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A CD consists of a mass of around 17 g and a radius of 6 cm. Inserted into a player, the CD begins from rest and accelerates to an angular velocity of around 29 rad/s in 0.57 s. Supposing the CD is
A friend throws you a ball of 0.400 kg which is traveling horizontally at 10.0 m/s. Your mass is around 70.0 kg. i) When you catch the ball, then with what speed do you and the ball move afterwards?
A bat hits a baseball of 0.145 kg. Just before impact, the ball is traveling horizontally to the right at around 50.0 m/s and it leaves the bat traveling to the left at an angle of around 30.0 degr
A wrench is employed to loosen a tight bolt. Rank the configurations in order of the applied torque, from minimum to maximum. In A just the wrench is employed. In B, an extender bar is employed, per
A kid standing on the edge of a freely spinning merry-go-round moves speedily to the center. Which one of the given statements is essentially true regarding this event and explains why?
A pendulum comprises of a compact 0.10 kg bob joined to a string of length 2.30 m. A block of mass m rests on the horizontal frictionless surface. The pendulum is released from rest at an angle of a
Suppose that the sound wave radiates from the airplane uniformly in all directions. Please illustrate all your work.
A series RLC circuit consists of a resonant frequency of around 5.71 kHz. If it is driven at 8.36 kHz, it consists of an impedance of 1.10 k Ohm and a phase constant of 36.0o. Determine (i) R, (ii)
An electron begins from rest 29.0 cm from the center of a uniformly charged sphere of radius 3.45 cm. When the sphere carries a net charge of 6.25 E-9 C, then how fast will the electron be moving if
A wheel consists of a radius of 4.7 m. Determine how far (path length) does a point on the circumference travel when the wheel is rotated via the given angles, correspondingly?
It begins from rest at t = 0, and a line drawn from the center of the disk to a point P on the rim of the disk forms an angle of 57.3° with the positive x-axis at this time. Determine the linear
i) Determine the tangential acceleration of a bug on the rim of a 12.0 inch diameter disk when the disk accelerates uniformly from rest to an angular speed of around 77.0 rev/min in around 4 s?
Find out the quantum number of the level from which the electron falls? Employ values of h = 6.626 x 10-34 J•s, c = 2.998 x 108 m/s and e = 1.602 x 10-19 C.
A group of lines in the spectrum makes a series in which the shortest wavelength is around 40.51 nm and the longest wavelength is around 72.93 nm. Determine the next-to-the-longest wavelength in the
A laser radiating at 5.6 *10^-5 cm shines its beam via a 6.0 *10^3 line/cm diffraction grating. Determine the angles which both the 1st and 2nd order beams build with respect to the zeroth beam.
The third piece consists of a mass of around 100 g. In what direction does the third piece move?
At what value of t will the radial and tangential components of the linear acceleration of a point on the rim be equivalent in magnitude?
The two concentric circles of light emit light having wavelength 625 nm. The bigger circle consists of a radius of 4.0 cm and the smaller circle consists of a radius of 1.0 cm. If taking a picture o
Find out the magnitude of the net linear acceleration of a point on the rim of the disk at the moment if the angular velocity of the disk is around 1.5 rad/s?
Consider such a painting with the dots in the painting is apart by 1.1 mm and that the wavelength of the light in vacuum is 560 nm. Determine the distance at which the dots can just be resolved by e
The two diffraction patterns are made on the screen. Determine the distance (in cm) among the common center of the diffraction patterns and the first occurrence of a dark fringe from one pattern fal
A soap film having n = 1.33 is 308 nm thick and lies on the glass plate of n = 1.52. Sunlight, having wavelengths in vacuum expand from 380 to 750 nm, travels via the air and hits the film perpendic
An amateur astronomer decides to construct a telescope from a discarded pair of eyeglasses. One of the lenses consists of a refractive power of 11 diopters, while the other consists of a refractive
A battery encompassing an emf of 10.80 V delivers 100 mA if joined to a 71.0 load. Find out the internal resistance of the battery.
A microscope for viewing blood cells consists of an objective having a focal length of around 0.50 cm and an eyepiece having a focal length of around 2.5 cm. The distance between the objective and e