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A positively charged particle of mass 7.2x10^-8 kg istraveling due east with a speed of 85 m/s and enters a 0.31-Tuniform magnetic field. The particle moves through one- quarter ofa circle in a time of 2.2x10^-3 s, at which time it leaves thefield heading due south. All during the motion the particle movesperpendicular to the magnetic field.
(a) what is the magnitude ofthe magnetic force acting on the particle?
(b) Determine the magnitude of its charge?
A shot fired with a velocity 100 m/s on a direction making an angle 60 degree with vertical. Calculate the time of flight
The temperature of the surface of the sun is 6000K and its radius is 696,000Km. How much energy is the sun radiating into space per second
A string of 13 identical Christmas tree lights are connected in series to a 127 V source. The string dissipates 63 W. What is the comparable resistance of light string.
You have a string with a mass of 12.3 g. You stretch the string with a force of 9.87 N, giving it a length of 1.93m. find the wavelength of the standing wave you creat in the string
a 3.8 kg block is accelerated from rest by a compressed spring of spring constant 650 N/m. What is the original compression distance of the spring
A 7.5 nC charge is located 1.8m from a 4.2 nC charge. Find out the magnitude of the electrostatic force that one charge exerts on the other. Is the force attractive or repulsive.
A 110 kg hoop rolls along a horizontal floor so that its center of mass has a speed of 0.0760 m/s
The wheels of a wagon can be approximated as the combination of a thin outer hoop, of radius rh = 0.209 m and mass 5.65 kg, and two thin crossed rods of mass 9.95 kg each. what should the radius of the disk be
What was the initial negative charge on one of the spheres, and what was the initial positive charge on the other?(Hint: Use charge conservation and solve for one of the initial charges. You will end up with a quadratic equation. The solutions giv..
The Hubble Space Telescope orbits the Earth at an altitude of approximately 612 km. Its mass is 11,100 kg, What is the Hubble's total energy
In the bohr theory of the hydrogen atom an electron moves in acircular orbit about a proton. the radius of the orbit is0.53x10^-10m. find the electrostatic force acting on each particle
A laser is used in eye surgery to weld a detached retina back into place. The wavelength of the laser beam is 470 nm, while the power is 2.2 W. how many photons are emitted by the laser
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