a ballistic pendulum an object of mass m is fired with an initial speed v0 at a pendulum bob. The bob has a mass M , which is suspended by a rod of length L and negligible mass. After the collision, the pendulum and object
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- An atomic nucleus suddenly bursts apart (fissions) into two pieces. Piece A, of mass m 4, travels off to the left with speed v4. Piece B, of mass mB, travels off to the right with speed v B.In a ballistic pendulum an object of mass m is fired with an initial speed vat a pendulum bob. The bob has a mass M, which is suspended by a rod of length I and negligible mass. After the collision, the pendulum and object stick together and swing to a maximum angular displacement as shown ( Figure 1). Figure V %0 m M -M+m V=0 1 of 1 > Part A Find an expression for, the initial speed of the fired object. Express your answer in terms of some or all of the variables m, M, L, and and the acceleration due to gravity, g. ► View Available Hint(s) Vo = (M+m)√2gL(1-cos(6)) m Submit Previous Answers ✓ Correct The ballistic pendulum was invented during the Napoleonic Wars to aide the British Navy in making better cannons. It has since been used by ballisticians to measure the velocity of a bullet as it leaves the barrel of a gun. In Part B you will use your expression for to compare the initial speeds of bullets fired from 9.0-mm and 44-caliber handguns. Part B An experiment is done to compare…Two solid metal balls, M1 = 40 g and M2 = 60 g, are each suspended from 32 cm long chords in a Newton’s Cradle type arrangement as shown in the figure above. The lighter ball is pulled away so that it makes a 57 degrees angle with respect to the vertical and then released. a) What is the maximum angle the heavier ball will make with respect to the vertical after the collision? b) What is the maximum angle the lighter ball will make with respect to the vertical after the collision?
- A small, 150 g cart is moving at 1.70 m/s on a frictionless track when it collides with a larger, 5.00 kg cart at rest. After the collision, the small cart recoils at 0.890 m/s. Part A What is the speed of the large cart after the collision? Express your answer with the appropriate units. V= 00 Submit μA Value Request Answer Units ?Ⓒ Macmillan Learning Two particles approach each other with equal and opposite speed, v. The mass of one particle is m, and the mass of the other particle is nm, where n is just a constant factor. Snapshots of the system before, during, and after the elastic collision are shown. m V Before V What is the value of n? nm Collision V m,final m n = After the collision, the first particle moves in the exact opposite direction with speed 2.40v, and the speed of the second particle, Unm, final, is unknown. 68 After Incorrect nm nm,finalus Area ment Sharing ettings e Tools A 110 g block on a frictionless table is firmly attached to one end of a spring with k = 26 N/m. The other end of the spring is anchored to the wall. A 21 g ball is thrown horizontally toward the block with a speed of 5.7 m/s Part A If the collision is perfectly elastic, what is the ball's speed immediately after the collision? Express your answer to two significant figures and include the appropriate units. V = Submit Part B Az = Value μÅ Submit Part C Request Answer What is the maximum compression of the spring? Express your answer to two significant figures and include the appropriate units. μA → Value Units Request Answer Units Review | Constants
- Car 1 is traveling in the +x-direction at 10.0 m/s and Car 2 is stationary. Car 1 collides with, and sticks to, Car 2. Car 1 and Car 2 have masses of 995 kg and 1850 kg, respectively. You may ignore friction and other forces external to the system. a. Using the principle of conservation of momentum, find the velocity (magnitude and direction) of the combined system immediately after this perfectly inelastic collision. b. Find the fractional change in kinetic energy for this collision. In other words, determineAn air-track cart with mass m1=0.23kg and initial speed v0=0.95m/s collides with and sticks to a second cart that is at rest initially. Part A If the mass of the second cart is m2=0.53kg how much kinetic energy is lost as a result of the collision?A large raindrop--the type that lands with a definite splat--has a mass of 0.014 g and hits your roof at a speed of 8.1 m/s. Part A What is the magnitude of the impulse delivered to your roof? Express your answer with the appropriate units. J = Part B Fav = μA Value .0 If the raindrop comes to rest in 0.37 ms, what is the magnitude of the average force of the impact? Express your answer with the appropriate units. μA Units Value 2 ? Units ?
- Can you help me with this problem A 0.156 kg glider is moving to the right on a frictionless, horizontal air track with a speed of 0.900 m/sm/s. It has a head-on collision with a 0.291 kg glider that is moving to the left with a speed of 2.15 m/s Suppose the collision is elastic.Find the magnitude of the final velocity of the 0.156 kg glider in m/s. Find the magnitude of the final velocity of the 0.291 kg glider in m/sA 120 g ball moving to the right at 4.2 m/s catches up and collides with a 450 g ball that is moving to the right at 1.2 m/s. Part A If the collision is perfectly elastic, what is the speed of the 120 g ball after the collision? Express your answer to two significant figures and include the appropriate units. ► View Available Hint(s) V1 = Submit Part C μA Value Units ? If the collision is perfectly elastic, what is the speed of the 450 g ball after the collision? Express your answer to two significant figures and include the appropriate units. Review | Constantsn a carbon monoxide (CO) molecule, the distance between the oxygen atom and the carbon atom is 1.13 × 10-10 meters. The mass of an oxygen atom is 16 atomic mass units (amu) and the mass of a carbon atom is 12 amu. How far from the oxygen (O) atom is the center of mass of the molecule, in meters? Justify your answer using your equations and rationale used.