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Two point charges of 800 nC and 400 nC are moving in a plane with velocities of 20,000 km/s and 50,000 km/s, respectively, in the same direction. If at one instant the 400-nC charge is at (0, 0, 0) and 800-nC charge is at (0, 0.1, 0), determine the ratio of the electric force to the magnetic force acting on the 800-nC charge at that instant. What is the total force experienced by the 800-nC charge? What is the ratio of electric force to magnetic force experienced by the 400-nC charge? What is the total force acting on the 400-nC charge? Is the total force acting on the two charges the same?
A planet orbits the sun with a period of 8 years. How far is the planet from the sun
An electron is to be accelerated in a uniform electric field having a strength of 1.30 x 106 V/m. Find what energy is given to the electron if it is accelerated through 0.450 meter
Two adjacent natural frequencies of an organ pipe are found to be 840 Hz and 910 Hz. Calculate the fundamental frequency and length of this pipe
A heavy uniform rope of length L is placed on two tables where the coefficient of static friction is µs. What is the critical separation distance D before the rope starts to fall
A 6 m board of mass 5 kg is hinged at one end, with a 60 kg block nesting on the board 202 cm from the hinge. Find the force exerted by the hinge at this angle
the distance between an object and the screen is 2.56 m. a converging lens of focal length 25 cm is placed used to cast
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q1. the rate of energy use in a typical house is about 2 kw. if the kinetic energy of a car mass 1456 kg is equal to
find out the speed of the test charge. How many electrons should be removed from A and put onto B to make the electrostatic force that acts on each object an attractive force whose magnitude is 23.6 N.
A pulsar is a rapidly rotating neutron star that continuously emits a beam of radio waves in a searchlight manner. Each time the pulsar makes one revolution, the rotation beam sweeps across the earth, & the earth receives a pulse of radio waves. ..
What is the angular momentum of the moon about the Earth, The mass of the moon is 7.35 x 10^22 kg, the center-to-center separation of the Earth
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