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A charged particle moves through a velocity selector at a constant speed in a straight line. The electric field of the velocity selector is 4470 N/C, while the magnetic field is 0.487 T. When the electric field is turned off, the charged particle travels on a circular path whose radius is 4.37 cm. Find the charge-to-mass ratio of the particle.
Two ball shells are nested together ( centers exerting). The smaller balls diameter is R1 and bigger ones R2, Derive capacitance of the system from its definition C=Q/I?VI
Considering the equation for heat transfer through a wall, describe two simple ways to modify ahome to decrease the rate at which heat is lost through the walls.
A dry cell does 7.5. J of work through chemical energy transfer 5 C between terminals of the cell. What is the electric potential between the two terminal.
A particular organ pipe can resonate at 213 Hz, 355 Hz, and 497 Hz, but not at any other frequencies in between. What is the fundamental frequency of pipe.
A cement block accidentally falls from rest from the ledge of a 74.8-m-high building. When the block is 18.4 m above the ground, a man, 2.10 m tall, looks up and notices that the block is directly above him. How much time, at most, does the man have ..
A college campus features a large fountain surrounded by the circular pool. Two students start at the northernmost point of pool and walk slowly around it in opposite directions.
Assume that the partner moves on a circle that has a radius of 6.50 m. At a swinging speed of 4.45 m/s, what force must the man apply to his partner in the straight-down position?
If the coefficient of friction between the block and the floor is 0.40, what is the mass of the block.
A person doing a chin-up weighs 655 N exclusive of the arms. During first 15 cm of the lift, each arm exerts an upward force of 355N on the torso. If the upward movement starts from rest, what is the person's velocity at this point.
A thin flat plate is installed in a water tunnel as a splitter. The plate is 0.3 m long and 1 m wide. The free stream speed is 1.60 m/s. laminar boundary layers form on both sides of the plate. The boundary-layer velocity profile is approximated as p..
Helium (He), a monatomic gas, fills a 0.012 m3 container. The pressure of the gas is 6.90x 10^5 Pa. How long would a 0.25 hp engine have to run (1 hp = 746 W) to produce an amount of energy equal to internal energy of this gas.
A bus travelling along the straight road at 100km/hr-1 and the bus conductor make at 6kmhr-1 on the floor of the bus in the same direction on the bus. Find the speed of the conductor relative to road and relative to the bus. If the bus conductor now ..
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