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At some instant, an alpha particle (q=+2e) has the coordinates (3.0, 0.0, 0.0)(nm) and is moving along the positive x axis with 500 km/s while an electron at (0.0,4.0,0.0)(nm) is moving along negative y-axis with 1000 km/s. Obtain the magnitude and direction of the magnetic force felt by each particle.
Two identical wires with a weight of 4.95E+4 N/m, are located one above the other, in a vertical plane above the surface of the earth. The wires are aligned north-south so that the earths's magnetic field will not affect them.
A spherical pot of hot coffee contains 0.75 L of liquid (essentially water) at an initial temperature of 95?C. Calculate the coffee's rate of heat loss by radiation
There are two answers required for this question. A rocket is fired straight up and accelerates upward at 12 m/s2 for 18 seconds. find the package's speed when it hits the ground
An empty rubber balloon has a mass of .0120kg. The balloon isfilled with heliumat a density of .181 kg/m^3. At this density theballoon is spherical with a radius of .5m. If the filled balloon isfastened to a vertical line, what is the tension in t..
a proton beam that carries a total current of 8.3 ma has 10.0 mm diameter. the current density in the proton beam
q1. what is the kinetic energy of an ideal projectile of mass 15.3 kg at an apex highest point of its trajectory if it
An 805-kg race car can drive around an unbanked turn at a maximum speed of 54 m/s without slipping. What would be the maximum speed if no downforce acted on the car
During 0.25 s, a wheel rotates during an angle of 3.62 rad as a point on the periphery of the wheel moves with a constant speed of 2.23 m/s. What is the radius of the wheel?
An athlete swings a 3.60 kilogram ball horizontally on the end of a rope. The ball moves in a circle of radius 0.960 meter at an angular speed of 0.670 rev/s. Estimate what is its centripetal acceleration
What is the magnitude of the total linear acceleration of a piece of metal on the very outer edge of the flywheel 4.1 seconds after it started to rotate
A plane mirror is located at the origin. A converging lenswith focal length 5.00 m is located at x = 1.0 m. An object isplaced at x = 31.0 m. What is the location of the final image, as seen by anobserver looking toward the mirror through the lens?
A 6.00 kg box is sliding across the horizontal floor of an elevator. The coefficient of kinetic friction between the box and the floor is 0.360. Determine the kinetic frictional force that acts on the box when the elevator is accelerating upward with..
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