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An advanced (but still passive) metal detector induces a "response" field in a lost coin at the
beach. The response field happens because:
a. $E · ƏA =
b. $B· JA = 0
c. $E· a :
at
ade
d. $B · al = µo(1 + €,)
at

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Use the following constants if necessary. Coulomb constant, k = 8.987 × 10° N - m² /C2. Vacuum permitivity, €o = 8.854 x 10-12 F/m. Magnetic Permeability of vacuum, lo = 12.566370614356 x 10-7 H/m. Magnitude of the Charge of one electron, e = -1.60217662 × 10-19 C. Mass of one electron, me = 9.10938356 x 10-31 kg. Unless specified otherwise, each symbol carries their usual meaning. For example, µC means micro coulomb Observer(A) is in a stationary frame S and anoher ovserver(B) in frame S' moving along +x axis from S frame. A measures the duration between two events in S frame be 10 seconds. What is the duration of the two events as measured by B in S' frame. Relative speed v = 0.4C Time measured iby B Give your answer up to at least three significance digits. Sec