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The figure below shows two points in an E-field: Point1 is at (x1,y1) = (7,4) in m, and Point 2 is at(x2,y2) = (13,13) in m. The Electric Field is constant, with a magnitude of 80 V/m, and is directed parallel to the +x-axis. The potential at point 1 is 1100 V.
a. Compute the potential at point2.
b. Compute the work required to move a negative charge of Q = -470μC from point 1 to point 2.
In February 2004, scientists at Purdue University used a highly sensitive technique to measure the mass of a vaccinia virus (the kind used in smallpox vaccine). What is the mass of the virus in femtograms
A speedboat moves on a lake with initial velocity vector v1,x = 8.35 m/s and v1,y = -2.39 m/s, then accelerates for 6.81 seconds at an average acceleration of aav,x = -0.106 m/s2 and aav,y = 0.102 m/s2. What are the components of the speedboat\'s fin..
A generator delivers an AC voltage of the form ?v = (64 V) sin (75?t) to a capacitor. The maximum current in the circuit is 1.50 A. Find the rms voltage of the generator
The overall magnification of anstronomical telescope is desired to be 24X. if an objectiveof 75cm focal lenght is used, what must be the focal length of the eyepiece
Calculate the work done by the force represented in displacing a particle from x = 1.0 meter to x = 4.0 meter. The curve is given by F = a/x2, with a = 21.0N m2. Determine the work using integration
During a car crash a 65kg person's head goes from traveling at 50kmh-1 to stationary in 0.15 s. What is the magnitude of the average net force acting on the head of a person with a 4.5kg head
A negative charge orbits a positive charge. The orbit is a perfect circle, What is the period of the orbit of the negative charge
A man slides along a long water slide and then being launched into the air to land in a water pool. Find the magnitude of the velocity at landing
A ball is kicked horizontally of the roof of a 100-ft high building at a speed of 18 ft/sec. Determine the angle in which the ball hits the ground
An object is launched with an initial velocity of 8.0 m/s to the horizontal from 327cm above the ground level. What is the final speed of the object
The sound intensity level at a rock concert is 114 dB, while that at a jazz fest is 84.5 dB. Find the ratio of the sound intensity at the rock concert to that at the jazz fest
A 130g ball moving at 0.35 m/s in the positive x-direction is subject to a 0.15 N force in the negative y-direction for 2.5 seconds. Find the magnitude of the ball's momentum change. Find the ball's final speed.
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