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A parallel plate capacitor has plates with an area of 2.6 m2 with a distance between the plates of 11.6 cm. It also has a dielectric with dielectric constant of 4.3 between its plates. It is then connected to a battery and when connected to the battery, it has a charge of 7.3 micro-Coulombs on each sheet. It is then removed from the battery and the distance between the plates is doubled (dielectric is still filling the entire space between sheets). What is the voltage between the sheets now in kV or 1 x 103 Volts?
A golf club strikes a 0.044-kg golf ball in order to launch it from the tee. For simplicity, With what speed does the ball leave the club
q1. a 280 block on a 50.0 -long string swings in a circle on a horizontal frictionless table at 80.0.what is the speed
An electron is then fired directly toward the center of the shell, from point P at distance r from the center of the shell (r >> R). What initial speed v0 is needed for the electron to just reach the shell before reversing direction.
The two stars in a binary star system have masses 1.9 x 10^30kg and 6.1 x 10^30kg. What is the speed of the heaviest star
visible light has a wavelength of approx 0.5 um. What is its frequency in Hz. EM radiation has a frequency of approx 3GHz, what is its wavelength in centimeters.
When Capacitor C1 having voltage V is connected with another capacitor C2 having zero charge in parallel with C1 what would be the dissipated energy.
The elementary particle called a muon is unstable and decays after 2.20 ?s, as observed in its rest frame, What lifetime do you observe for the muon
The electron is heading at a 45 angle directly toward the wire when it is 50cm away; the electron reaches only as close as 1.0 cm, before being repelled away, always moving in the same plane. If the electron has an initail speed of 3.4 x 10^6 m/s,
Consider a dry air parcel at -12 degrees celsius and 450mb that descends adiabatically down to the surface where p=1000mb, Calculate the potential temperature at the surface
A square plate has a side length of 1.2 m. An applied torque of 300 N•m gives the plate an angular acceleration of 4.8 rad/s2 about an axis through the centre of the plate
You are standing on a scale inside an elevator. The scale reads 112 percent of your weight. What is the acceleration of the elevator
question1a 70-g disk sits on a horizontally rotating turntable. the turntable makes 4 revolutions each second. the disk
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