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A particle of charge q = 8.4 µC is moving at an angleof 24° with respect tothe x axis with a speed of 235 m/s. There is a constant magnetic fieldof magnitude 0.60 T parallelto x. Find the magnitude of the magnetic force on the particle.
A parallel-plate vacuum capacitor has 6.36 J of energy stored in it. The separation betweenthe plates is 2.20 mm. If the separation is decreased to1.85 mm,
A curling stone, with a mass of 20.0 kg, slides across the ice at 1.50 m/s. It collides head on with a stationary 0.160-kg hockey puck. What is the stone's final velocity
A flat slab of styrofoam, with a density of 32 kg/m^3, floats on a lake. What minimum volume must the slab have so that a 34kg boy can sit on the slab without it sinking
consider an ink jet printer the basic mechanism is that drops of ink each with a radius of r20um are charged to
A ray of light originating in oil (n = 1.21) is incident at the Brewster angle upon a flat surface of a quartz crystal (n = 1.458). Determine the angle of incidence for this ray
The output voltage of an AC source is given by ?v = 120 sin 26.0pt, where ?v is in volts and t is in seconds. Find the frequency of the source
A 10-kg block is set moving with an initial speed of 6 m/s on arough horizontal surface. how far does the block travel before it stops
The angular momentum of a flywheel having a rotational inertiaof 0.200 kg·m2 about itscentral axis decreases from 3.20 to 1.200 kg·m2/sin 1.60 s. What is the average power of the flywheel?
An astronaut weighs 152 N on the surface of the moon. If the same astronaut orbits the moon at an altitude equal to the moons radius, what gravitational force does the moon exert on him at this altitude?
A reservoir has an area of 45000 sq.ft and a uniform thickness of 10 meters. Determine the pore volume of the reservoir
The mass of the sun is 2.0x1030 Kg and the mass ofa hydogen atom is 1.67x10-27 Kg. If we assume that the sun is mostly composed of hydrogen, how many atoms are there in the sun?
Each plate of a parallel-plate capacitor is a square of side 3.17 cm and the plates are separated by 0.551 mm. Find the electric field strength inside the capacitor
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