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Q. A singly charged ion of unknown mass moves in a circle of radius 14.0 cm in a magnetic field of 8.2 T. The ion was accelerated through a potential difference of 9.0 kV before it entered the magnetic field.What is the mass of the ion?
Q. The electric potential immediately outside a charged conducting sphere is 190 V, and 10.0 cm farther from the center of the sphere the potential is 140 V.(a) Determine the radius of the sphere.(b) determine the charge on the sphere.
Find the Band Structure and Band Occupancy
If she is served 200 of coffee at 84 in a well-insulated container, how much ice at 0 should she add to obtain a final temperature of 31.
The side-view mirror of an automobile has a radius of curvature of 20cm. The mirror produces a virtual image one-third the size of the object. How far is the object from mirror.
The displacement of an object moving under uniform acceleration is some function of time and the acceleration. Suppose we write this displacement as s=ka^mt^n, where k is the dimensional constant. Show by dimensional analysis that this expression ..
Find the final displacement from the starting point. How much greater was the distance she walked than her displacement.
How greatly time elapses before the compass hits the ground
A stone is dropped into a river from a bridge 43.90 m above the water. Another stone is thrown vertically down 1.00 after the first is dropped. The stones strike the water at the same time.
A ski jumper has 1.2 ´ 10 J of potential energy at the top of the ski jump. The friction on the jump slope is small, but not negligible. What can you end about the ski jumper's kinetic energy at the bottom of the jump.
A wire loop of radius 0.3 m lies so that an external magnetic field of magnitude 0.30T is perpendicular to the loop. The filed reverses its direction, and its magnitude changes to 0.20T in 1.5s. Find out the magnitude of the average induced emf in..
Evaluate with the strength of the earth's gravity at its surface, how much weaker is gravity at a distance of 10 earth's center.
A 23 gram bullet traveling 230m/s penetrates a 2kg block of wood and emerge clearly at 170m/s. If the block is stationary on a frictionless surface when hit, how fast does it move after bullet emerges.
Create a graph corresponding to the stone vertical velocity
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