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An electron is moving through a magnetic field whose magnitude is 8.76 x 10-4 T. The electron experiences only a magnetic force and has an acceleration of magnitude 3.32 x 1014 m/s2. At a certain instant, it has a speed of 8.36 x 106 m/s. Determine the angle (less than 90o) between the electron's velocity and the magnetic field.
You operate a small grain elevator near Champaign, Illinois. One of your silos uses a bucket elevator that carries a full load of 800 kg through a vertical distance of 40 m. (A bucket elevator works with a continuous belt, like a conveyor belt.)
a particle with a charge of q -5.50nc is moving in a uniform magnetic field of b? -1.25t k.the magnetic force on the
A 480 g ball swings in a vertical circle at the end of a 1.9 m-long string. What is the speed of the ball at that point
A 57.0-m length of coaxial cable has an inner conductor that has a diameter of 2.58 mm and carries a charge of 8.10 µC. obtain the potential difference between the two conductors
A hemispherical observation dome is proposed for a new tourist oceanarium and the owners want it as large as possible and as deep as possible. What is the maximum diameter y2 of the dome that is safe from seal failure
when it falls back it hits the ground with speed v1=50m/s. The mass of the ball is m=20g. Evaluate what is the total work done by the drag force while the ball is in the air?
A force of 210N is applied to a 50.0 kg box. The force is directed 20 degree above the horizontal. The coefficient of kinetic friction between the box and the floor is 0.25 and the box moves 3.00m across the horizontal floor. A) How much work is done..
consider the human eye to be composed of a thin lens of uniform index of refraction n 1.42 with fluid of n 1 inside
Calculate the de Broglie wavelength ? of an electron with energy EF in sodium, and compare the value with the atomic separation R in sodium
a 5kg Potter's wheel (model as a disk) with radius 0.3m is spinning at 5 rad/s. what is the mass of the clas
1 what is the spring stiffness of the entire wire considered as a single macroscopic large scale very stiff spring?2
A person weighs 670N steps onto a spring scale in the bathroom, and the spring compresses by 0.79 cm. What is the spring constant? And what is the weight of another person who compresses the spring by 0.34 cm.
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