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1. A solid, horizontal cylinder of mass 11.0 kg and radius 1.30 m rotates with an angular speed of 8.00 rad/s about a fixed vertical axis through its center. A 0.250-kg piece of putty is dropped verticaly onto the cylinder at a point 0.900 m from the center of rotation and sticks to the cylinder. Determine the final angular speed of the system.
_____________rad/s (answer)
A whale comes to the surface to breathe and then dives at an angle of 20 degree below the horizontal.
The maximum speed of the photoelectrons from a photoelectric experiment with a silver surface (work function: 4.73 eV) is found to be 3.00× 106 m/s
Two speakers, 6.00 m apart, are driven by the same audio oscillator so that each one produces a sound consisting of two distinct frequencies, 1000 Hz and 1360 Hz. The speed of sound in the room is 350 m/s.
1ml of distilled water is injected into a length of 3mm diametre tubing and sealed at the other end by folding over, Why doesn't water drain out when the tube is hung vertically
A He-Ne laser beam with an intensity of 1.00 x 103 W/m2 is incident from air to water, Find the intensity of the beam transmitted into the water
In order for Sasha (in A-5) to feel weightless at the top of the ride, a) at what linear speed must the Ferris wheel tum? b) At this speed, how much would she appear to weigh at the bottom of the Ferris wheel.
A 3.00 kg steel ball strikes a massive wall at 10.0 m/s at an angle of ? = 60.00 with the plane of the wall. what is the average force exerted by the wall on the ball
A uranium and iron atom reside a distance R = 54.70 nm apart. The uranium atom is singly ionized; the iron atom is doubly ionized. find the magnitude of the force on the electron from the uranium ion
Consider two identical +53 microcoulomb point charges placed 58 cm apart. Calculate the work (in J) required to move the test charge to a point 8 cm closer to either of the charges
An infinite line of positive charge lies along the y axis, with charge density ? = 2.80 ?C/m. Find the magnitude of the net force exerted on the dipole
Assume that the sun runs out of nuclear fuel & suddently collapses to form a white dwarf star, with a diameter equal to that of the Earth. Estimate the new rotation period of the Sun.
A loudspeaker of mass 22 {rm kg} is suspended a distance of h = 1.60 {rm m} below the ceiling by two cables that make equal angles with the ceiling. Each cable has a length of l = 3.30 {rm m}.
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