Who is most likely suffering from retrograde amnesia?

Two point charges are located on the x-axis. Charge q1 = 6 uC is located at the origin and charge q2 = -3 uC is located at x = 2 m.  Find the magnitude of the force  that a 2 uC charge would experience if it were placed at y = 1 m on the y-axis (point (0,1)). (This is the same setup as last question)

Four-year-old Carla is playing a memory game with her mother. She proudly states she can easily remember where all 20 matching cards are. Carla is over confident about her perfect memory abilities because of her inadequate ___________.

A 3 uC charge is traveling with a velocity of 3 x 103 m/s in a uniform magnetic field .  The velocity is directed at an angle of 300 with respect to the magnetic field and the field has a magnitude of 0.8 T.  What is the magnitude of the magnetic force?

Two charged parallel plates are separated by 2 cm. The plates are charged and create a uniform electric field of 600 N/C between the plates. What is the potential difference between the plates?  

A long wire is carrying a current of 3 A a.  Calculate the magnitude of the magnetic field at point is a distance of 15 cm from the wire.

A 2.0-μF capacitor is charged to 12 V and then discharged through a 4.0 × 106 Ω resistor.  How long will it take for the charge on the capacitor to drop by 60% of its initial value ?

The power being delivered to a resistor is 0.800 W. The value of the resistor is 400 Ω. What is the voltage across the resistor?   

The power being delivered to a resistor is 0.800 W. The value of the resistor is 400 Ω. How much energy is delivered to the resistor in 2 minutes? 

In the below fig. the values of the resistances are 50 Ω for resistor A, 100Ω for resistor B, and 300 Ω for resistor C. The battery has a voltage V = 15 V. Find the current in resistor C.