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Q1. A 3.988x10^-26 kg mass particle with negative -1.44x10^-18 C charge is initially moving at 50m/s parallel to a wire with 18A current going to the right. The permeability of free space is 4*(pi) x10^-7. Find out the magnitude of the magnetic force acting on the negative particle at point p.
Q2. A generator uses a coil that has 210 turns and a 0.20-T magnetic field. The frequency of this generator is 60.0 Hz, and its emf has an rms value of 120 V. assume that each turn of the coil is a square (an approximation), conclude the length of wire from which the coil is made.
A loudspeaker of mass 22.0 {rm kg} is suspended a distance of h = 1.60 {rm m} below the ceiling by two cables that make equal angles with the ceiling. Each cable has a length of l = 3.90 {rm m}.
Compute the horizontal distance the ball
A train at rest emits a sound at a frequency of 1045 Hz. An observer in a car travels away from the sound source at a speed of 37 m/s. What is the frequency heard by the observer .
What is change in electrical potential energy of electron
A 60kg bicyclist rides his 7.8kg bicycle with a speed of 16m/s. How much work must be done by the brakes to bring the bike and rider to a stop.
What is an electric field between the plates? Towards which plate is it directed.
He would like a prescription for contact lenses to serve the same purpose. What is the exact contact lens prescription, in diopters.
What is momentum of the block
What is modify in frequency ff - fi
A car takes 16 s to go from v = 0 to v = 50 m/s at approximately constant acceleration. If you wish to find the distance travelled using the equation d = 1/2 at2, what value should you use for a.
A train at rest emits a sound at a frequency of 1045 Hz. An observer in a car travels away from the sound source at a speed of 37 m/s. What is the frequency heard by the observer? Imagine the speed of sound in air to be 340 m/s.
One displacement vector A has magnitude of 2.78 km and point due north. Another displacement vector B has a magnitude of 7.40 km and also points due north. Provide diagrams and calculate the magnitude and direction of A+B, B-A, A-B.
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