Once the Interactive opens, resize it as desired. Select the Elastic Collisions option. Experiment with changing the Mass and the Initial Velocity of the two carts. Observe how the position of the carts along the track can be changed by dragging. Learn to Start, Pause, and Reset the animation. Collision 1: Blue Cart Initially at Rest Set the initial blue cart velocity to 0 m/s. Set the mass values to different values. Run the simulation and record the mass and velocity values. Before Collision After Collision vred = ______ m/s vred = ______ m/s vblue = ______ m/s mRed = ______ kg mBlue = ______ kg Use mass and velocity values to complete the following momentum table. Before Collision After Collision ?Momentum Red Cart ______ kg x ______ m/s = ______ kg•m/s ______ kg x ______ m/s = ______ kg•m/s Blue Cart ______ kg x ______ m/s = ______ kg•m/s ______ kg x ______ m/s = ______ kg•m/s System Total
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Step 1:** Given data: Initial velocity of blue cart, \(V_{blue} = 0 \, m/s\) Mass of red cart, \(m_{red} = 100 \, kg\) Mass of blue cart, \(m_{blue} = 100 \, kg\) ** Show more…
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Collision 2: Blue Cart Moving Slower than the Red Cart Set the initial blue cart velocity to less than the red cart velocity. Position the blue cart in the middle of the track. Use different mass values. Run the simulation and record the mass and velocity values. Before Collision After Collision Use mass and velocity values to complete the following momentum table: Before Collision After Collision Red Cart kg*m/s kg*m/s Blue Cart kg*m/s kg*m/s System Total
Sri K.
Timothy J.
(a) Three carts of masses $m_{1}=4.00 \mathrm{kg}, m_{2}=10.0 \mathrm{kg}$ and $m_{3}=3.00 \mathrm{kg}$ move on a frictionless, horizontal track with speeds of $v_{1}=5.00 \mathrm{m} / \mathrm{s}$ to the right, $v_{2}=3.00 \mathrm{m} / \mathrm{s}$ to the right, and $v_{3}=4.00 \mathrm{m} / \mathrm{s}$ to the left as shown in Figure P9.25. Velcro couplers make the carts stick together after colliding. Find the final velocity of the train of three carts. (b) What If? Does your answer in part (a) require that all the carts collide and stick together at the same moment? What if they collide in a different order?
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