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Some people think a pendulum with a period of 1.00 s can be driven with "mental energy" or psycho kinetically, because its period is the same as an average heartbeat. True or not, what is the length of such a pendulum?

Some people think a pendulum with a period of 1.00 s can be driven with "mental energy" or psycho kinetically, because its period is the same as an average heartbeat. True or not, what is the length of such a pendulum?

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  1. Some people think a pendulum with a period of 1.00 s can be driven with "mental energy" or psycho kinetically, because its period is the same as an average heartbeat. True or not, what is the length of such a pendulum?

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Mindset is an idea proposed by Stanford University psychologist Carol Dweck based on her research in motivation and development. According to Dweck, people generally have a tendency to think with one of two different mindsets: a fixed mindset or a growth mindset. As you start this semester, it can be useful to think about some ideas and strategies that will help you to succeed. In these materials, we will describe some ideas about motivation, based on cutting-edge research, and offer some suggestions for how to get the most out of Mastering and your course. Watch the following videos and answer the accompanying questions to learn more. Do You Have a Growth Mindset? Part A Which of the following describes a growth mindset, as opposed to a fixed mindset? 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A 0.00555−kg bullet traveling horizontally with a speed of 1.00×103 m/s enters a 20.0−kg door, embedding itself 20.0 cm from the side opposite the hinges as in the figure below. The 1.00−m-wide door is free to swing on its hinges. (a) Before it hits the door, does the bullet have angular momentum relative to the door's axis of rotation? Yes No Explain. This answer has not been graded yet. (b) Is mechanical energy conserved in this collision? Answer without doing a calculation. Yes No (c) At what angular speed does the door swing open immediately after the collision? (The door has the same moment of inertia as a rod with axis at one end.) rad/s (d) Calculate the energy of the door-bullet system. (Enter the kinetic energy of the door-bullet system just after collision.) J Determine whether the energy of the door-bullet system is less than or equal to the kinetic energy of the bullet before the collision. less than equal

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