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- A 15,000[kg] railroad car A traveling at a speed of 24.0 [m/s] strikes an identical car B at rest. If the cars lock together as a result of the collision, what is their common speed just afterward? Please give your answer in units of m/s, however, do not explicitly include units when typing your answer into the answer box. Including actual units will result in your answer being incorrectly scored.A block with mass m1 = 0.450 kg is released from rest on a frictionless track at a distance h1 = 2.65 m above the top of a table. It then collides elastically with an object having mass m2 = 0.900 kg that is initially at rest on the table, as shown in the figure below. (a) Determine the velocities of the two objects just after the collision. (Assume the positive direction is to the right. Indicate the direction with the signs of your answers.) v1 = m/s v2 = m/s (b) How high up the track does the 0.450-kg object travel back after the collision? m(c) How far away from the bottom of the table does the 0.900-kg object land, given that the height of the table is h2 = 1.50 m? m(d) How far away from the bottom of the table does the 0.450-kg object eventually land? mThis is a two-dimensional version of a conservation-of-momentum problem. Now we will have to keep track of both the x and y components of the momentum of each object in the system. (Figure 1) shows two chunks of ice sliding on the surface of a frictionless frozen pond. Chunk A, with mass mA=5.0kg, moves with initial velocity vA,i=2.0m/s parallel to the x axis. It collides with chunk B, which has mass mB=3.0kg and is initially at rest. After the collision, the velocity of A is found to be vA,f=1.0m/s in a direction at an angle α=30∘ with the initial direction (Figure 2). What is the final velocity of B (magnitude and direction)? PART A. b)If chunk B has an initial velocity of magnitude 1.6 m/s in the +y direction instead of being initially at rest, find the final magnitude of its velocity. c)Using Part A, find the final direction of the velocity.
- Pr6. A 5 kg mass moving with the speed 5 m/s collides with 4 kg mass moving with the speed 8 m/s as shown on the diagram below. After the collision, the two masses stick together and mov with velocity u. Find u.Agent Arlene devised the following method of measuring the muzzle velocity of a rifle (the figure below). She fires a bullet into a 4.269-kgkg wooden block resting on a smooth surface, and attached to a spring of spring constant kkk = 162.9 N/mN/m . The bullet, whose mass is 7.870 gg, remains embedded in the wooden block. She measures the maximum distance that the block compresses the spring to be 9.460 cmcm . What is the speed vv of the bullet?Determine: a) magnitude of final velocity u2 of m2 after collision b) direction of motion B (beta) of m2 after collision c) total kinetic energy of this system before collision d) was this collision between these two masses elastic or inelastic? pls explain why.. for me to understand well. *pls answer with complete solution *THREE decimal places all final answers *provide a diagram (if applicable) * enclose all final answers with a box. **pls help me solve this as for my preparation/review on upcoming test. thank you so much
- Mechanic Physics: Please make sure this is right In the figure, a ball of mass m = 56 g is shot with speed vi = 23 m/s (in the negative direction of an x axis) into the barrel of a spring gun of mass M = 263 ginitially at rest on a frictionless surface. The ball sticks in the barrel at the point of maximum compression of the spring. Assume that the increase in thermal energy due to friction between the ball and the barrel is negligible. (a) What is the speed of the spring gun after the ball stops in the barrel? (b)What fraction of the initial kinetic energy of the ball is stored in the spring?Please make sure this is right!!! Mechanic Physics: In the figure here, a stationary block explodes into two pieces L and R that slide across a frictionless floor and then into regions with friction, where they stop. Piece L, with a mass of 2.8 kg, encounters a coefficient of kinetic friction μL = 0.34 and slides to a stop in distance dL = 0.41 m. Piece R encounters a coefficient of kinetic friction μR = 0.44 and slides to a stop in distance dR = 0.45 m. What was the mass of the block?A 6.58 g pellet is shot horizontally from a BB gun at a speed of 23.8 m/s into a 26.3 g wooden block. The wooden block is attached to a spring and lies on a frictionless table. If the collision is inelastic and the spring constant k = 27.0 N/m, what is the maximum compression of the spring?
- Block A with a mass of 2kg is moving to the right at 5m/s. It collides with block B with a mass of 3kg moving at 1m/s to the left. A. What is the total momentum before collision? magnitude: direction: B. What is the total momentum after collision? magnitude: direction: C. If collision is perfectly inelastic, what is their velocity after collision? magnitude: direction: D. If block A stops moving, what is the velocity of block B? magnitude: direction: E. What is the coefficient of restitution if block A stops moving after collision with block B?how do i solve this problem,p=mv(solve for the momentum of each system mass,skater=120lbs mass of skate board=5kg s=50mphNext up on this adventure, shooting bullets into conveniently shaped pendulum systems to have a setup for a ballistic pendulum. In this case, a projectile, (m = 0.50kg) is fired into a large block of wood of mass (m = 20 kg) suspended like a pendulum. As a result of this inelastic collision, the pendulum and projectile together swing up to a height of 10m. What was the initial speed of the bullet? Group of answer choices