PSS 28.1 Conservation of Energy in Charge Visualize Interactions Part A Learning

Question

PSS 28.1 Conservation of Energy in Charge Visualize Interactions Part A Learning Goal: which of the following quantities are unknown? To practice Problem-Solving Strategy 28.1 for charge interaction problems. F. final speed of the alpha particle A. initial separation of the particles G. mass of the proton B. final separation of the particles A proton and an alpha particle are momentarily at H. mass of the alpha particle C. initial speed of the proton rest at a distance r from each other. They then D. initial speed of the alpha particle I. charge of the proton begin to move apart. Find the speed of the proton E. final speed of the proton J. charge of the alpha particle by the time the distance between the proton and the alpha particle doubles. Enter the letters of all the correct answers in alphabetical order. Do not use commas. For instance, if A, C, and D are unknowns, enter ACD. Both particles are positively charged. The charge and the mass of the proton are, respectively, e and FDA m. The charge and the mass of the alpha particle are, respectively, 2e and 4m. Submit My Answers Give U incorrect; Try Again; 4 attempts remaining

Explanation / Answer

Here, we don't know initital separation of the particles, ie., r(unknown)

Since initial separation are unknown, hence final separation is also unknown bcoz it is 2r.

Initial speed of proton and alpha particles is also unknown.

Final speed of proton and alpha particle is have to calculate.

Charge and mass of alpha particle and proton is known.

Hence answer is:- ABEF

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