ballistic pendulum consists of an arm of mass M and length L = 0.52 m. One end of the arm is pivoted so that the arm rotates freely in a vertical plane. Initially, the arm is motionless and hangs vertically from the pivot point. A projectile of the same

  92. Physics- Ballistic pendulum

    A simple pendulum is made from a 2 kg. block of wood suspended from a light cord of length 1 m. When the pendulum is hanging in such a way that it is stationary and vertical, a bullet is shot horizontally into the block of wood where it sticks. The bullet

  93. Phyiscs help 3

    The height of a tower is measured by attaching a simple pendulum to its ceiling, whose length is barely enough to stay off the floor. The pendulum is let go from a small angle, and takes 13 s to return to the same location it started from. a.) How tall is

  94. Physics

    A pendulum consists of a massless rigid rod with a mass at one end. The other end is pivoted on a frictionless pivot so that it can turn through a complete circle. The pendulum is inverted, so the mass is directly above the pivot point, and then released.

  95. Physics (3)

    The mass m=1.00 kg is set up as a pendulum of length 0.6m . Initially in the position of h=0.2 m above the lowest point, and the pendulum is given initial speed of 1.00 m/s. What is the largest mass M that could be temporarily lifted in such setup?

  96. Physics

    A 0.55-kg mass is suspended from a string, forming a pendulum. The period of this pendulum is 1.2 s when the amplitude is 2.2 cm. The mass of the pendulum is now reduced to 0.27 kg. What is the period of oscillation now, when the amplitude is 2.4 cm?

  97. Physics

    (a) What is the energy of a pendulum (L = 0.9 m, m = 0.4 kg) oscillating with an amplitude of 4.3 cm? (b) The pendulum's energy loss (due to damping) is replaced in a clock by allowing a 2.3-kg mass to drop 1.0 m in 1 week. What percentage of the

  98. physics

    A simple pendulum has a mass m and carries a charge q. The pendulum is suspended between the vertical plates of a capacitor of separation distance d. If the string of the pendulum makes an angle θ with the vertical, what is the potential difference

  99. physics

    a pendulum consists of a wooden bob of mass m and length l. A Bullet of mass m1 is fired towards the pendulum with a speed v1.the bullet emerges out of the bob with a speed v1/3 and the bob just completes motion along a vertical line ,then v1 is?

  100. Physics plz help

    (a) What is the energy of a pendulum (L = 0.9 m, m = 0.4 kg) oscillating with an amplitude of 4.3 cm? (b) The pendulum's energy loss (due to damping) is replaced in a clock by allowing a 2.3-kg mass to drop 1.0 m in 1 week. What percentage of the

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