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Q1. A space station, in the form of a wheel 128 m in diameter, rotates to provide an "artificial gravity" of 3.20 m/s2 for persons who walk around on the inner wall of the outer rim. Find the rate of the wheel's rotation in revolutions per minute that will produce this effect.
Q2. Two ocean liners, each with a mass of 40,000 metric tons, are moving on parallel courses, 92 m apart. What is the magnitude of the acceleration of one of the liners toward the other due to their mutual gravitational attraction? Care for the ships as particles.
while the tilt angle theta equals 75 degrees is held constant, the load is slowly lifted vertically by a winch until the length of the vertical cable is negligible, and the load mass effectively sits at the upper end of the beam.
Three single-phase step-up transformers rated at 10MVA, 4.6kV/13.8kV are connected in Wye-Delta configuration. The three transformers are used to feed a 20MVA load at 0.9 p.f. With an efficiency of 96%. Find the secondary line voltage.
The volume flow rate in an artery supplying the brain is 3.20 10-6 m3/s. If the radius of the artery is 6.00 10-3 m, determine the average blood speed
A college campus features a large fountain surrounded by the circular pool. Two students start at the northernmost point of pool and walk slowly around it in opposite directions.
A car driving directly north on the freeway at a speed of 110 km/h and a truck is leaving the freeway driving 85 km/h in a direction 35 west of north
Assume that you need to get a heavy couch into the bed of a pickup truck. You know the bed of the truck is at the height of 1.00 and you require a ramp that makes an angle of 40 with the ground if you are to be able to push the couch.
A physicist has developed a device that generates a beam of alpha particles (each of which is a helium nucleus, consisting of two protons, two neutrons, and no electrons).
The air inside a bicycle tire pump has 151 joules of work done on it as 70.7 joules of heat is conducted away from it
4 Skater A, mass 55.0 kg, moving at 14.0 m/s bumps into stationary Skater B, mass 65.0 kg. What are the final speeds of the two skaters
A uniform plank of length 4.50 m and weight 275 N rests horizontally on two supports, with 1.1 m of the plank hanging over the right support. To what distance x can a person who weighs 456 N walk on the overhanging part of the plank before it just be..
Find the force on each side of the loop and the torque acting on loop.
The suspension system of your 1200 kg car has a natural oscillation frequency of 2.00 Hz without functioning shock absorbers. At what speed are you driving
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