On July 8th, I will be 8.51472x10 8 seconds old. How old will I be in years?

By what factor does the drag force on a car increase as it goes from 65 to 110 km/h?

Three resistors are connected in series across a 15-v power supply. if the potential drops across resistors 1 and 2 are 4.1 volts and 3.1 volts, what is the exact potential drop (in volts) across resistor 3?

Acar of mass 800kg is moving at a speed of 2.2m/s.