An incredible amount of electrical energy passes down the funnel of a large tornado every second. Measurements taken in Oklahoma at a distance of 9.00 km from a large tornado showed an almost constant magnetic field of 1.50 10-8 T associated with the tornado. What was the average current going down the funnel? (0 = 4p 10-7 Tm/A)
a. 450 A
c. 950 A
b. 1500 A
d. 675 A
Question 2
The position of a 0.64-kg mass undergoing simple harmonic motion is given by x = (0.160 m) cos (pt/16). What is its position at t = 6.0 s?
a. 0.160 m
c. 0.061 m
b. 0.159 m
d. 0.089 m
(a) Large buttress roots in a tropical rain forest
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