in a state of mind that prevents normal perception, behavior, or social interaction; seriously mentally il
Using the equation for period length, you get an answer of about 4.1 seconds.
R = U : I. U is in Voltage and I is in Ampère. That gives you R = 36 : 8 = 4,5 Ohm
Speed can never be negative because it does not depend in which direction the car moves whereas, velocity will change if a car turns from due North to East.
Quantities which can be described only by their magnitudes are called scalars and those which are described by both, magnitude and direction are vectors
