When the switch is closed in the above circuit, what is the voltage on the resistor R1 and R2 after 2.2 us, assuming 0 volts on the inductor to start? Also, what is the voltage on the inductor at this instance?

Abatter hits a 0.140-kg baseball that was approaching him at 30 m/s and, as a result, the ball leaves the bat at 40 m/s in the reverse of its original direction. the ball remains in contact with the bat for 2.0 ms. what is the magnitude of the average force exerted by the bat on the ball?