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mezya [45]
3 years ago
7

Rebecca is learning to play cello and is highly motivated. She is confident that she can learn cello easily and with great abili

ty because she already knows how to play violin. From Mischel’s perspective, Rebecca’s attitude is best explained by which variable?
Physics
1 answer:
Andrej [43]3 years ago
6 0
<span>Rebecca is learning to play cello and is highly motivated. She is confident that she can learn cello easily and with great ability because she already knows how to play violin. From Mischel’s perspective, Rebecca’s attitude is best explained by the expectancies variable. </span>Expectancy<span> is the belief that increased effort will lead to increased performance </span>
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The y-component of the acceleration is 0.28 m/s^2

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t is the time elapsed

Here we have:

  • Initial velocity is u=2.25 m/s at \theta_1=50.0^{\circ}, so its y-component is u_y = u sin \theta_1 = (2.25)(sin 50.0^{\circ})=1.72 m/s
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The time elapsed is

t = 8.33 s

Therefore, the y-component of the acceleration is

a_y = \frac{4.03-1.72}{8.33}=0.28 m/s^2

Learn more about acceleration:

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