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The figure below shows two points in an E-field: Point 1 is at (x1, y1) = (5,4) in m, and Point 2 is at (x2,y2) =(12,12) in m. The Electric Field is constant, with a magnitude of 56 V/m, and is directed parallel to the +x-axis. The potential at point 1 is 1100 V. Compute the potential at point 2.
Compute the work required to move a negative charge of Q = -562 μC from point 1 to point 2.
A cardiac pacemaker can be affected by a static magneticfield as small as 1.7 mT. How close can a pacemaker wearer come toa long, straight wire carrying 18 A?
A setup similar to the one shown in the figure below is often used in hospitals to support and apply a horizontal traction force to an injured leg. What is the traction force exerted to the right on the leg
Measuring the Speed of Sound. A student investigator is measuring the speed of sound by looking at the time for a brief, sinusoidal pulse from a loudspeaker to travel down a tube, What was the approximate length of the tube
Demonstrates how the forces can vary in problems of this type. A hiker, who weighs 857 N, is strolling through the woods and crosses a small horizontal bridge. The bridge is uniform, weighs 4420 N, and rests on two concrete supports, one on each end.
A 1200 kg ore cart is rolling at 10.8 m/s across a flat surface. A crane dumps 888 kg of ore (vertically) into the cart. How fast does the cart move after being loaded with ore
Four equal point charges, Q, are fixed at the corners of a squareof side b. (a) What is their total electrostatic potential energy?(b) How much potential energy will a fifth charge, Q, have at thecenter of the square (relative to V=0 at r =)?
The racket is a potential-energy barrier whose height is the energy of the slowest string-breaking ball. Suppose that a 100 g tennis ball traveling at 220mph is just sufficient to break the 2.0-mm-thick strings.
An electron traveling at 869 m/s enters a5.8 T magnetic field. The angle among the velocity and the field is 89o. Discover the radius of the resulting circular path.
A long, thin rod (length = 5.0 m) lies along the x axis, with its midpoint at the origin. In a vacuum, a +6.0C point charge is fixed to one end of the rod, and a -6.0C point charge is fixed to the other end. find the magnitude of the net torque app..
A snow skier, starting from rest, goes downhill for 5.00s and reaches a level spot of smooth snow. What is the skier's average acceleration down the hill
A 63-kg bungee jumper has fallen far enough that her bungee cord is beginning to stretch and resist her downward motion. Find the force (magnitude and direction) exerted on her by the bungee cord at an instant when her downward acceleration has a mag..
Suppose a neutron, traveling to the right at 1000 m/s, strikes a proton moving upward at 500 m/s. Find the magnitude and direction of the deuteron velocity vector
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