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A 1.5 kg bicycle wheel with a radius of 0.27 m turns at a constant angular speed of 28 rad/s when a(n) 0.33 kg reflector is at a distance of 0.14 m from the axle. What is the angular speed of the wheel when the reflector slides to a distance of 0.27 m from the axle?
It's possible to use the ideal-gas law to show that the density of the earth's atmosphere decreases exponentially with height, Determine the value of z0
A 71 kg skier encounters a dip in the snow's surface that has a circular cross section with a radius of curvature of 12 m. If the skier's speed at point A is 7.0m/s , what is the normal force exerted by the snow on the skier at point B? Ignore fricti..
What is the least speed the block must have at the top of the loop to make it around the loop-the-loop without leaving the track
The Space Shuttle travels at a speed of about 7.60 103 m/s. The blink of an astronaut's eye lasts about 110 ms. How many football fields (length = 91.4 m) does the Shuttle cover in the blink of an eye?
A 0.6410-kg ice cube at -12.40°C is placed inside a chamber of steam at 365.0°C. Later, you notice that the ice cube has completely melted into a puddle of water.
The spring of the pressure gauge shown in has a force constant of 1 400N/m, and the piston has a diameter of 1.60cm. When the gauge is lowered into water in a lake, what change in depth causes piston to move in by 0.850cm.
Six artificial satellites complete one circular orbit around a space station in the same amount of time. Each satellite has mass and radius of orbit. The satellites fire rockets that provide force needed to keep a circular orbit around the space stat..
Relative to the ground, determine the angle of the velocity vector of the package just before impact.
The spring of the pressure gauge has a force constant of1000 n/m and the piston has a diameter of 2.00 cm as the gauge is lowered into water, what change in depth causes piston to move in by 0.50 cm.
A Garden hose with a cross sectional area of 3.2x10^-4 m^2 is used to fill up a bucket with a volume of 6.5x10^-2 m^3 in 25 seconds
How far in front of the cattle should the pilot release the hay so that the bales will land at the point where the cattle are stranded.
A given copper wire has a resistance of 5.11 ? at 20.0°C while a tungsten wire of the same diameter has a resistance of 4.61 ? at 20.0°C
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