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Consider two semi-infinite sheet with equal magnitude, but opposite sign, surface charge densities. The plates are 0.2 m apart and have a voltage of 3 V across them. An electron enters from left through hole at velocity v0 << c. What is the maximum kinetic energy the electron can have so that is does NOT hit the negative plate? 1 eV = 1.6 x 10^-19 Joules
Clifford is in a real hurry, however, and skips the speedramp. Starting from rest with an acceleration of 0.39 m/s2, he covers the same distance as the ramp does, but in one-fourth the time. Illustrate what is the speed at which the belt of the ra..
A 12.00kg runaway grocery cart runs into a spring with spring constant 260-N/m and compresses it by 65 cm. What was the speed of the cart just before it hit spring.
Air bags are designed to deploy in 10 ms. Estimate the acceleration of the front surface of the bags as it expands. Express your answer in terms of the acceleration of gravity g
Carbon disulfide (CS2) has a vapor pressure of 300 Torr at room temperature (almost half of atmospheric pressure). estimate the average time between collisions
A 28 kg child plays on a swing having support ropes that are 1.80 m long. A friend pulls her back until the ropes are 43 from the vertical and releases her from rest.
The coefficient of kinetic friction between the 2.00KG and the 3.00KG blocks in 0.300. The horizontal surface and the pulleyes are frictionless, determine the acceleration of each block
If the measured parallax shift of star A was 0.1 arcsecs and the parallax shift of star B was 0.05 arcsecs, What is the distance of the farthest star in light-years
In redesigning a parallel-plate capacitor with circular plates, you triple both the diameter of the plates and their separation. what is the capacitance of the redesigned capacitor
a hot iron horseshoe(mass=0.50kg), which has just been forged,is dropped into 2.7 L of water in a o.45 kg iron pot initially at 22 degree celcius.If the final equilibrium temparature is 27 degree celcius, estimate the initial temparature of the hot..
A volleyball is spiked so that it has an initial velocity of 16.5 m/s directed downward at an angle of 53.1 ° below the horizontal. determine the horizontal component of the ball's velocity
The electric field between the plates of a paper-separated (K-375) capacitor is 8.20×10^4 V/m. estimate the area of each plate
A point source of sound waves emits sound uniformly in all directions. What is the power output of the source
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