A series circuit with two resistors is shown
below.
At which two points should a voltmeter be
connected to measure the voltage of the circuit?

-points Y and Z
-points W and X
-points X and Y
-points W and Z

3.2x10^7

the motion of a pendulum is a classic example of mechanical energy conservation. a pendulum consists of a mass (known as a bob ) attached by a string to a pivot point. as the pendulum moves it sweeps out a circular arc, moving back and forth in a periodic fashion.

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explanation: