How long until the current reaches 63% of its maximum value in an rl circuit if the resistor is 6 ohms and the inductor is 2.1 henrys? -

According to social exchange theory, altruistic behaviors benefit the individual who performs them.

You are driving directly behind a pickup truck, going at the same speed as the truck. a crate falls from the bed of the truck to the road. (a) will your car hit the crate before the crate hits the road if you neither brake nor swerve? (b) during the fall, is the horizontal speed of the crate more than, less than, or the same as that of the truck?

Most of the volume of an atom is occupied by the