For Question 3 through 10, give a specific example of a system with the energy t

Question

For Question 3 through 10, give a specific example of a system with the energy transformation show. In these questions, W is the work done on the system, and K, U, and E_th are the kinetic, potential, and thermal energies of the system, respectively. Any energy not mentioned in the transformation is assumed to remain constant; if work is not mentioned, it is assumed to be zero. W rightarrow K W rightarrow U K rightarrow U K rightarrow W U rightarrow K W rightarrow Delta E_th U rightarrow Delta E_th K rightarrow Delta E_th A ball of putty is dropped from a height of 2 m onto a hard floor, where it sticks. What object or objects need to be included within the system if the system is to be isolated during this process? A0.5 kg mass on a 1-m-long string swings in a circle on a horizontal, frictionless table at a steady speed of 2 m/s. How much work does the tension in the string do on the mass during one revolution? Explain. Particle A has less mass than particle B. Both are pushed forward across a frictionless surface by equal forces for 1s. Both start from rest. a. Compare the amount of work done on each particle. That is, is the work done on A greater than, less than, or equal to the work done on B? Explain. b. Compare the impulses delivered to particles A and B. Explain. c. Compare the final speeds of particles A and B. Explain. Puck B has twice the mass of puck A. Starting from rest, both pucks are pulled the same distance across frictionless ice by strings with the same tension.

Explanation / Answer

11) here the ball of putty and the earth are included in the system.

The total momentum of the ball of putty and the earth is conserved.

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