Current flowing in a circuit depends on two variables. identify these variables and their relationship to current. a) current is proportionate to the conductance of the circuit and precisely proportional to the voltage applied across the circuit. b) current is conversely proportional to the electrical tension of the circuit and corresponds to the resistance across the circuit. c) current is inversely proportional to the resistance of the circuit and directly proportional to the voltage applied across the circuit. d) current is commensurate to the resistance of the circuit and directly proportional to the electric pressure applied across the circuit.

Askydiver weighing 140 lb (including equipment) falls vertically downward from an altitude of 19,000 ft and opens the parachute after 18 s of free fall. assume that the force of air resistance, which is directed opposite to the velocity, is of magnitude 0.55|v| when the parachute is closed and is of magnitude 14|v| when the parachute is open, where the velocity v is measured in ft/s. assume that acceleration due to gravity has magnitude 32 ft/s/s; remember that weight is the product of mass and gravitational acceleration. (a) find the speed of the skydiver when the parachute opens. (b) find the distance fallen before the parachute opens. (c) what is the limiting velocity vl after the parachute opens? (d) determine how long the sky diver is in the air after the parachute opens. (e) plot the graph of velocity versus time from the beginning of the fall until the skydiver reaches the ground.

A- a of 8.00 cm a of 34.0 nc. a , -, a of 25.0 nc is on of a of 15.0 cm .be toto aof ? a) b) c) j d) e)

What is the speed of an object at a given moment?