The ballistic pendulum is a simple device—the pendulum part consists of a wooden block, which has...
The ballistic pendulum is a simple device—the pendulum part consists of a wooden block, which has a mass of 860. grams, hanging from a string. The block is initially at rest. However, a bullet with a mass of 18.0 grams is fired at the block. The bullet embeds itself in the block, and the bullet and block then oscillate back and forth on the string, pendulum style, after the collision. Just before impact with the block, the bullet's velocity is 205 m/s, directed entirely horizontally. Use g = 9.80 m/s2.
(a) Determine the speed of the block + bullet system immediately
after the collision.
m/s
(b) Determine the maximum height, measured from the level where the
block starts, that the block + bullet rise to after the
collision.
Homework Answers
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The ballistic pendulum is a simple device—the pendulum part
consists of a wooden block, which has...
1) A ballistic pendulum consists of a 3.60 kg wooden block on the end of a...
1) A ballistic pendulum consists of a 3.60 kg wooden block on the end of a long string. From the pivot point to the center‐of‐mass of the block is a distance of 2.80 m. With the pendulum hanging straight down, a rifle bullet of 28.0 g mass moving with a speed of 210 m/s embeds itself into the wood. To what maximum angle does the pendulum (with embedded bullet) swing upward? 2) The thorium‐228 nucleus decays by emitting an alpha...
A bullet of mass 8 g is fired into a 1.2 kg ballistic pendulum (a block...
A bullet of mass 8 g is fired into a 1.2 kg ballistic pendulum (a block of wood acting as the pendulum bob of a thin metal arm attached to a low friction pivot point) that is initially at rest. The bullet exits the block of wood with a speed of 180 m/s and the wooden block swings from its lowest point to a maximum height of 9.2 cm above that location. Determine the velocity of the bullet before it...
3. The ballistic pendulum is a device used to measure the speed of a projectile, such...
3. The ballistic pendulum is a device used to measure the speed of a projectile, such as a bullet. The projectile, of mass m, is fired into a large block of mass M, which is suspended like a pendulum. As a result of the collision, the pendulum and projectile together swing up to a maximum height h. Determine the relationship between the initial horizontal speed of the projectile, v, and the maximum heighth
simple way to measure the speed of a bullet is with a ballistic pendulum, which consists...
simple way to measure the speed of a bullet is with a ballistic pendulum, which consists of a wooden block of mass m into which a bullet of mass m, is shot. The block is suspended from two cables, each of length L. Assume that the time the bullet takes to come to rest (that is, the bullet is moving at the same speed as the block) is negligibly Small. The impact of the bullet causes the block and embedded...
A ballistic pendulum is a device for measuring bullet speeds. One of the simplest versions consists...
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In a ballistic pendulum, a bullet of mass m is fired into a stationary hanging block...
In a ballistic pendulum, a bullet of mass m is fired into a stationary hanging block of mass M. On impact, the bullet is trapped inside the block, which then slides up to a maximum height of h = 4.06 cm. If the mass of the block (M) is 4.7 times larger than the mass of the bullet (m), determine the speed v which the bullet must have had prior to impact.
detail information please 11. The ballistic pendulum (see the figure below) is a device used to...
detail information please
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Question 3 4 pts The ballistic pendulum consists of a block of dense material suspended from...
Question 3 4 pts The ballistic pendulum consists of a block of dense material suspended from a cord and allowed to swing freely. A bullet is fired into the block, lodging itself into the block in a _. The (block+bullet) having now acquired a velocity, swings upward to some maximum height. (See lab manual) neutral collision perfectly elastic collision elastic collision perfectly inelastic collision Question 4 5 pts For the ballistic pendulum experiment, all of the following are true or...
Problem 3 A "ballistic pendulum" is a device (now largely obsolete, but very useful in its...
Problem 3 A "ballistic pendulum" is a device (now largely obsolete, but very useful in its day) to measure the speed of a bullet as it hits a target. Let the target be a block of wood suspended from a string, as in the figure below. When the bullet hits, it is embedded in the wood, and together they swing, like a pendulum, to some maximum height h. The question is, how do you find the initial speed of the...
Virtual Lab: Ballistic Pendulum Introduction The ballistic pendulum was invented by Benjamin Robins in 1742 as...
Virtual Lab: Ballistic Pendulum Introduction The ballistic pendulum was invented by Benjamin Robins in 1742 as a device mainly designed to accurately measure the speed of fast traveling projectiles (bullets or cannon balls), relying only on measurements of mass and distance, without measurements of time. Knowing the mass of the projectile, estimates of its momentum and kinetic energy could also be made. Although the ballistic- pendulum method has lost its practical importance to more modern methodologies, it was used for...
A bullet of mass 8 g is fired into a 1.2 kg ballistic pendulum (a block of wood acting as the pendulum bob of a thin metal arm attached to a low friction pivot point) that is initially at rest. The bullet exits the block of wood with a speed of 180 m/s and the wooden block swings from its lowest point to a maximum height of 9.2 cm above that location. Determine the velocity of the bullet before it...
3. The ballistic pendulum is a device used to measure the speed of a projectile, such as a bullet. The projectile, of mass m, is fired into a large block of mass M, which is suspended like a pendulum. As a result of the collision, the pendulum and projectile together swing up to a maximum height h. Determine the relationship between the initial horizontal speed of the projectile, v, and the maximum heighth
simple way to measure the speed of a bullet is with a ballistic pendulum, which consists of a wooden block of mass m into which a bullet of mass m, is shot. The block is suspended from two cables, each of length L. Assume that the time the bullet takes to come to rest (that is, the bullet is moving at the same speed as the block) is negligibly Small. The impact of the bullet causes the block and embedded...
detail information please
11. The ballistic pendulum (see the figure below) 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 to a height h. m+m V1i 2 (a) Determine the ratio of the momentum immediately after the collision to the momentum immediately before the collision...
Question 3 4 pts The ballistic pendulum consists of a block of dense material suspended from a cord and allowed to swing freely. A bullet is fired into the block, lodging itself into the block in a _. The (block+bullet) having now acquired a velocity, swings upward to some maximum height. (See lab manual) neutral collision perfectly elastic collision elastic collision perfectly inelastic collision Question 4 5 pts For the ballistic pendulum experiment, all of the following are true or...
Problem 3 A "ballistic pendulum" is a device (now largely obsolete, but very useful in its day) to measure the speed of a bullet as it hits a target. Let the target be a block of wood suspended from a string, as in the figure below. When the bullet hits, it is embedded in the wood, and together they swing, like a pendulum, to some maximum height h. The question is, how do you find the initial speed of the...
Virtual Lab: Ballistic Pendulum Introduction The ballistic pendulum was invented by Benjamin Robins in 1742 as a device mainly designed to accurately measure the speed of fast traveling projectiles (bullets or cannon balls), relying only on measurements of mass and distance, without measurements of time. Knowing the mass of the projectile, estimates of its momentum and kinetic energy could also be made. Although the ballistic- pendulum method has lost its practical importance to more modern methodologies, it was used for...
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