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A proton is moving along a circular trajectory of radius R = 5.22 cm perpendicular to a uniform magnetic field of 0.200T. What is the speed of the proton? mp=1.67x10-27 kg.
The drawing shows four insulated wires overlapping one another,forming a square with 0.050-m sides. All four wires are much longerthan the sides of the square. The net magnetic field at the centerof the square is 73 μT directed into the drawing. C..
The ultrasonic transducer used in medical ultrasoundimaging, is a very thin disk ( m =0.10g) driven back, What is the disk's maximum speed at this amplitude
a child loses his balloon which rises slowly into the sky. if the balloon is 14 cm in diameter when the child loses it
A uniform bar of length l and mass m is suspended by two equal springs of equilibrium length b and force constant k , as shown in the diagram. find the normal modes of small oscillation in the plane.
A ball of clay weighing 0.5 kg is thrown at a pendulum bob at rest weighing 4-kg. What is the velocity of the pendulum bob
a radio tower has a 64-foot shadow cast by the sun. if the angle from the tip of the shadow to the top of the tower is
when a resistor is connected by itself to an ac generator the average power delivered to the resistor is 1.500 w. when
A particle moves on the x axis under the influence of the force F = ?/x3. The initial position is x0, and the initial velocity is 0. [Data: mass = 1 kg; ? = 2 N m3; x0 = 3 m. ]
A person with mass 70.0 kilogram jumps out of a window from a fire in his building into the firefighters' net below. Find his change in momentum during the 0.40 second interval
Two objects attract each other gravitationally with a force of 3.0×10-10 N when they are 0.60 m apart. Their total mass is 4.0 kg. Determine their individual masses.
A helicopter, starting from rest, accelerates straight up from the roof of a hospital. The lifting force does work in raising the helicopter. An 730-kg helicopter rises from rest to a speed of 8.8 m/s in a time of 3.9 s. Through this time it climbs t..
on march 27 2004 the united states successfully tested the hypersonic x-43a scramjet which flew at mach 7 seven times
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