Problem 33.1 Review Part A The earth's magnetic field strength is 5.0 x 10-5 T. 1 How fast would you have to drive your car to create a 1.0 V motional emf along your 1.2 m -long radio antenna? Assume that the motion of the antenna perpendicular to B. Express your answer to two significant figures and include the appropriate units. Value Submit Request Answer Provide Feedback ? Units