A circuit is constructed with four resistors, one capacitor, one battery and a switch as shown. The values for the resistors are: R, = R2 = 42 N, R3 = 71 0 and R4 = 156 O. The capacitance is C = 50 µF and the battery voltage is V = 12 V. The positive terminal of the battery is indicated with a + sign. R. R, V 1) The switch has been open for a long time when at time t = 0, the switch is closed. What is l4(0), the magnitude of the current through the resistor R4 just after the switch is closed? 0.0534 A Submit 2) What is Q(-), the charge on the capacitor after the switch has been closed for a very long time? 158.35 uc Submit After the switch has been closed for a very long time, it is then opened. What is Q(topen), the charge on the capacitor 3) at a time topen = 741 µs after the switch was opened? 99.124 uc Submit Your submissions: 99.124 Computed value: 99.124 Submitted: Monday, March 8 at 10:31 PM Feedback: 4) What is lc,max(closed), the current that flows through the capacitor whose magnitude is maximum during the time when the switch is closed? A positive value for the current is defined to be in the direction of the arrow shown. A Submit 5) What is Ic,max(open), the current that flows through the capacitor whose magnitude is maximum đuring the time when the switch is open? A positive value for the current is defined to be in the direction of the arrow shown. A Submit

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Relativistic Energy and Momentum

According to classical physics, time flow is the same for every observer. But according to einstein's theory, time flow is different for different observers. The idea that time flow is not the same for all may sound strange because we may not experience this effect in everyday life. This effect is only observed when an object moves with some velocity comparable to the velocity of light. This velocity is termed relativistic velocity.