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1131 questions found
A body drops from 10m, it will hit the ground in
- square_root(5 seconds).
- square_root(4 seconds).
- square_root(2 seconds).
What formula is used for this?
A 10:1 step up power transformer has 120 V, and 3A flowing through the primary, and 0.285 A flowing through the secondary what is the efficiency?
- 90%.
- 95%.
- 85%.
can somebody pls explain that with a formula
The Lowest Common Denominator for the problem below is 1/6 + 1/5 + 1/17 + 1/2.
- 510.
- 1020.
- 17.
can anyone show me a quick way to work this out
A conductor with a positive Q (charge) of 4C has 12.56 x 1018 electrons added to it. It will have a Q =
- 6.
- 2.
- 0.
help?
If a capacitor 1µF and an inductor 10mH are connected in parallel what is their approximate resonant frequency?
- 1.6 kHz.
- 62 Hz.
- 3.2 MHz.
help?