A proton, which moves perpendicular to a magnetic field of 0.60 T in a circular path of radius 0.080 m, has what speed? (qp = 1.6 10-19 C and mp = 1.67 10-27 kg)
a. 9.2 106 m/s
c. 9.6 106 m/s
b. 4.6 106 m/s
d. 3.4 106 m/s
Question 2
An ideal fluid, of density 0.90 103 kg/m3, flows at 12 m/s through a level pipe with radius of 0.50 cm. The pressure in the fluid is 1.3 105 N/m2 . This pipe connects to a second level pipe with a radius of 1.5 cm. Find the speed of flow in the second pipe.
a. 54 m/s
c. 0.67 m/s
b. 1.3 m/s
d. 0.33 m/s
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