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Q1. According to the Guinness Book of World Records (1990 edition, p. 169), the highest rotary speed ever attained was 2010 m/s (4500 mph). The rotating rod was 15 cm (5.9 in) long. Imagine the speed quoted is that of the end of the rod.
What is the centripetal acceleration of the end of the rod? Response in units of m/s2
Q2. The thin plastic rod of length L = 10.0 cm has a non uniform linear charge density λ = cx, where c = 49.9 pC/m. (a) With V = 0 at infinity, find an electric potential at point P2 on the y axis, a distance y = D = 3.56 cm. (b) Find electric field component Ey at P2. (c) Why cannot the field component Ex at P2 be found using the result of (a)?
A satellite orbiting the moon very near the surface has a period of 110 min, What is the free-fall acceleration on the surface of the moon in SI units
Determine out the greatest possible angular speed it can have for the matter at the surface of the star on its equator to be just held in orbit by the gravitational force.
A particular organic molecule forms an electric dipole by possessing an effective charge separation of 0.177 nm for a pair of ±1.60 × 10-19-C charges. (a) What is the magnitude of the molecule's electric dipole moment?
A dipole composed of a ±q point charge, separated by a distance d = 2.24e-14 m and aligned parallel with the x axis, Find the expression for the potential on the x axis
A particle of charge q = e moves in a circle of radius = 0.42 m with speed v = 2.150×107 m/s. find the maximum torque exerted on the loop by a uniform magnetic field of magnitude B = 0.60 T
icyclists in the Tour de France do enormous amounts of work during a race. For example, the average power per kilogram generated by Lance Armstrong (m = 75.0 kg) is 6.50 W per kilogram of his body mass.
Two sinusoidal waves of the same frequency travel in the same direction along a string. what is the amplitude (in cm) of the resultant wave
The hare waits for a while after the tortoise passes and then runs toward the finish line again at 7.45 m/s. Both the hare and the tortoise cross the finish line at the exact same instant.
A parallel-plate air-filled capacitor having area 41.0 cm2 and plate spacing 2.70 mm is charged to a potential difference of 360. V. calculate the energy density between the plates
Select all that apply. Which is the following statements is true?
Light of wavelength 560 nm illuminates a single 0.77 mm wide slit. At what distance from the slit should a screen be placed, What is the width of the central maximum
A gas is enclosed in a cylinder fitted with a light frictionless piston and maintained at atmospheric pressure. Calculate the change in internal energy of the gas
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