Explain the advantage of fixed pulley?
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What is an electron?
What is reverberation?
Explain the Liquids ?
how does a medicine is filled in dropper
The throbbing caused by sounds of slightly different frequencies that results because of periodic constructive and destructive interference is called:
what is the importance of frequency?
why does a drop of water thrown into a hot frying pan jump around?
What is the opaque?
What is the melting point of copper?
Will a dc motor actually produce voltage if it is spun in reverse?
Why a pen used for writing with ink is always split as its pointed end?
When a radar gun says the pitch is 90 miles per hour at what point in the balls travel to home plate is the radar gun measuring the velocity?