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A 1000-turn coil of wire that is 2.4cm in diameter is in a magnetic field that drops from 0.12T to 0T in 11ms . The axis of the coil is parallel to the field. What is the emf of the coil? Express your answer using two significant figures.
Smoke particles in the air typically have masses of the order of 10^-16 kg. Find the root-mean-square speed of Brownian motion for a particle with a mass of 3.00 x 10^-16kg in air at 300K
q1.a square coil of wire with 15 turns and an area of 0.40 m2 are placed parallel to a magnetic field of 0.75 t. the
Under some circumstances, a star can collapse into an extremely dense object made mostly of neutrons and called a neutron star. find the angular speed of the neutron star
A charged isolated metal sphere of diameter 20.0 cm has a potential of 9000 V relative to V = 0 at infinity. Calculate the energy density in the electric field near the surface of the sphere
A force given by F(x) = 5x3 (in N/m3) acts on a 1-kg mass moving on a frictionless surface. The mass moves from x = 3.87 m to x = 6.09 m. How much work is done by the force
q. a pump submerged at the bottom of a well that is 35m deep is used to pump water uphill to a house that is 50m above
in a historical movie two knights on horseback start from rest 99 m apart and ride directly toward each other to do
The angle of elevation theta is increased slowly from the horizontal. Illustrate at what value of theta does the block begin to slide (in degrees)?
Describe the full annealing heat treatment for a plain carbon steel.
A thin layer of magnesium fluoride (n = 1.38) is used to coat a flint-glass lens (n = 1.61). What atleast thickness should the magnesium fluoride film have if the reflection of 669 nm light is to be suppressed? suppose that the light is incident a..
A 100kg hollow sphere is neutrally buoyant and completely underwater. Its volume is 0.5 cubic meter. what fraction of this volume is helium
Two charged bodies exert the force of .145N on each other. If they are moved so that they are one fourth as far apart, what force is exerted.
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