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A magnetic field consists of a magnitude of 0.078 T and is uniform ocer a circular surface whose radius is around 0.10 m. The field is oriented at an angle of φ = 250 with respect to the normal
A diver shines a light up to the surface of the flat glass-bottomed boat at an angle of around 41 degrees relative to the normal. When the indices of refraction of air, water and glass are 1.0, 1.33
Birds resting on the high-voltage power lines are a common sight. The copper wire on which a bird stands is about 2.2 cm in diameter and carries a current of around 50 A. When the bird's feet are 4.
Find out the speed of an electron just before it strikes a television screen after being accelerated from rest through the 2.3×104 V of the picture tube? Want an answer?
The wingspan (tip to tip) of a Boeing 747 jetliner is around 59 m. The plane is flying horizontally at a speed of around 220 m/s. The vertical component on the earth’s magnetic field is around
At what location(s) among the object and the screen must a lens of focal length 12.3 cm be positioned in order to generate a crisp image on the screen?
If in the present day Mars is 47.0 ahead of earth in its orbit around the sun, when will the two planets first be aligned all along a straight line from the sun, supposing circular orbits? (Note: Al
When the current in the solenoid rises uniformly from 0 to 5.7 A in 0.31s, determine the induced emf in the short coil throughout this time?
The two tightly wound solenoids encompass the similar length and circular cross-sectional area. However solenoid 1 employs wire which is half as thick as solenoid 2. i) Determine the ratio of their
A 10 micro-coulomb charge is positioned at the origin and a 20 micro-coulomb charge is positioned on the x-axis at x = 40 cm. When an electron is positioned on the y-axis at y = 30 cm, find out the
What current is required to produce the magnetic field strength of around 5.0 x 10^-5 T at a point 1.3 from a long, straight wire?
Determine the required angular speed (in) of an ultracentrifuge for the radial acceleration of a point 2.50 from the axis to equivalent 400000.
A proton accelerates from the rest in a uniform electric field of 650 N/C. At some later time, its speed is around 1.3 x 106 m/s. (i) Determine the magnitude of the acceleration of the proton.
Assume that the target described is located at the coordinates x = -0.10m and y = -0.10 m. In addition, assume that the particle is a proton and the magnetic field consists of a magnitude of 0.010 T
(i) In what direction are the electrons deflected through this field component? (ii) Determine the acceleration of an electron in part (i)?
Light shines via a single slit whose width is around 5.7 x 10-4 m. A diffraction pattern is made on a flat screen positioned 4.0 m away. The distance among the middle of the central bright fringe an
The two balls of equivalent mass (0.70 kg ) approach the origin all along the positive x and y-axes at the similar speed (3.5m/s). Determine the magnitude of the net momentum of the system?
An unstable particle at rest breaks up into two fragments of uneven mass. The mass of the lighter fragment is around 2.80 x 10-28 kg and that of the heavier fragment is around 1.61 x 10-27 kg. When
A capacitor is made up from the two 1.8 cm diameter coins separated through a 0.16 mm thick piece of paper (K = 3.7). A Battery of Twelve Volt is joined to the capacitor. Determine how much charge i
At a certain position the horizontal component of the magnetic field of Earth is 2.5*10^-5, due North. A proton moves eastward with just the right speed for the magnetic force on it to balance its w
An electron having kinetic energy 2.5 keV moves horizontally into the region of space in which there is a downward-directed uniform electric field of magnitude of 10 kV/m. (i) Determine the magnitu
The object is around 6.9 cm in front of a spherical mirror. The magnification is +1.3. What are (i) the image distance (comprising sign), (ii) the focal length of the mirror (comprising sign), and (
A spherical, non-conducting shell having inner radius r1= 10 cm and outer radius r2= 15 cm carries a net charge Q = 15 µC distributed uniformly all through its volume. Determine the electric f
An unstable particle at rest breaks up into the two fragments of uneven mass. The mass of the lighter fragment is around 2.00 x 10-28 kg, and that of the heavier fragment is around 1.69 x 10-27 kg. W