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A certain orthodontist uses a wire brace to align a patient's crooked tooth as in the figure below. The tension in the wire is adjusted to have a magnitude of 21.1 N. Find the magnitude of the net force exerted by the wire on the crooked tooth.
A mass is attached to the end of a spring and set into oscillation on a horizontal frictionless surface by releasing it from a stretched position of x = +0.150 m. find maximum speed of the oscillating mass
A right triangle has sides of 30, 40 and 50 cm. A charge of -10 x 10-6 C is placed at the right angle; a charge of + 10 x 10-6C at the smaller acute angle and a charge of + 5.0x10-6 C at the larger acute angle
A magnetic field of 2.00T is applied to a bubble chamber to make the tracts of protons, what is the momentum of the proton
The total mass of the decay products is less than the mass of the original 294Uus atom and what accounts for this missing mass
A loudspeaker of mass 25.0 is suspended the distance of = 2.40 below ceiling by two cables that make equal angles with the ceiling. Each cable has a length of = 2.50. What is the tension in each of cables.
A 28.9-g bullet is fired from a rifle. It takes 3.86 × 10-3 s for the bullet to travel the length of the barrel, find the average net force exerted on the bullet
A toy cork gun contains a spring whose spring constant is 10.02 N/m. The spring is compressed 5.0 cm and then used to propel a 6.00 g cork. The cork, however, sticks to the spring for 1 cm beyond its unstretched length before separation occurs. The m..
An ac generator with a frequency of 1.44kHz and an rms voltage of 24.2V is connected in series with a 2.10 kilo-ohm resistor, What is the average power consumed by this circuit
Two long, straight parallel wires are separated by a distance of 21.1 cm. What is the magnitude of the resulting magnetic field at apoint that is 12.1 cm from each wire
The space shuttle is in a 250km -high circular orbit. It needs to reach a 700km -high circular orbit to catch the Hubble Space Telescope for repairs. How much energy is required to boost it to the new orbit
The leg and cast weigh 220 N. find out the weight and the angle needed so that no force is exerted on the hip joint by the leg plus the cast.
The particles are in a magnetic field. Find the Hamiltonian Operator for the change in distance between the particles as they rotate and the Hamiltonian for the angual motion of the particles.
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