Describing Energy Transformations
This activity will help you meet this educational goal:
You...
Physics, 18.03.2021 02:30 LindaCat78
Describing Energy Transformations
This activity will help you meet this educational goal:
You will write an explanation of a process using precise language and vocabulary.
Directions
Read the instructions for this self-checked activity. Type in your response to each question, and check your answers. At the
end of the activity, write a brief evaluation of your work.
Activity
In this activity, you will analyze some events and describe the energy transformations that take place.
Part A
A battery powers a circuit for a small noisy fan. The fan's motor gets warm as it turns. What energy transformations are
taking place?
Answers: 3
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Aparticle moves in the xy plane with constant acceleration. at time zero, the particle is at x = 6 m, y = 8.5 m, and has velocity ~vo = (9 m/s) ΛΔ± + (β2.5 m/s) ΛοΎ . the acceleration is given by ~a = (4.5 m/s 2 ) ΛΔ± + (3 m/s 2 ) ΛοΎ . what is the x component of velocity after 3.5 s? answer in units of m/s.
Answers: 1
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Aperson gives a shopping cart an initial push along a horizontal floor to get it moving, and then lets go. the cart travels forward along the floor, gradually slowing as it moves. consider the horizontal force(s) on the cart while it is moving forward and slowing. which of the following statements is correct? (a) both a forward and a backward force are acting on the cart, but the forward force is larger. (b) only a forward force is acting which diminishes with time. (c) both a forward and a backward force are acting on the cart, but the backward force is larger. (d) only a backward force is acting, no forward force.
Answers: 3
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Which lists the pairs of plates in order from least to greatest in terms of the work done to move the electron?
Answers: 2
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