The filament of a lightbulb is connected to a battery. answer for the condition and field 1/100th of a nanosecond after connecting it. condition: steady state / equilibrium neither net electric field: zero field 1 nonzero and constant field i changing field

Question part points submissions used suppose that 2 j of work is needed to stretch a spring from its natural length of 26 cm to a length of 36 cm. (a) how much work is needed to stretch the spring from 28 cm to 32 cm? (round your answer to two decimal places.)

Awind turbine is rotating counterclockwise at 0.5 rev/s and slows to a stop in 10 s. its blades are 20 m in length. (a) what is the angular acceleration of the turbine? (b) what is the centripetal acceleration of the tip of the blades at t=0s? (c) what is the magnitude and direction of the total linear acceleration of the tip of the blades at t=0s?

Ascientific blank must be testable and capable of being proven false?