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A wire running parallel to the x-axis has a current of 3.40A in the +x direction. There is a uniform magnetic field of B=0.003 i + 0.004 j + 0.002 k Tesla. Calculate the y-component of the magnetic force acting on a piece of wire of length L = 18.0cm.
A string, stretched between two fixed posts, forms standing wave resonances at 350 Hz and 420 Hz. What is the greatest possible value of its fundamental frequency
The range of human hearing is roughly from twenty hertz to twenty kilohertz. what are the lengths of the longest and shortest pipes
A hunter aims directly at a target (on thesame level) 130 m away. If the bullet leaves the gun at aspeed of 290 m/s, by how much will it miss the target
When red light in a vacuum is incident at the Brewster angle on a certain type of glass, the angle of refraction is 31.0°. What is the Brewster angle
A spaceships leave Earth in opposite directions, each with a speedof 0.50c with respect to Earth. What is the velocity of spaceship1 relative to spaceship2
A fan at a rock concert is 30.0 m from the stage, and at this point the sound intensity level is 109dB. Sound is detected when a sound wave causes the tympanic membrane (the eardrum) to vibrate . Typically, the diameter of this membrane is about 8..
Two blocks are connected by a very light string passing over a massless and frictionless pulley (Fig. E6.7). Traveling at constant speed, the 20.0-N block moves 75.0 cm to the right and the 12.0-N block moves 75.0 CIJl downward.
A 0.45 kg object connected to a light spring with a force constant of 19.6 N/m oscillates on a frictionless horizontal surface. Determine the maximum speed of the object
A girl delivering newspapers covers her route by traveling 9.99 blocks west, 4.00 blocks north, and then 1.00 blocks east
If a 500.0g cart had its velocity change from 1.65 m/s to 1.23 m/s over a period of 2.50 seconds. Calculate and record the force acting
In outer space a rock of mass 12 kg is acted on by a constant net force ‹ 30, ?14, 49 › N during a 3 s time interval. What was the rock's velocity at the beginning of the time interval
You're 6.0 m from one wall of a house. You want to toss a ball to your friend who is 6.0 m from the opposite wall. The throw and catch each occur 1.0 m above the ground. find minimum speed will allow the ball to clear the roof
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