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At a distance of 1.88 m from a point charge of +2.42 C, there is an equipotneial surface. At greater distances there are additional equipotential surfaces. The potential difference between any two successive surfaces is 1.15 x 103 V. Starting at a distance of 1.88 m and moving radially outward, how many of the additional equipotential surfaces are crossed by the time the electric field has shrunk to one-half of its initial value? Do not include the starting surface.
A fishing line has attached to it a hollow plastic float 2.15 cm in diameter and having a mass of 1.90 g. Find the mass of a lead weight
A motorist drives south at 22.0 m/s for 3.00 min, then turns west and travels at 25.0 m/s for 3.00 min, Find the total vector displacement and south west
An electric dipole has opposite charges of 6.35*10^-15 C seperated by a distance of 0.29mm, Determine magnitude of the torque exerted on the dipole by the electric field.
How much work does the electric field do in moving a -7.7 microCoulomb charge from ground to a point whose potential is +positive 55V higher.
Light passes through a 200 line/mm diffraction grating and is observed on a 1.0 m-wide screen located 1.0 m behind the grating. What are the minimum and maximum possible values of wavelength
A clarinetist, setting out for a performance, grabs his 3.19-kg clarinet case (including the clarinet) from the top of the piano, Find the case\'s vertical acceleration
parallel plates that have an opposite charge have a distance of 5.33 mm between them, and a 600V potential difference. What is the magnitude of the electric field strength
What is the force on a test charge Q at the center.
it accelerates with a constnat acceleration of 2.00 m/s^2 until its engines stop at an attitude of 200 m. the rocket continues move in free fall until its reaches the ground. Illustrate what is the total time the rocket is in the air?
A cat dozes on a stationary merry-go-round, at a radius of5.5m from the center of the ride. Then the operator turns on the ride and brings it up to its proper turning rate of one complete rotation every6.0s.
A 40 N crate starting at rest slides down a rough 6m long ramp inclined at 30 degrees with the horizontal. find the velocity of the crate at he bottom of the incline
Suppose you take and hold a deep breath on a chilly day, inhaling 3.0 L of air at 0 degrees C . Assume that air pressure is 1.0atm . How much heat must your body supply to warm the air to your internal body temperature of 37degrees celcius ? How much..
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