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The cube shown in the figure below, 50.0 cm on a side, is in a uniform magnetic field of 0.140 T, directed along the positive y-axis. Wires A, C and D move in the directions indicated, each with a speed of 0.350 m/s. (Wire A moves parallel to the xy-plane, C moves at an angle of 45.0o below the xy-plane, and D moves parallel to the xz-plane.) What is the potential difference between the ends of each wire?V (wire A)V (wire C)V (wire D)
A 4.00-kg block of ice is placed against a horizontal springthat has a force constant k=200 N/m and is compressed 0.025m. Calculate the work done on the block by the spring during the motion of the block from its initial position
Diagnostic ultrasound of frequency 3.03 MHz is used to examine tumors in soft tissue. (a) What is the wavelength in air of such a sound wave? (b) If the speed of sound in tissue is 1340 m/s, what is the wavelength of this wave in tissue? (Take the sp..
An electric dipole of dipole moment 4.5 x 10-9 C·m is in a 250 N/C electric field, what is the potential energy
A 35.0-m long string has a linear mass density of 0.00850 kg/m and is under a tension of 25.0 N. Find the frequency of the fourth harmonic
Two charge distributions, Q1=1.4X10^-10C and Q2=3.5X10^-10, WHat is the force between them and the electric field between them?
A speed skater moving across frictionless ice at 8.4 m/ s hits a 5.2 m -wide patch of rough ice. She slows steadily, after that continues on at 6.3 m/s.
A 74-kg trampoline artist jumps upward from the top of a platform with a vertical speed of 4.5m/s. How fast is he going as he lands on the trampoline
One day when you come into physics lab you find several plastic hemispheres floating like boats in a tank of fresh water. What is the mass of the heaviest rock that, in perfectly still water, won't sink the plastic boat
A double slit is opposite the center of a 1.7-m wide screen 2.3 m from the slits. The slit separation is 24 µm and the width of each slit is 7.2 µm. How many fringes are visible on the screen if the slit is illuminated by 590-nm light?
A body of rest mass m0, travelling initially at a speed 0.6c. makes a completely inelastic collision with an identical body initially at rest, (a) What is the speed of the resulting single body? (b) What is its rest mass?
You are in a parked car and observe another car pass you with a speed of 10 mph. How long does it take you to overtake the original moving car
a particles have charges q1 -q2 450 nc and q3 -q4 95 nc and distance a 5.8 cm. what are the a x and b y components
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