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A capacitor is positioned across a battery and permitted to charge fully. The battery is left joined and the plates of the capacitor are then moved apart (d increases).
On the earth, determine how big would the aperture of a telescope have to be in order to view a 6 ft (1.83m) astronaut walking on the moon? (The moon is around 3.8 x 108 m from the earth; employ &la
Determine the effect of single slit diffraction on the N-slit interference pattern? Choose all that apply i) The N-slit maxima that coincide with diffraction minima are darker than on pure N-slit patt
Determine the wavelength of the electromagnetic wave which generates a third order diffraction pattern spot 47° from the central spot by using a grating having 4,000 lines/cm?
(i) Determine the velocity of the truck right after the collision? (ii) Determine how much mechanical energy is lost in the collision? Account for this loss in energy
explanation, a professor employs a razor blade to cut a thin slit in a piece of aluminum foil. If she shines a laser pointer () via the slit onto a screen 5.5 away, a diffraction pattern appears. Th
Determine what does the answer to this problem state about laws needing the use of proper safety devices like seat belts and special toddler seats?
You encompass a distance among the two slits which is 0.0500 mm and the distance to a screen is 2.50 m. Determine the spacing among the first and third order bright fringes for light which consists
A certain telescope always generates fuzzy halos or circles around the image of the bright star. When it consists of high quality lenses, what is probably wrong with the choice of the telescope?
A clear sheet of Polaroid is positioned on top of an identical sheet so that their polarizing axes forms an angle of 30° with one other. The ratio of the intensity of emerging light to incident
A hole is drilled in the mass-less rod system from the first question. This hole is one third 1 from the larger mass. When a peg is placed via the hole and the system is now rotating around this peg
The two masses are joined altogether by a mass-less rod of length 1. One mass is one third the mass of the other. They are rotating with the angular velocity of w. Determine the moment of inertia an
A 2 cm broad object is positioned 3cm in front of the 1cm focal length concave mirror. The final image will be:
Particle 1 having mass m1 and a velocity of v1 strikes Particle 2 which consist of a mass m2 and is at rest. The collisions are inelastic and stick altogether. Determine the final velocity of the ne
A meter stick is found to balance the 49.7 cm mark if positioned on the fulcrum. If a 45.0 gram mass is joined at the 9.0 cm mark, the fulcrum should be moved to the 39.2 cm mark for balance. Determ
A circular loop lies with the plane normal to the magnetic field given by B = (2.500 - 0.0100t) T, where t represents the time in seconds. The induced emf in the loop is around 2.90 V. Compute the
A circuit comprises of a large electromagnet which consists of an inductance of 52.0H and a resistance of 7.90 ohms, a dc 280V power source, and an open switch, all joined in series. i) Determine h
When the string is 2.05 m long and forms an initial angle of 35.0 degrees with the vertical, compute the speed of the particle at the given positions.
A thin ‘plano-convex’ lens consists of one curved surface and one flat surface. When the lens is made up of glass, then what radius of curvature must the curved face have in order to obt
An electron moves with the speed of 0.97c. Determine the correct value of the electron's momentum according to the special relativity?
A capacitor of 1000 pF with circular plates 1.0 cm in diameter is charging at 42 mC/s. Determine the magnitude of the magnetic field at 8.0 cm from the center of the plates?
Write down a typical practical illustration of Motion and describe this illustration in the context of Newton's three Laws of Motion. Please describe at least initial and final velocities, accelerat
i) Determine the potential energy in the spring if the block is moving at half its initial speed? ii) Determine the compression of the spring at that time?
Determine the moment of inertia of the stool with respect to the axis which is perpendicular to the plane of the disk at its center.
The magnetic field within a superconducting solenoid is 3.25T. The solenoid consists of an inner diameter of 5.00cm and a length of 30.0cm. i) Determine the magnetic energy density in the field?