In the circuit below, R=8.5 kΩ and C=12 μF. Initially, the switch is open with the capacitor charged to a voltage of 100 V. The switch is then closed at time t = 0.00 s. What is the current in the circuit when the charge on the capacitor is 620 C?

Work out sian speed for the first 30 minutes of her journey. give your answer in km/h.

Why is the energy that results from a roller coaster's position at the top of a hill referred to as potential energy?

Which type of reaction is shown in this energy diagram? energy products activation energy reactants time o a. endothermic, because energy is released to the surroundings o b. exothermic, because energy is absorbed from the surroundings o c. exothermic, because energy is released to the surroundings o d. endothermic, because energy is absorbed from the surroundings