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The position of an electron is given by 7 = 2.47tî - 2.92t² j + 5.38, with t in seconds and in meters. At t = 4.54 s, what are (a) the x-component, (b) the y-component, (c) the magnitude, and (d) the angle relative to the positive direction of the x axis, of the electron's velocity (give the angle in the range (-180°, 180°])? (a) Number i Units (b) Number i Units (c) Number i Units (d) Number i Units > >

The position of an electron is given by 7 = 2.47tî - 2.92t² j + 5.38, with t in seconds and in meters. At t = 4.54 s, what are (a) the x-component, (b) the y-component, (c) the magnitude, and (d) the angle relative to the positive direction of the x axis, of the electron's velocity (give the angle in the range (-180°, 180°])? (a) Number i Units (b) Number i Units (c) Number i Units (d) Number i Units > >

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The position of an electron is given by 7 = 2.47tî - 2.92t² j + 5.38, with t in seconds and in meters. At t = 4.54 s, what are (a) the x-component, (b) the y-component, (c) the magnitude, and (d) the angle relative to the positive direction of the x axis, of the electron's velocity (give the angle in the range (-180°, 180°])? (a) Number i Units (b) Number i Units (c) Number i Units (d) Number i Units > >
Transcribed Image Text:The position of an electron is given by 7 = 2.47tî - 2.92t² j + 5.38, with t in seconds and in meters. At t = 4.54 s, what are (a) the x-component, (b) the y-component, (c) the magnitude, and (d) the angle relative to the positive direction of the x axis, of the electron's velocity (give the angle in the range (-180°, 180°])? (a) Number i Units (b) Number i Units (c) Number i Units (d) Number i Units > >
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