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Charge q is moving at constant speed v along the positive x-axis. Two other charges -q and 2q are moving at constant speeds v and 2v along positive y and negative z axes, respectively. Assume that at t = 0, q is at the origin, -q is at (0,a,0), and 2q at (0,0,a). Find the Cartesian components of the magnetic field at a point (x,y,z) for t > 0.
An electron is accelerated from rest by the potential difference of 461 V. It then enters a uniform magnetic field of magnitude 184 mT with its velocity perpendicular to the field. Calculate (a) speed of the electron and (b) radius of its path in ..
What is the direction of proton after the collision? What is the direction of carbon atom after the collision.
What is average kinetic energy of each helium atom
Young's double-slit experiment is performed with 570 nm light and a distance of 2.00 m between the slits and the screen. The tenth interference minimum is observed 7.64 mm from the central maximum. Settle on the spacing of the slits.
A playground merry-go-round has a radius of 4.60 {rm m} and a moment of inertia of 250 kg m^2 and turns with negligible friction about the vertical axle through its center.
How much force, in Newtons, is needed to accelerate a truck with a mass of 1500 kilograms from a full stop to 40 m/s in 10 seconds if the rate of acceleration is constant.
What is an expression for , the position of mass I as a function of time? imagine that position is measured in meters and time is measured in seconds.
How many 104 W lightbulbs can you use in a 102 V circuit without tripping a 17 A circuit breaker? (The bulbs are connected in parallel that means that the potential difference across each lightbulb is 102 V.)
What is the horizontal component of velocity
A thin glass rod forms a semicircle of radius r = 3.03 cm. Charge is uniformly distributed along the rod, with +q = 1.05 pC in the upper half and -q = -1.05 pC in the lower half
A 1.50 kg box (position is given in meters and time is given in seconds) slides on ice for 1.5 seconds and then encounters a rough surface. Find out the momentum at the start of the animation. Is momentum conserved during the first 1.5 seconds? Is..
What is the formula for the acceleration a of the cart in terms of the cart's mass M, the hanger's mass m, and the acceleration of gravity g?
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