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a 0.1T uniform magnetic field is horizontal and parallel to the floor with the direction facing you. a straight segment of 1.00mm- diameter wire (copper) is parallel to the floor but perpendicular to the magnetic field(left right). Illustrate what current through the wire, and in which direction(LtoR OR R to L)will allow the wire to float in the magnetic field
An arrow is fire with a speed of 20m/s at the block of Styrofoam resting on a smooth surface. The arrow penetrates a certain distance into the block before coming to rest relative to it.
You travel to an alien planet. The local population tries very hard to tell you what gravity is on the surface. You cannot understand them, and do not have a tool to calculate gravity directly. You also ran out of water. They offer a liquid to you, o..
A 29 g rifle bullet travelling 270 m/s buries itself in a 3.50 kg pendulum hanging on a 2.6 m long string, which makes pendulum swing upward in an arc. Find out the horizontal component of the pendulum's displacement.
An automobile and a truck start from rest at the same instant, with the automobile at first at some distance behind the truck. The truck has a constant acceleration of 2.01.
A 12 kg weather rocket generates a thrust of 250 N. The rocket, pointing upward, is clamped to the top of a vertical spring. The bottom of the spring, whose spring constant is 560 N/m, is anchored to the ground. What is the rocket's speed while the s..
icyclists in the Tour de France do enormous amounts of work during a race. For example, the average power per kilogram generated by Lance Armstrong (m = 75.0 kg) is 6.50 W per kilogram of his body mass.
A runner of mass m runs around the edge of the horizontal turntable mounted on a vertical, frictionless axis through its center. The runner's velocity relative to earth has magnitude v.
A pair of speakers separated by 0.820 m are driven by the same oscillator at a frequency of 652 Hz. An observer originally positioned at one of the speakers begins to walk along a line vertical to the line joining the speakers.
An oil drop whose mass is determined to be 3.3x10^-15 is held at rest between two large plates separated by 1cm while the potential difference between them is 340 V. How numerous excess electrons does this have here.
A small body of mass 0.28 kg is undergoing simple harmonic motion of amplitude 4.0 cm and period 0.10 s. What is the maximum value of the force acting on it? If the oscillations are produced by a spring, what is the spring constant?
An airplane wishes to fly from new york to ottawa. from new york, ottawa is located 780km West23degreesNorth. there is a wind blowing from a bearing of 310 degrees and if the plane flies at 890km/h, what bearing should the pilot steer to fly direc..
The membrane surrounding a living cell consists of an inner and an outer wall that are separated by a small space.
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