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Physics

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Jaunita Hand

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Cards in this guide (7)
A loop with a break in it that prevents current from flowing is called

an open circuit.

The ratio of output force to input force for a simple machine is called its advantage

The answer is mechanical advantage, not efficiency!

A motorcycle slows down from 40 ms to 20 ms If this takes 4 seconds what is the motorcycle's acceleration

-5 m/s2

What is the potential energy of a 20 kg safe sitting on a shelf 05 meters above the ground

19.6 j

Which of the following are vectors speed force mass displacement time velocity energy momentum

force velocity displacement energy (has to have magnitude and direction)

Which of the following is not a mechanical wave' a transverse a longitudinal or a electromagnetic

An electromagnetic wave is not a mechanical wave.

If an object sinks in water its density is less than that of water true or false

false- apex

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