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Question1
An electron is a subatomic particle that is subject to electric forces. An electron moving in +x direction accelerates from an initial velocity of +5.40 x 10^5 m/s to a final velocity of +2.10 x 10^6 m/s as travelling a distance of 0.038m. The electron's acceleration is due to 2 electric forces parallel to the x axis: F1 = +7.50 x 10^-17 N, and F2, which points in -x direction. Find out magnitudes of
(a) Net force acting on the electron and
(b) Electric force F2.
Question2
A beam of parallel rays from a 29 MHz citizens band radio transmitter passes between two electrically conducting (thus opaque to radio waves) buildings located 60m apart. What is angular width of the beam while it emerges from between buildings?
Question3
Points A and B have electric potentials of 291 V and 129 V, in that order. As an electron released from rest at point A arrives at point C its kinetic energy is KA. When electron is released from rest at point B, though, its kinetic energy when it reaches point C is KB = 4KA.
A highly charged piece of metal (with uniform potential throughout) tends to spark at places where the radius of curvature is small, For that amount of charge, what is the potential of the sphere relative to infinity
A 61-kg and a 97-kg skydiver jump from an airplane at an altitude of 6100 m, both falling headfirst. Calculate their terminal velocities
A heat engine operates between a high-temperature reservoir at 610K and a low-temperature reservoir at 320K. What is the net change in entropy as a result of this cycle?
A diver leaves the end of a 4.0-m-high diving board and strikes the water 1.3 s later, determine magnitude of velocity when she enters the water
A 10g ball of clay is thrown horizontally at 30m/s toward a 1.5kg block sitting at rest on a frictionless hi surface. The clayts and sticks to the block. What impulse does the clay exert on the block
A lightbulb has a resistance of 13? and consumes 9.4W of power; the rod is 1.33m long and moves to the left with a constant speed. what is the speed of the rod
what speed does boxcar have after 10 seconds.What is the object's displacement Dx.
A group of particles is traveling in a magnetic field of unknown magnitude and direction. What is the direction of the magnetic field
A 5.16 multiply.gif 10-5 H solenoid is constructed by wrapping 64 turns of wire around a cylinder with a cross-sectional area of 8.80 multiply.gif 10-4 m2, Determine the change in the length of the solenoid
You wish to create an image that is 15 meters from an object. This image is to be inverted and four times the height of the object. What type of image is created, real or virtual
Illustrate what value-chain matchups exist? Illustrate what opportunities for skills transfer, cost sharing or brand sharing are evident? Prior to its divestiture, illustrate what kind of strategic fits existed among adidas' core business and its ..
A hawk flies in a horizontal arc of radius 14 m at a constant speed of 5 m/s. (a) Find out its centripetal acceleration. (b) It continues loftly along the same horizontal arc but increases its speed at the rate of 1 m/s2. Find out the acceleration..
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