Use your knowledge of the velocities and changes in velocities to construct momentum vectors and change in momentum vectors for the blocks. Also draw a final momentum vector for each block corresponding to the same small time interval as in part C. Show the correct relative magnitudes.
Explain how you determined these vectors.
How would
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- Three cubes, of side Lo, 2Lo, and 3Lo, are placed next to one another (in contact) with their centers along a straight line as shown in (Figure 1). Part A What is the position, along the line z, of the CM of this system? Assume the cubes are made of the same uniform material and that rCM İs measured from the left edge of the smallest cube. Express your answer in terms of Lo. Figure Provide Feedback 3Larrow_forwardPart C Also, find the vertical reactions at the rollers B. Express your answer to three significant figures and include the appropriate NB = 4 Value Units ?arrow_forward1. What are the equations for linear momentump and kinetic energy K? Please define the variables. 2. Please define concisely and in your own words the concept of conservation. Describe conservation of momentum and kinetic energy. 3. Briefly describe the difference between elastic and inelastic collisions and give an example of each. Describe these collisions in terms of the kinetic energy and momentum. 4. A moving object collides with and sticks to a stationary object. Do the combined objects move slower, faster or at the same speed as the original moving object? 5. What is the expected value of the ratio of the final and initial momenta, pf/p; ?arrow_forward
- The block's displacement (or change in position) in reference frame R during the period AL * is either upward, downward, or equal to zero? Explain. (Use the velocity arrow from section c.i. to guide your response.) Does the block have an upward, downward, or no net force? Explain. Use the acceleration arrow from section c.i. to help you answer this question: Is the net force doing more work on the block than it is taking off? Explain. Based on your responses to the preceding two questions, how would you answer this question? Test to see whether you've answered section c.iii correctly in terms of net force work done on the block.arrow_forwardProblems 1. A particle of mass m has an initial momentum vector p, = mv, as shown. After being given a sharp blow, the particle has a final momentum vector p, = mv,. Draw on the figure a vector representing the impulse J that must have been delivered to the particle by the sharp blow. Explain your reasoning. 2° mv 1 mv2arrow_forwarda.) If an object is already moving and you applied another force parallel to it and with the same direction, does this mean that another counter force will be generated? Explain. b.) Considering question (a), what if you applied a force lower than the force of momentum (and gravity, etc.) on the object, will it generate a counter force? Explain. c.) On our activity, pushing the object at rest generates a counter force. How is this?arrow_forward
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- Do as instructed:a. Simulate m1 = m2 with their respective velocities v1 = v2. Take a screenshot of the simulation. Explain the collision, reaction, and motion of the two masses.Here is the direct link to the simulator - https://ophysics.com/e2.htmlarrow_forwardTwo small metal cubes with masses 2.0 g and 4.0 g are tied together by a 4.7-cm-long massless string and are at rest on a frictionless surface. Each is charged to +1.9 μC. Part A What is the energy of this system? Express your answer in joules. ▸ View Available Hint(s) Emech = Submit Part B T= - ΑΣΦ VO What is the tension in the string? Express your answer with the appropriate units. ► View Available Hint(s) Submit Ti μà ↑ 1 Value Units ? ?arrow_forwardPart A A package of mass m is released from rest at a warehouse loading dock and slides down a 3.0-m-high frictionless chute to a waiting truck. Unfortunately, the truck driver went on a break without having removed the previous package, of mass 2m, from the bottom of the chute as shown in (Figure 1) Suppose the packages stick together. What is their common speed after the collision? Express your answer in meters per second. ΑΣφ ? V = m/s Submit Request Answer redo Part B Suppose the collision between the packages is elastic. To what height does the package of mass m rebound? Express your answer in centimeters. ? h = cm Submit Request Answer Provide Feedback Next > Figure 1 of 1 3.0 m 2m P Pearson Copyright © 2022 Pearson Education Inc. All rights reserved. I Terms of Use Privacy Policy I Permissions Contact Usarrow_forward
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