3 years ago

Witch device uses AC current to operate

Physics

1 answer:

ololo11 [35]3 years ago

7 0

Answer:

Depending on the locomotive, it can use steam, batteries or a diesel engine.

A car uses a DC battery to start it and an internal combustion engine to run it (unless it is an electric car, then it uses DC batteries.

A portable media player can use either a/c or a battery.

A flashlight uses DC batteries.

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Well as the height and wind increase so does the kinetic energy it's like when you fall as you are about to hit the floor you speed increases

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3 years ago

(m = 4.0 kg) the cockroach rides on the rim (at radius R) of a disk (M = 6.0 kg) that turns about its center like a merry-go-rou

kvasek [131]

Answer:

ω' = 2.5 rad/s

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mass of cockroach, m = 4 kg

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I ω = I' ω'

$\frac{1}{2}\left ( M+m \right )R^{2}\times {2} = \left (\frac{1}{2}MR^{2}+m(0.5R)^{2}) \right )\omega '$

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