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A positively charged particle of mass 5.40 10-8 kg is traveling due east with a speedof 70 m/s and enters a 0.45 T uniform magnetic field. The particle movesthrough one-quarter of a circle in a time of 2.80 10-3 s, at which time it leaves the fieldheading due south. All during the motion the particle movesperpendicular to the magnetic field.(a) What is the magnitude of the magnetic force acting on the particle?1 N(b) What is the magnitude of the charge of the particle?2 C
two sources produce coherent light waves that come together at a detector located 9.20000 mm from one source and
A lead bullet with a mass of 0.03 kg traveling at 187 m/s strikes an armor plate and comes to a stop. what is the temperature change
In reaching her destination, a backpacker walks with anaverage velocity of 1.03 m/s, due west. How far east did she walk
Two sides of a triangle are 16.9 cm and 29.5 cm, with tehincluded angle 113o. What is the length of the thirdside? Answer in units of cm. What is the angle opposite the side16.9 cm? Answer in units of o.
A Carnot engine with a hot-reservoir temperature of 500 degrees C has a thermal efficiency of 26.3%. What is the cold-reservoir temperature in degrees C
The biological activity of some organs can be investigated using radioactive isotopes. For example, iodine is important in the action of the thyroid. if the physical half life of is 194 hr, what is the biological half life of iodine in the bulk of ..
I place a 250 g mass on a spring. When it has finished oscillating, the spring has extended from 30 cm to 55cm. How do I calculate how far it has extended from its equilibrium? For the 250 g mass, what is the force exerted by gravity on this mass? Wh..
An elevator weighing 2500 N ascends at a constant speed of 8.0 m/s. How much power must the motor supply to do this?
Communication satellites are placed in geosynchronous orbit, i.e., in circular orbit such that they complete one full revolution about the earth in one sidereal day.
question the initial velocity of a 4.0kg box is 11ms due west. after the box slides 4.0m horizontally its speed is 1.5
In proton-beam therapy, a high-energy beam of protons is fired at a tumor. The protons come to rest in the tumor, What is the total charge of the protons that must be fired at the tumor to deposit the required energy
A proton with v=440 m/s is moving through a region in which the magnetic field is B=2.6T. what angle does the proton's velocity make with B
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