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Two uniform solid cylinders, each rotating about its central (longitudinal) axis, have the same mass of 4.90 kg and rotate with the same angular speed of 264 rad/s, but they differ in radius. What i
A bowling ball has a mass of 7.2 kg and radius of 0.11m. A billiard ball has a mass of 0.38 kg and a radius of 0.028 m. Both are treated as a sphere. What is the magnitude of the max gravitational f
What is the average force imparted to the two gloved hands during the catches of the experienced catcher?
For best uniformity of the magnetic field what should be the veritcal separation of the coils.
A beam of monochromatic light is incident on a single slit of width 0.620 mm. A diffraction pattern forms on a wall 1.35 m beyond the slit. The distance between the positions of zero intensity on bo
A bullet is fired with a speed of 736 m/s. The speed of sound in the air is 343 m/s. Find the angle made by the shock cone with the line of motion of the bullet.
An average neutron star has approximately the same mass as the Sun, but is compressed into a sphere of radius roughly 10 km. What would be the approximate mass of a teaspoonful of matter that dense?
A hoop and a disk, both of 0.38- m radius and 3.0- kg mass, are released from the top of an inclined plane 3.3 m high and 9.0 m long. What is the speed of each when it reaches the bottom? Assume tha
It is noted that the block-spring system, when compressed 5.0 cm and released, stretches out 2.3 cm beyond the equilibrium position before stopping and turning back. What is the coefficient of kinet
You shoot a ball of mass 50g into a pendulum arm of mass 200g, whose center of mass rises 15cm. Calculate the initial velocity of ball.
Two planets have the same mass. Each planet has a constant density, but the density of planet 2 is three times as high as that of planet 1. Identical objects of mass m are placed on the surfaces of
A vertical spring (ignore its mass), whose spring stiffness constant is 820 N/m, is attached to a table and is compressed down 0.180 m. (a) What upward speed can it give to a 0.300 kg ball when rele
A distant galaxy emits light that has a wavelength of 550.5 nm. On earth, the wavelength of this light is measured to be 450.8 nm. (a) Decide whether this galaxy is approaching or receding from the
A solenoid had an inductance of L and carries a current of 15 A , if the current goes from 15 A to 0 A in time fo 75 ms and the EMF induced in the solenoid was 620 V. (a) What is the value of the i
An unstable particle at rest breaks up into two fragments of unequal mass. The mass of the lighter fragment is equal to 2.40 x 10-28 kg and that of the heavier fragment is 1.67 x 10-27 kg. If the lig
What fraction of the power radiated by the sun is intercepted by the planet Uranus? The radius of Mercury is 2.56 x 107m, and its mean distance from the sun is 2.87 x 1012m. Assume that the sun radiat
A beam of polarized light with an average intensity of14.8W/m2is sent through a polarizer. The transmission axis makes an angle of32°with respect to the direction of polarization. Determine the
A parallel-plate capacitor has an area of 5.50 cm2, and the plates are separated by 1.06 mm with air between them. It stores a charge of 314 pC. What is the potential difference across the plates of
(a) What is the angular frequency of the motion? (b) Using the position of the bob at its lowest point as the reference level, determine the total mechanical energy of the pendulum as it swings back
A 0.596 -kg block is then attached to the free end of the spring. When released from rest, the block drops 0.120 m before momentarily coming to rest, after which it moves back upward. (a) What is th
A tow truck is pulling a car out of a ditch by means of a steel cable (Y = 2.0 x 1011 N/m2) that is 8.87 m long and has a radius of 0.462 cm. When the car just begins to move, the tension in the cab
The pressure increases by 1.0 x 104 N/m2 for every meter of depth beneath the surface of the ocean. At what depth does the volume of a Pyrex (bulk modulus 2.6 x 1010 N/m2) glass cube, 1.2 x 10-2 m on
A sample of an unknown material appears to weigh 280 N in air and 175 N when immersed in alcohol of specific gravity 0.700. (a) What is the volume of the material?
An electron that has a velocity with x component 2.9 x 106 m/s and y component 3.7 x 106 m/s moves through a uniform magnetic field with x component 0.037 T and y component -0.20 T. (a) Find the magni
Monatomic molecules adsorbed on a surface are free to move on this surface and can be treated as a classical ideal two dimensional gas .At absolute temperature T. What is the heat capacity per mole