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a wire lying in the plane of the page carries a current directed toward the bottom of the page. An electron moves from the right side of the page toward the wire along a path perpendicular to the wire. What path will the electron follow? explain why it will go this way.
A 25.1-mW laser beam of diameter 2.15 mm is reflected at normal incidence by a perfectly reflecting mirror. Calculate the radiation pressure on the mirror
A cardinal (Richmondena cardinalis) of mass 3.60×10-2 and a baseball of mass 0.146 have the same kinetic energy. What is the ratio of the cardinal's magnitude of momentum to the magnitude of baseball's momentum.
If it takes him 0.250 s to get the brakes on and he is 30.0 m from the intersection when he sees the light, elucidate will he be able to stop in time?
The skis have a thrust of 190 . Sam's speed at the bottom is 35.0 . Illustrate what is the coefficient of kinetic friction of his skis on snow?
A block of weight W can slide on a horizontal surface. A force of W/n1 is applied to the right that causes the block to accelerate with acceleration equal to g/n2. g is the acceleration by reason of gravity. If the coefficient of kinetic friction is ..
Determine the electrostatic potential energy of an electron in the ground state of the hydrogen atom
An arrangement of two pulleys, as shown in the figure, is used to lift a 46.4-kg mass a distance of 3.20 m above the starting point. What is the mechanical advantage of this system
A force platform is a tool used to analyze the performance of athletes measuring the vertical force that the athlete exerts on the ground as a function of time. What impulse did the athlete receive from the platform
the magnetic field amplitude of an electromagnetic wave is 8.5E-7 T. Calculate the ampitude of the electric field if the wave is travelling in Air
An 85 kg man lowers himself to the ground from a height of 5.6 m by holding onto a rope that runs over a frictionless pulley to a 75 kg sandbag
Four charges are located in the x-y plane as follows: q@(0,0); 3q @ (a,0); 2q @ (0,a) and -4q @ (a,a). What is the electric force at the center of this distribution
What is the angular velocity of the disk. If a single bit requires 5 µm of length along the motion direction, how many bits/second can the writing head write when it is 3.0 cm from the axis? display all work and explanations.
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