Why might you use more electrical energy in one month compared to another month?

Hey

it would be because the month is longer, or there is more of a demand for energy that month (heater, refrigeration, lights etc.)

the duration of a photographic flash is related to an rc time constant, which is 0.100 μs for a certain camera.

the tires are rotating at 0.434 rpmlinear speed=45 m/sdiameter=0.550 mradius=0.275 mnow v= rωω= v/rω=45/0.275ω=163.6 rad/sω=163.6 rad/s (1rev/2π rad) (60s/1m)ω=1563 rpm