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Suppose the initial speed of the proton in the figure is increased.Part A:Does the radius of each half-circular path segment increase, decrease, or stay the same?Part B:Choose the best explanation from among the following:A:A greater speed means the proton will experience more force from the magnetic field, resulting in a decrease of the radius.B:The radius of a circular orbit in a magnetic field is proportional to the speed of the proton; therefore, the radius of the half-circular path will increase.C:The increase in speed offsets the increase in magnetic force, resulting in no change of the radius.
Two uniform infinite sheets of electric charge densities 48.0 C/m2, Find the magnitude of the electric field everywhere
Water at 100 degrees is flowing through a long pipe of radius 1rapidly enough so that we may assume that the temperature is 100 at all points. A t=0, the water is turned off and the surface of the pipe is maintained at 40 degrees from then on (neglec..
Calculate the maximum current density in a lead wire of diameter 4 mm at a temperature of 4.2K if the wire is to remain superconducting. The relevant values for lead are Tc= 7.19k and Bc =6.39 x104 A/m . (note that the magnetic field in the wire is g..
A 1.80 m length of wire is held in an east-west direction and moves horizontally to the north with a speed of 14.9 m/s. Calculate the induced emf between the ends of the wire
A 23.0-N block rests on a horizontal surface. The coefficients of static and kinetic friction between the surface, What is the force of friction acting on the block if T = 20.56 N
A boy of mass 60.8 kg is rescued from a hotel fire by leaping into a firefighters' net. The window from which he leapt was 9.5 m above the net. What is the average force on the net due to the boy during the interval
A golf ball is struck at ground level. The speed of the golf ball as a function of time is shown in the figure below, where t = 0 at the instant the ball is struck. What is the maximum height above the ground level attained by the ball
Pick what you think are the most reasonable choices for each parameter in the Drake equation and justify your choice. estimate the likely nearest distance to such a civilization
A 1.60 cylindrical rod of diameter 0.550 is connected to a power supply that maintains a constant potential difference of 15.0 across its ends, Find the temperature coefficient of resistivity at 20 for the material of the rod
A uniform field E = -170000 j N/C exists between two plates of length L = 3 cm. Find the angle at which it emerges
The magnitude FN of the normal force that each side of the tread channel exerts on the stone is 1.8 N. Suppose that only static friction supplies the centripetal force, & find the radius r of the tyre.
A motorcyclist intends to perform a stunt in which he jumps a river 25 meters wide. The motorcyclist must jump from a cliff on one side to a cliff 20 meters lower on the other side. How far will he travel in a horizontal direction
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