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A parallel plate capacitor has a constant electric field of 2.2x104 N/C among its plates separated by a distance of 3.25mm. An electron is released from rest at the negative plate and allowed to move to the positive plate. What is its speed when it reached the positive plate?
A pendulum clock has a period of 0.658 s on Earth. It is taken to another planet and found to have a period of 0.820 s. Find the gravitational field strength on the other planet
Two parallel conductive plates of area 0.3m2 hold equal-but-opposite charges of magnitude 30?C on either side. calculate the electric field between the plates
A 1.50m cylindrical rod of diameter 0.450m is connected to a power supply that maintains a constant potential difference of 13.0V across its ends, Find the temperature coefficient of resistivity at 20 degrees C for the material of the rod
A thunderstorm drops 6.0cm of rain on a city that covers an area of 33 km by 45 km. approximation the number of raindrops that fell during the storm. You could assume the diameter of a raindrop is 2 mm.
A rock is tossed straight up with a speed of 29{\rm m}/{\rm s}. What is the rock's velocity as it hits the bottom of the hole
A circular area with a radius of 7.80cm lies in the x-y plane. What is the magnitude of the magnetic flux through this circle due to a uniform magnetic field B = 0.229T that points in the +z direction
A 1.2 kg block rests on a frictionless surface and is attached to a horizontal spring of constant k = 27 N/m. The block is oscillating with amplitude 15 cm, Determine the frequency of the resulting motion
Two isotopes having the same mass number are known as isobars. Calculate the difference in binding energy per nucleon for the isobars 23/11 Na and 23/12 Mg
Find the frequency in terahertz of visible light with a wavelength of 653 nm in vacuum.
Two atomic clocks are synchronized while on Earth before one is launched (within a GPS satellite) into a medium-altitude Earth orbit. estimate the time difference between the two atomic clocks
A beam of hydrogen molecules (H2) is directed toward a wall, at an angle of 50° with the normal to the wall. What is the beam's pressure on the wall
A river narrows at a rapids from a width of 15m to a width of only 6.0m. The depth of the river before the rapids is 2.7m ; the depth in the rapids is 0.70m. Find the speed of water flowing in the rapids
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