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A very long uniform line of charge has charge per unit length 4.80x10^-6 and lies along the x-axis. A second long uniform line of charge has charge per unit length -2.40*10^-6 and is parallel to the x-axis at y=0.400m. What is the net electric field (magnitude and direction ) at the following points on the y-axis a) y = 0.200m and y = 0.400 m?
Suppose a collision produces a pair of particles, an electron and a positron (antielectron). the two are both initially traveling at a velocity of 8.0E4i m/s. what is the electric force on the electron? (neglect the electric force due to the positr..
A golf ball is hit horizontally from the edge of a ramp. It lands at an elevation 200 m below and its trajectory upon landing is 45° angle below the horizontal
Assume that if the shear stress in steel exceeds about 4.00 108 N/m2, the steel ruptures. (a) Determine the shearing force necessary to shear a steel bolt 1.20 cm in diameter. N (b) Determine the shearing force necessary to punch a 1.75-cm-diameter h..
A ferris wheel at a local carnival has a radius of 20.0 m and it completes one revolution in 9.60 seconds. What is the speed of a point on the edge of the wheel
Billy has a bucket that has a mass of 150 g, in which he put 150 g of fresh water. He has tied 150-cm of string to the handle of the bucket.
Two identical diverging lenses are separated by 18 cm. The focal length of each lens is -8.0 cm. Determine the final image distance relative to the lens on the right
There is a region with a constant magnetic field 5.2T. The magnetic field is directed out of the page. What is the current induced in the rod if the resistance is 4.9ohms
A gas initially occupying a volume V undergoes a sudden explosion, causing its volume to triple to 3V. Assuming that the pressure of the environment (atmospheric pressure po) remains constant,
A highway curve with a radius of 550 m is banked properly for a car travelling 130 km/h. If a 1660- kg Porshe 928S rounds the curve at 250 km/h, how much sideways force should the tires exert against the road if the car does not skid.
Calculate escape velocity for an object started at the surface of the earth, going straight up. Neglect any complications due to the earth turning.
A car moving at 35 m/s approaches a stationary whistle that emits a 220Hz sound. The speed of sound is 343m/s. What is the frequency of sound heard by the driver of the car
An electromagnetic wave has an electric field amplitude of 318 V/m. What is the root mean square of the electric field of the wave
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