r in meters. At t-4.59 s, what are (a) the x-component, (b) r = 6.76i 7.43 + 6.8
ID: 1329626 • Letter: R
Question
r in meters. At t-4.59 s, what are (a) the x-component, (b) r = 6.76i 7.43 + 6.84k , with t in seconds and The position of an electron is given by (give the angle in the range the y-component, (c) the magnitude, and (d) the angle relative to the positive direction of the x axis, of the electron's velocity -1800, 180°1) (a) Number 6.76 (b) Number-68.2074 (c) Number 68.467 (d) Number 280.5 Click if you would like to Show Work for this question: Open Show Work Units | m/s Units / Units m/s Units m/s Units T o (degrees)Explanation / Answer
2nd Question :
intial angle = 5 deg
use X = Vo cos theta t
so t = (12/(27.2 cos 5)
t = 0.4428 secs
height reached in 0.44 secs is Y = Yo + Vo sin5 t + 0.5 at^2
Y = (2.46) + (22.7 * sin 5* 0.44) - (4.9 * 0.44* 0.44)
Y = 2.38 m
since net is only 0.9 m
Height the ball clears is (2.38 - 0.9) = 1.48 m
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