A 2 kg apple is at rest on the floor at the bottom of a staircase. How much work would be necessary to bring that apple up to the top of the staircase which is 8 meters high? Answers:
16.0 J
160 J
64.0 J
640

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The duration of a photographic flash is related to an rc time constantly

The disturbance in a transverse wave is perpendicular to the wave motion.unlike a transverse wave, the disturbance in a longitudinal wave is parallel to the wave motion (a), that is, back and forth.

Following the american gauge wire standards ,the larger gauge number, the slimmer the wire and thus the smaller current carrying capacity it can have.then both statements would be incorrect, as they are saying the opposite of what it is actually is.(smaller gauge numbers have thicker wires and can carry more current)