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At some instant an alpha particle (q=+2e) has the coordinates (3.0,0.0,0.0)(nm) and is moving along the positive x axis with 500 km/s while an electron at (0.0,4.0,0.0)(nm) is moving along the y axis with 1000 km/s.
a) the magnitude and direction of the total magnetic field at the origin. b) the magnitude and direction of the magnetic force felt by the electron.
A bird stands on a dc electric transmission line carrying 3300A (Figure 1) . The line has 2.7×10?5? resistance per meter, and the bird's feet are 3.5cm apart
A beam of light strikes a sheet of glass at an angle of 57.0deg. with the normal in air. You observe that red light makes an angle of 38.1 degrees with the normal in the glass, What are the speeds of red and violet light in the glass
A system with m = 0.026 kg , k = 35 N/m and b = 0.59 kg/s is driven by a harmonically varying force of amplitude 3.6 N. Find the amplitude of the steady-state motion
The following three forces act simultaneously on the same object. A = 300 N, 300 N of E; B = 600 N, 2700; and C = 100 N due east. Find the resultant force using the polygon method
An m = 6.60-kg clay ball is thrown directly against a perpendicular brick wall at a velocity of 22.0 m/s and shatters into three pieces, What is the direction of the third piece
A friend tells you that when he takes off his eyeglasses and holds them 18cm above a printed page, what is the focal length of your friend's glasses
the man and the platform together weigh 1200 N. The pulley can be modeled as frictionless. Elucidate how hard the man has to pull on the rope to lift himself steadily upward above the ground.
A regulation table tennis ball has a mass of 2.8g and is 40mm in diameter. What is its moment of inertia about an axis that passes through its center
A cylindrical specimen of aluminum with a diameter of 19 mm and length of 200 mm is deformed elastically by applying a tensile force of 7.0x10^3 N parallel to the cylinder axis. Determine the change in diameter of the specimen (in mm).
Calculate the UNCERTAINTY of the specific gravity of a liquid given the following information: m = 54.50 +/- 0.05 grams, mA = 33.50 +/- 0.05 grams
A charge +q is at the origin. A charge -2q is at x = 9.10 m on the +x axis. (a) For what finite value of x is the electric field zero? (b) For what finite values of x is the electric potential zero? (Note: Assume a reference level of potential V =..
A parallel-plate capacitor is formed from two 2.20 cm multiplied by 2.20 cm electrodes spaced 2.0 mm apart. What is the charge (in nC) on each electrode
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