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An infinitely long line of charge has a linear charge density of 7.00×10^?12 C/m. A proton is at distance 15.0cm from the line and is moving directly toward the line with speed 1700m/s.
How close does the proton get to the line of charge?
A steel wire of length 1.97m with circular cross section must stretch no more than 0.270cm, What minimum diameter dmin is required for the wire
The electric field at point P just outside the outer surface of a hollow spherical conductor of inner radius 10 cm and outer radius 20 cm has magnitude 445 N/C, what is the charge on the inner surface of the conductor
A lightning bolt consisting of electrons moves from the cloud to the ground near the equator. What direction is the bolt deflected by the Earth's magnetic field
A tennis player hits a ball 2.0 m above the ground. The ball leaves his racquet with a speed of 23.0 m/s at an angle 5.5 degrees above the horizontal. By how much does the ball clear the net
Calculate both absolute and relative pressure on the bottom of the tank if the meniscus (mercury surface) of the leg opening in the open air is a / 100 mm above the other b / 100 mm below the other.
Two point charges are located on the axis as follows: charge = -2.00 at = -0.500 , and charge = 2.80 at the origin ( = 0). What is the magnitude of the net force exerted by these two charges on a third charge = 9.00 located at = 0.250?
The average speed of a nitrogen molecule in air is about 6.70 ? 102 m/s, and its mass is about 4.68 ? 10-26 kg, What average force does the molecule exert on the wall
The toadfish makes use of resonance in a closed tube to produce very loud sounds. The tube is its swim bladder, used as an amplifier. Calculate the intensity of the sound wave emitted
A neutron turns into a proton and an electron. The electron goes in one direction and the proton goes in the opposite direction. find the maximum separation distance of the two particles
The block of mass M slides back along the horizontal surface with a coefficient of kinetic friction ?k and eventually comes to a rest. calculate the total trip time from bullet impact to now
A ball is thrown directly upward with an initial velocity of 10 m/s. how long is the ball in the air
A mass of .5Kg is attached to a massless spring with spring constant k=600N/m, What was the incident speed of the second mass
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