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The other end is given an initial horizontal velocity such that the precession is smooth with no nutation. (a) What is the angular velocity of precession?
A thermos contains 180 cm3 of coffee at 85° C. To cool the coffee, you drop two 11-g ice cubes into the thermos. The ice cubes are initially at 0° C and melt completely. What is the final t
a 2.5 kg ball strikes a wall with a velocity of 8.5 m/s to the left. the ball bounces off with a velocity of 7.5 m/s to the right. if the ball is in contact with the wall for 0.25s, what is the cons
A 68kg woman stands on a very light, rigid board that rests on a bathroom scale at each end. She is standing 1.5m from one scale, and, 0.5m from the other. What is the reading on each of the scales?
A glass window pane is exactly 20 cm by 36 cm at 10oC. By how much has its area increased when it temperature is 33oC, assuming that it can expand freely? Take the coefficient of thermal expansion
However, the contents of the box are found to be only 61.0% Sr-90. The radioactive element Sr-90 is known to have a half-life of 28.6 years. How long ago was the sample created?
Find the magnitude of the displacement of a point on a wheel initially in contact with the ground when the wheel (of radius 53.7 cm) rolls forward half a revolution.
A rectangular container measuring 26 cm 47 cm 59 cm is filled with water. What is the mass of this volume of water in kilograms and grams?
A river has a steady speed of 0.200 m/s. A student swims upstream a distance of 1.00 km. If the water were still, by how much would the trip be longer or shorter?
While fishing, you get bored and start to swing a sinker weight around in a circle below you on a 0.20 m piece of fishing line. The weight makes a complete circle every 0.20 s. What is the angle tha
A layer of oil (n = 1.45) floats on an unknown liquid. A ray of light shines from the oil into the unknown liquid. The angles of incidence and refraction are, respectively, 65.0° and 58.0°.
The string rotates at an angular speed of 56 rev/s, and its tip has a tangential speed of 45 m/s. What is the length of the rotating string?
A broad beam of light of wavelength 485 nm is incident at 90° on a thin, wedge-shaped film with index of refraction 1.50. An observer intercepting the light transmitted by the film sees 17 brig
One way to produce a beam of polarized light with intensity and polarization angle would be to pass unpolarized light with intensity through a polarizer whose transmission axis is oriented such that
Air (gamma=7/5) is compressed adiabatically to one fifth of its original volume. By what factor did the pressure of gas change during the compression?
An infinitely long wire is formed as in the diagram on your assignment. It is formed so that it has a circular portion of R = 50.0 cm and the straight portion is located at a distance r from the cen
Compute the speed of the block at the instant the dielectric leaves the capacitor assuming it starts at rest and that the voltage across the capacitor after the dielectric is removed is measured to
The angular momentum of a spinning wheel is 235 kg*m2/s. After application if a constant braking torque for 2.3 s, it slows an a new angular momentum of 123kg*2/s. What is the torque applied?
What is the maximum force that can be exerted on the femur bone in the leg if it has a minimum effective diameter of 3.4 cm? Answer in units of kN.
A sculpture is 7.50 m tall and has its CG located h=3m above the center of its base. The base is a square wu=ith a side of d=13.6 m. To what angle beta can the sculpure be tipped before if fall over
Let's play Jeopardy! For $100, the answer is: that elegant classical mechanics equation that is almost only of any practical value in solving specific problems when it is completely separable.
A 2.8 m diameter merry-go-round with a mass of 250 kg is spinning at 24 rpm. John runs tangent to the merry-go-round at 5.0 m/s, in the same direction that it is turning, and jumps onto the outer ed
A force F applied to an object of mass m1 produces an acceleration of 3.10 m/s2. The same force applied to a second object of mass m2 produces an acceleration of 1.90 m/s2.
Now imagine that you are a Haitian taptap driver and want a more comfortable ride. You decide to replace the springs with new springs that can handle the typical heavy load on your vehicle. What spr