Constants A conducting rod with length 0.213 m , mass 0.100 kg , and resistance 83.5...
Constants A conducting rod with length 0.213 m , mass 0.100 kg , and resistance 83.5 Ω moves without friction on metal rails as shown in the following figure(Figure 1). A uniform magnetic field with magnitude 1.50 T is directed into the plane of the figure. The rod is initially at rest, and then a constant force with magnitude 1.90 N and directed to the right is applied to the bar.How many seconds after the force is applied does the bar reach a speed of 25.2 m/s ?
Homework Answers
a = F / m = 1.90 / 0.100 = 19 m/s2
s = v2 / 2 a = 25.22 / (2 * 19) = 16.71 m
s = 1/2 a t2
16.71 = 1/2 * 19 * t2
t = 1.33 s
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Constants A conducting rod with length 0.213 m , mass 0.100 kg ,
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