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An air-filled parallel-plate capacitor has a capacitance of 1.4 pF. The separation of the plates is doubled and wax is inserted among them. The new capacitance is 2.1 pF. Discover the dielectric constant of the wax.
in niels bohrs 1913 model of the hydrogen atom an electron circles that proton at a distance of 5.29e-11 m with a speed
A particle with charge 6.40x10^-19 C travels in a circular orbit with radius 4.68 mm due to the force exerted on it by a magnetic field with magnitude 1.65 T
The water in a tank is at a gauge pressure of 283,685 Pa. what is the force on the bottom of the tank
A coil of 160 turns and area 0.20 m2 is placed with its axisparallel to a magnetic field of 0.40 T. The magnetic field changes from 0.40 T in the x-direction to 0.40 Tin the negative x-direction in 2.0 s. If the resistance of the coil is 16 Ω, at ..
A reading on a Geiger counter of 0.23 mrad/h is based on assuming that the measured radiation is due to cesium-137, How many ?-rays does the person's body absorb every second
Two C1 = 3.7 μF, C2 = 18.7 μF are charged individually to V1 = 14.2 V, V2 = 7.0 V. Calculate the final potential difference across the plates of the capacitors once they are connected
The rocket moves for 3.00 s along its initial line of motion with an acceleration of 32.0 m/s2. At this time, its engines fail and the rocket proceeds to move as a projectile. Find out the maximum altitude reached by the rocket.
A 30.0g ball rolls around the 40.0cm diameter hemishperical track at 60.0rpm. Assume rolling friction is negligible. Determine the ball's linear velocity
When responding to sound, the person eardrum vibrates about it's equilibrium position. Evaluate the maximum acceleration of the eardrum
If you triple the distance between two charged objects, by what factor is the electric force affected
Atypical sprinter speeds up through the first third of a race and slows gradually over the rest of course. Is it accurate to say that a sprinter is accelerating as he slows through the final two-thirds of the race?
When the decibel of traffic in the street goes from 40 to 60 dB, How much louder does the traffic noise seem
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