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physics task?

ByBoB71673

Hello, I got a homework question in physics that I don't understand. It says: An old car needs 9.8 seconds to go from zero to 100 km/h. a. What is the acceleration of this car? Can someone help me? An explanation of how to find the solution would be best. Thank you in advance.

Is the negative pole of a coil on the north pole side or the south pole side?

ByverreisterNutzer

In physics, we're currently studying the right rule of thumb, and that's also about finding the technical direction of current. The thumb points toward the negative pole, but what if it doesn't say plus or minus, but north or plus? Are the north pole and the negative pole at the same end? Or is it…

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evtldocha
evtldocha
1 year ago

Power = work W (energy) per time. Formula

The work that has been done corresponds to the potential energy that is reached after climbing up on the rope:

Paulina:

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