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A track has a height that is a function of horizontal position x, given by h(x) = x3 + 4x2 ? 37x + 16.
Find all the positions on the track where a marble will remain where it is placed.
What kind of equilibrium exists at each of these positions? (Enter your answers from smallest to largest.)
On her way to visit Grandmother, Red Riding Hood sat down to rest and placed her 1.7-kg basket of goodies beside her. A wolf came along, at what angle was Red Riding Hood pulling
The rotor (flywheel) of a toy gyroscope has mass 0.140 kg. Its moment of inertia about its axis is The mass of the frame is 0.0250 kg. Find the upward force exerted by the pivot
How many wavelengths are there in one pulse
A war-wolf or trebuchet is a device used during the Middle Ages to throw rocks at castles and now sometimes used to fling large vegetables and pianos as a sport. A simple trebuchet.
An archer pulls her bow string back 0.40m by exerting a force that increases uniformly from zero to 25 N. How much work does the archer do in pulling back the bow.
A ray of light incident upon a mirror makes an angle of 42 with the mirror. What is an angle between the incident ray and the reflected ray.
An engine does 17200 J of work and rejects 6470 J of heat into a cold reservoir whose temperature is 272 K
A glass coffee pot has a circular bottom with a 9.00cm diamteter in contact with a heating element that keeps the coffee warm with a continous heat transfer rate of 50.0w, what is the temperature of the bottom of the pot, if it is 3.00mm thick and..
Air that initially occupies 0.47 m3 at a gauge pressure of 100 kPa is expanded isothermally to a pressure of 101.3 kPa, Compute the work done by the air
A circular wheel has a radius R = 0.45 + or - 0.02 m. The wheel is observed to be rotating uniformly with period T = 2.00 +or- 0.05 s. Compute the frequency with which the wheel spins
A window air-conditioner unit absorbs 9.75×10^4J of heat per minute from the room being cooled, What is the power consumption of the unit in watts
A 2.00-kg package is released on a 53.1° incline, L = 3.93 m from a long spring with force constant 120 N/m, What is the maximum compression of the spring
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