Acapacitor c is connected in series with a resistor r across a battery and an open switch. if a second capacitor of capacitance 2c is connected in parallel with the first one, the time constant of the new rc circuit will be

Identify the type of synthetic material used in each object

The desk has a weight of 75 lb and a center of gravity at g. determine the initial acceleration of a desk when the man applies enough force f to overcome the static friction at a and b. also, find the vertical reactions on each of the two legs at a and at b. the coefficients of static and kinetic friction at a and b are ms = 0.5 and mk = 0.2, respectively

Which of the following is an example of units for speed