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A positively charged particle of mass 6.2*10-8 kg is traveling north with a speed of 61 m/sand enters a 0.33 T uniform magneticfield. The particle moves through one-quarter of a circle in a timeof 3.0*10-3 s, at which time it leaves the fieldheading east. All during the motion theparticle moves perpendicular to the magnetic field.(a) Determine the magnitude and charge of the particle(b) What is the direction of the uniform magnetic field
A 50-kg person steps on a scale in an elevator that is moving upward. The scale reads 512.5 N. What is the magnitude in m/s2 of the acceleration of the elevator
Electromagnetic waves, with frequencies ranging from 4.00 x 10^14 Hz to 9.00 x 10^16 Hz, Find the maximum kinetic energy of electrons ejected from this surface
A 25 g bullet travelling 250 m/s penetrates a 2 kg block of wood and emerges cleanly at 150 m/s. If the block is stationary on a frictionless surface when hit, how fast does it move after the bullet emerges?
A 740 N diver drops form a board 9m above the waters surface. The acceleration of gravity is 9.81m/s^2. Find the diver's speed 4.7m above the water's surface
Estimate the resolution of the human eye, limited by diffraction. Find the minimum resolvable separation between two points at a distance of 10 m
3.11 x 1016 electrons are passing from left to right through a wire every seconds. what is the current in that wire in
During a rockslide, a 270kg rock slides from rest down ahillside that is 480m long and 300m high. How much mechanical energy is dissipated by the normal forceduring the slide down the hill
Julie drives 100 mi to Grandmother's house. On the way to Grandmother's, Julie drives half the distance at 44.0, What is her average speed on the return trip
What least horsepower must a motor have to be able to drag a 320 box along a level floor at a speed of 1.10 if the coefficient of friction is 0.50.
At an amusement park there is a ride in which cylindrically shaped chambers spin around a central axis, What is the radius of a chamber
Consider two identical +53 microcoulomb point charges placed 58 cm apart. Calculate the work (in J) required to move the test charge to a point 8 cm closer to either of the charges
What is the weight of the staging. A highway curve with radius 800 is to be banked so that a car traveling 56.0 will not skid sideways even in the absence of friction. At what angle must the curve be banked.
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