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A solid cylindrical disk has a radius of 0.45 meter. It is mounted to an axle that is perpendicular to the circular end of the disk at its center. When a 15 Newton force is applied to the disk, perpendicular to its radius, the disk acquires an angular acceleration of 120 rad/s2. Evaluate what is the mass of the disk?
if a car stops suddenly you feel thrown forward. wed like to understand what happens to the passengers as a car stops.
Musicians can use beats to tune their instruments. One flute is properly tuned and plays the musical note A at exactly 440 Hz. By how much she must shorten her flute to bring it into tune
A wheel on a game show is given an initial angular speed of 1.22 rad/s. Determine the average torque exerted on the wheel given that it is a disk of radius 0.66 meter and mass 6.4 kilogram
A 1.00 -diameter vat of liquid is 2.90 m deep. The pressure at the bottom of the vat is 1.50atm. What is the mass of the liquid in the vat
The mass of a star is 1.050 x 1031 kilogram and it performs one rotation in 34.70 days. Determine its new period if the diameter suddenly shrinks to 0.670 times its present size
A rotating wheel has a constant angular acceleration. It has an angular velocity of 5.0 rad/s at time t = 0 s, and 3.0 s later has an angular velocity of 9.0 rad/s. What is the angular displacement of the wheel during the 3.0-s interval?
A boy on board a cruise ship drops a 30.0 g marble into the ocean. what is the terminal speed of the marble
what is the Tension in the string, distance of spheres from one another at equilibrium, the charge on each sphere.
A blacksmith cools a 1.30-kg chunk of iron, initially at a temperature of 650.0?C, by trickling 15.0?C water over it. How much water did the blacksmith trickle over the iron
The human lungs can function satisfactorily up to a limit where the pressure dissimilarity between the inside and outside of the lungs is1/19 of an atmosphere. If a diver uses a snorkel for breathing, how far below the water can she swim? Suppose the..
My neighbor opened the turner circuit of his radio and noticed that it uses a 4.5 ?H inductor together with a variable capacitor that ranges from 0.32 pF to 1.28 pF
Electrons have a charge of q = -1.602 × 10-19 C. A student observes a Styrofoam cup has a total charge of Q = -0.34 C. Compute how many electrons are in the cup
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