As shown in the figure, a metal ball with mass m, is initially at rest on a horizontal, frictionless table. A second metal ball with mass m, moving with a speed 2.00 m/s, collides with m,. Assume m, moves initially along the +x-axis. After the collision, m, moves with speed 1.00 m/s at an angle of e = 48.0° to the positive x-axis. (Assume m, = 0.200 kg and m, = 0.300 kg.) After the collision y sin e Before the collision Vy cos e ey sin ø Show hidden (a) Determine the speed (in m/s) of the 0.300 kg ball after the collision. m/s (b) Find the fraction of kinetic energy transferred away or transformed to other forms of energy in the collision. JAK| K;
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- Consider two pool balls sliding frictionlessly across a pool table. Before the collision, ball 1 slides leftward at 2.0 m/s, and ball 2 is motionless. After the ”head-on” collision,ball 1 slides leftward at 0.50 m/s. Both balls have mass m = 0.10 kg. (a) What is thevelocity (speed and direction) of ball 2 after the collision? (b) During the collision, theballs heat up slightly. How many joules of ”dissipated” energy (e.g. heat and soundenergy) are generated during the collision?As shown in the figure, a wooden ball with mass m, is initially at rest on a horizontal, frictionless table. A second wooden ball with mass m, moving with a speed 2.00 m/s, collides with m,. Assume m, moves initially along the +x-axis. After the collision, m, moves with speed 1.00 m/s at an angle of e = 48.0° to the positive x-axis. (Assume m, = 0.200 kg and m, = 0.300 kg.) After the collision y sin e Before the collision Vif cos e Vaf Cos O f sin ø b (a) Determine the speed (in m/s) of the 0.300 kg ball after the collision. m/s (b) Find the fraction of kinetic energy transferred away or transformed to other forms of energy in the collision. JAK| %3D K;An pickup truck with mass 1.85 103 kg is traveling eastbound at +14.7 m/s, while a compact car with mass 8.55 102 kg is traveling westbound at -14.7 m/s. (See figure.) The vehicles collide head-on, becoming entangled. (a) Find the speed of the entangled vehicles after the collision. (b) Find the change in the velocity of each vehicle. Δvtruck= ? m/s Δvcar= ? m/s
- As shown in the figure, a metal ball with mass m2 is initially at rest on a horizontal, frictionless table. A second metal ball with mass m1 moving with a speed 2.00 m/s, collides with m2. Assume m1 moves initially along the +x-axis. After the collision, m1 moves with speed 1.00 m/s at an angle of ? = 50.0° to the positive x-axis. (Assume m1 = 0.200 kg and m2 = 0.300 kg.) (a) Determine the speed (in m/s) of the 0.300 kg ball after the collision. m/s (b) Find the fraction of kinetic energy transferred away or transformed to other forms of energy in the collision. |ΔK| / Ki =Car A and Car B are traveling in the same direction (call it ), with B behind A, and initial speeds vA=5.6 m/s, and vB = 6 m/s. The cars have identical mass m=103 kg, and they experience an elastic collision. Now, this collision is observed by a third person traveling in a car with constant velocity v=6 m/s, traveling in the same direction as the two cars. From the point of view of this person calculate the following: Find the initial momentum of car a and b Find the final momentum of car a and b Find the total kinetic energyDuring a circus act, a performer thrills the crowd by catching a cannon ball shot at him. The cannon ball has a mass of m1 = 8.5 kg and the horizontal component of its velocity is v = 8.25 m/s when the performer, of mass m2 = 70.5 kg, catches it. a)If the performer is on nearly frictionless roller skates, enter an expression for his recoil speed, in terms of the masses and initial speed. v' =
- In Figure (1), a 3.50 g bullet is fired horizontally at two blocks at rest on a frictionless table. The bullet passes through block 1 (mass 1.11 kg) and embeds itself in block 2 (mass 1.62 kg). The blocks end up with speeds v₁ = 0.600 m/s and v₂ = 1.50 m/s (see Figure (2)). Neglecting the material removed from block 1 by the bullet, find the speed of the bullet as it (a) leaves and (b) enters block 1. Frictionless (a) Number (b) Number Units Units (1) (2)A toy car having mass m = 1.20 kg collides inelastically with a toy train of mass M = 3.90 kg. Before the collision, the toy train is moving in the positive x-direction with a velocity of Vi = 2.30 m/s and the toy car is also moving in the positive x-direction with a velocity of vi = 4.90 m/s. Immediately after the collision, the toy car is observed moving in the positive x-direction with a velocity of 2.05 m/s. (a) Determine Vf, the final velocity of the toy train.m/s(b) Determine the change ΔKE in the total kinetic energy. Assume friction and the rotation of the wheels are not important so that they do not affect ΔKE. J Question 6.1b:A block with mass M = 5.50 kg is sliding in the positive x-direction at Vi = 8.85 m/s on a frictionless surface when it collides elastically in one dimension with a stationary block with mass m = 1.30 kg. Determine the velocities, Vf and vf, of the objects after the collision. Vf = m/s vf = m/sDuring a circus act, a performer thrills the crowd by catching a cannon ball shot at him. The cannon ball has a mass of m1 = 8.5 kg and the horizontal component of its velocity is v = 8.25 m/s when the performer, of mass m2 = 70.5 kg, catches it. a)If the performer is on nearly frictionless roller skates, enter an expression for his recoil speed, in terms of the masses and initial speed. b)What is his recoil speed, in meters per second?
- As shown in the figure, a wooden ball with mass m₂ is initially at rest on a horizontal, frictionless table. A second wooden ball with mass m₁ moving with a speed 2.00 m/s, collides with m₂. Assume m₁ moves initially along the +x-axis. After the collision, m₁ moves with speed 1.00 m/s at an angle of 0 = 53.0° to the positive x-axis. (Assume m₁ = 0.200 kg and m₂ 0.300 kg.) a my = Before the collision Vi mq b After the collision (a) Determine the speed (in m/s) of the 0.300 kg ball after the collision. m/s "If sin 0 Vof sin o Vif cos Fif Vof Cosp 2f (b) Find the fraction of kinetic energy transferred away or transformed to other forms of energy in the collision. |AK| K₁ =Car A and Car B are traveling in the same direction (call it i^), with B behind A, and initial speeds vA=5.6 m/s, and vB = 6 m/s. The cars have identical mass m=103 kg, and they experience an elastic collision. Now, this collision is observed by a third person traveling in a car with constant velocity v=6 m/s, traveling in the same direction as the two cars. From the point of view of this person calculate the following: 1)The initial momentum of car A. 2)The initial momentum of car B. 3)The final momentum of car A (you might want to first calculate the final velocity of car A relative to the ground). 4)The final momentum of car B (you might want to first calculate the final velocity of car B relative to the ground). 5)The total final kinetic energy: 6)The total final kinetic energy as measured from the ground. 7)Based on the previous answers and your calculations of the total initial kinetic energy, does the third person conclude that the collision is:As shown in the figure, a billiard ball with mass m, is initially at rest on a horizontal, frictionless table. A second billiard ball with mass m, moving with a speed 2.00 m/s, collides with m,. Assume m, moves initially along the +x-axis. After the collision, m, moves with speed 1.00 m/s at an angle of 0 = 54.0° to the positive x-axis. (Assume m, = 0.200 kg and m, = 0.300 kg.) After the collision y sin e Before the collision Py cos e Va cos o y sin o (a) Determine the speed (in m/s) of the 0.300 kg ball after the collision. m/s (b) Find the fraction of kinetic energy transferred away or transformed to other forms of energy in the collision. JAK|