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A rod 34 cm long moves at 8 m/s in a plane perpendicular to a magnetic field of 800G. The velocity of the rod is perpendicular to its length.
a) Discover the magnetic force on an electron in the rod.
b) Discover the electrostatic field vector E in the rod.
c) Discover the potential difference V between the ends of the rod.
An unstable particle with a mass equal to 3.34x10^-27 kg is initially at rest. Find the masses of the fragments
Two skaters, one with mass of 58 kg and the other with mass 41 kg, stand on an ice rink holding a pole of length 9.5m and negligible mass. Starting from the ends of the pole, the skaters pull them selves along the pole until they meet. How far doe..
a closed frictionless piston-cylinder assembly contains 4 lbm of h20. beginning with an initial volume of 10 ft3 the
At what time after the discharge begins is the energy stored in the capacitor reduced to half its initial value? RC=3ms (timeconstant for capacitor to discharge)
what is th capacitance of a parallel plate capacitor where the plates have an area 5 sq meters and are separated by a
A camera's zoom lens covers the focal-length range 38mm -138mm . You point the camera at a distant object and photograph it first at 38mm and then with the camera zoomed out to 138mm . Compare the sizes of its images on the two photos.
suppose that no heat is lost to the surroundings, what is the situation when termal equilibrium is reached.
A spherical mirror has a focal length of +10cm. Find the location and then describe the miage for an object for an object distance of 25cm. How fast does the image of the object move
A light wave has a 670 {\rm nm} wavelength in air. Its wavelength in a transparent solid is 420 {\rm nm}. What is the speed oflight in this solid, in m/s? What is the light's frequency in the solid, in Hz?
Imagine holding the above plastic block under water. When released, what is the upward acceleration of the block
at what temperature will aluminum have a resistivity that is three times the resistivity of iron at room temperature?
Two billiard balls undergo a glancing collision. Before the collision the first ball was traveling east at 2.6 m/s, what is the speed of the first ball after the collision
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