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A charged line extends from y = 2.50 cm to y = -2.50 cm. The total charge distributed uniformly along the line is -8.50 nC.
a) Find the magnitude of the electric field on the x-axis at x = 10.0 cm.
b) At what distance x does the result for the finite line of charge differ by 1.0% from that for the point charge?
A girl with a mass of 60kg springs from a trampoline with an initial upward velocity of 8.0 m/s. what is the maximum height that the girl (with box) reaches
While taking a walk around your neighborhood, you see a flash of lightning hit the Earth in the distance. How far away did the lightning strike the ground
You are traveling in a car toward a hill at a speed of 36.4 mph. The car's horn emits sound waves of frequency 231 Hz, Determine the frequency with which the waves strike the hill
A projectile of mass 7 kg is fired with an initial speed of 193 m/s at an angle of 16? with the horizontal. At the top of its trajectory, projectile explodes into two fragments of masses 4 kg and 3 kg.
The top of her head is 0.12m above her eyes. What is the height of the shortest mirror in which she can see her entire image? Expalin how far above the floor should the bottom edge of the mirror be placed?
Explain how the process of "doping" a semi conductor can improve its overall efficiency. Why does "doping" require a clean room infrastructure
A parachutist of mass 50kg jumps out of an airplane at a hight of 1000m. The parachute deploys, and he hits the ground with a velocity of 5m/s. Find the average resistance on the parachutist
A certain red giant star has a luminosity of 100,000 times that of the Sun and is located 600 light-years from Earth. calculate the rate of interstellar extinction in the direction of the star
Coherent light with wavelength 591 passes by two very narrow slits, and the interference pattern is observed on a screen a distance of 3.00 from the slits. The first-order bright fringe is a distance of 4.84 from the center of the central bright f..
How greatly time elapses before the compass hits the ground
Block 1, of mass m1 = 1.70kg , moves along a frictionless air track with speed v1 = 25.0m/s, Find the magnitude pi of the total initial momentum of the two-block system
Two particles are moving along the x axis. Particle 1 has a mass m1 and a velocity v1 = +3.7 m/s. Find the ratio m1/m2 of the masses of the particles
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