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A positive charge of 5.10 uC is fixed in place. From a distance of 3.50 centimeter a particle of mass 6.90 gram and charge +3.00 uC is fired with an initial speed of 80 m/s directly toward the fixed charge. Find how close to the fixed charge does the particle get before it comes to rest and starts traveling away?
A space of 100 cm3 and one of 300 cm3 seperated by a capillary tube, in which a tap is arranged, connected. How big is the pressure in the related areas
If 40.7 kW is to be transmitted to consumers over two 0.107 %u2126 lines, estimate how much power is saved if the voltage is stepped up from 115 V to 1150 V
7.84 g of argon gas at an initial pressure of 4.34 atm and at 16°C undergo an isobaric expansion until the volume has increased in five times. What is the volume of the gas after expansion
A magnetic field has a magnitude of 1.2x10-3 T, and anelectric field has a magnitude of 4.6x103 N/C. Bothfields point in the same direction. A positive 1.8μC chargemoves at a speed of 3.1x106 m/s in a direction thatis perpendicular to both fields.
A meter stick balances horizontally on a knife-edge at the 50.0 cm mark. With two 2 g coins stacked over the 11.5 cm mark, the stick is found to balance at the 44.5 cm mark. What is the mass of the meter stick?
An elephant that has a mass of 7000 kg evenly distributes her weight on all four feet. estimate the pressure on each foot
An ideal transformer has 50 turns in its primary and 400 turns in its secondary. 8.0- ac is connected to the primary. What is voltage available at the secondary
A 10.0 kg steel ball collides with a 1.0 kg steel ball atrest, head on. The initial velocity of the 10.0kg ball is 5.0m/seast. There is no loss of kenetic energy in the collision.
A grating has 776 lines per centimeter. Find out the angles of the first three principal maxima above the central fringe when this grating is illuminated with 603 nm light.
The intensity of sunlight at the earth's surface is 1400W/m2, and the average wavelength is 550 nm. How many photons per second are absorbed with a perfect blackbody surface of area 1.25m2 perpendiculars to the sun's rays?
The force of gravity acting on the arm acts through point A. Identify the magnitudes of the tension force t in the deltoid muscle and the force s of the shoulder on the humerus (upper-arm bone) to hold the arm in the position shown.
A filmmaker wants to achieve an interesting visual effect with filming a scene during a converging lens with a focal lens of 51.0m. The lens is placed among the camera and a horse, which canters toward the camera at a constant speed of 7.5m/s.
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