Acapacitor is being charged from a battery and through a resistor of 10 kω. it is observed that the voltage on the capacitor rises to 80% of its maximal value in 4 seconds. calculate the capacitor's capacitance.

The pilot of a helicopter hovers at an altitude of 1200 feet over a park. the angle of depression to the base of a statue is 17 degrees. the angle of depression to the nearest park exit, in line with the statue, is 14 degrees. to the nearest foot, what is the distance from the statue to the exit?