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An infinite plane of charge with surface charge density ?1 = 3.7 µC/m2 is parallel to the xz plane at y = -0.8 m. A second infinite plane of charge with surface charge density ?2 = -1.1 µC/m2 is parallel to the yz plane at x = 1 m. A sphere of radius 1 m with its center in the xy plane at the intersection of the two charged planes (x = 1 m, y = -0.8 m) has a surface charge density ?3 = -4.5 µC/m2. Find the magnitude and direction of the electric field at the following locations on the x axis.(a) x = 0.4 mE =_________?______________ N/C
CA particle with a charge of = -5.40 is moving in a uniform magnetic field of -1.21. The magnetic force on the particle is measured to be ?7.60×10?7. calculate the x component of the velocity of the particle
A small object is 10 cm to the left of a converging lens (f = +5 cm), and a second diverging lens (f = -3.3 cm) is 5.8 cm to the right of the first. Find the position and magnification of the final image by calculation
The vertical deflecting plates of a typical classroom oscilloscope are a pair of parallel square metal plates carrying equal but opposite charges. Typical dimensions are about 3.4cm on a side, with a separation of about 4.6cm . The plates are close e..
How much work done against force of gravity
A copper wire has a 25 m-ohmic resistance at 20 degrees C. When the wire is carrying a current, What is the change in the wire's resistance
A solid disk of radius R and mass 2.66 kg is spinning at angular velocity 66.2 rpm about a vertical axis. What is the mass of the second disk
Suppose the earth were made entirely of hydrogen and oxygen, with two atoms of hydrogen for each atom of oxygen. how long could the earth produce the same luminosity as the Sun
Find the typical speed for a tsunami. (Note down that in the open ocean, tsunamis generally have amplitude of less than a meter, allowing them to pass ships unnoticed. As they approach shore, however, water depth decreases and the waves slow down. Th..
In outer space a rock of mass 12 kg is acted on by a constant net force ‹ 30, ?14, 49 › N during a 3 s time interval. What was the rock's velocity at the beginning of the time interval
A guitar string produces 4 beats per second when sounded with a 350-Hz tuning fork and 9 beats per second when sounded with a 355-Hz tuning fork. What is the vibrational frequency of the string
Gas is contained in an7.4L vessel at a temperature of 20°C and a pressure of9.2atm. Determine the number of moles of gas in the vessel
In a car lift, compressed air with a gauge pressure of 4.0 × 10^5 Pa is used to raise a piston with a circular cross-sectional area. what is the maximum mass that can be raised using this piston
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