External link to PHY

PHY

1- A series L-R-C circuit consists of a 262 Ω resistor, a 23.9 mH inductor, a 10.28 µF capacitor, and an AC source of amplitude 26 V and variable frequency. If the voltage source is set to 4.7 times the resonance frequency, the impedance of this circuit is: Express the answer as a whole number.?   2-An AC source whose rms voltage is 72 V is in series with […]

External link to Week 26

Week 26

Lab Report                                                                Name: ____________________                                                                                                   Section: ___________________     Diffraction Grating     DATA TABLE: λ of laser (nm) L (m) Several Δx Values (m) Δxavg θ (tan -1 Δxavg /L)             Part 1:   Calculations:   Convert λ, wavelength, of laser from nm to m. Remember 1 nm = 1 x 10 -9 m.   Average all Δx values to get […]

External link to A small ball of mass 75 g is suspended from a string of length 55 cm and whirled in a circle lying…

A small ball of mass 75 g is suspended from a string of length 55 cm and whirled in a circle lying…

A small ball of mass 75 g is suspended from a string of length 55 cm and whirled in a circle lying in the horizontal plane. If the string makes an angle of 28◦ with the vertical, find the centripetal force experienced by the ball. The acceleration of gravity is 9.8 m/s 2 . Answer in units of N.

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