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The Cajun Cliffhanger used to be a ride at Great America where you would stand with your back to the inside wall of a vertical cylinder. As the cylinder turned faster and faster, eventually the floor beneath you would be lowered leaving you 'plastered' to the wall. The ride had a radius of 2.5 m and a period of revolution of 2.0 seconds. Determine the minimum coefficient of friction needed to keep passengers from sliding down the wall when the floor is dropped away.
A swimming duck paddles the water with its feet once every 1.6s, producing surface waves with this period. How far apart are the crests behind the duck
A 350 kg piano slides 3.90 m down a 23 degree incline slope, and is kept from accelerating by a man who is pushing back on it parallel to incline. What is the force completed by the man.
A 201.9 kilogram satellite is in a circular orbit of 26,273 miles (42,300,000 meter) in radius. The force keeping the satellite in orbit is 46.3 Newton. Obtain what is the velocity of the satellite
how long does an organ pipe have to be if it is closed at one end open at the other and has a fundamental frequency of
Obtain what current flows through a 2.98 centimeter diameter rod of pure silicon that is 24.5 centimeter long, when 1000 Volt is applied to it
A car approaches the top of a hill that is shaped like a vertical circle with a radius of 60m. What is the fastest speed the car can go
A day-care worker pushes tangentially on a small hand-driven merry-go-round and is able to accelerate it from rest to a spinning rate of 20.4 rpm in 11.0 s. Calculate the torque required to produce the acceleration
A box stands against the wall of a cylinder that is rotating. The cylinder has a radius of 30cm. What is the minimum consant speed (magnitude of linear velocity) the box must move so it doesn't slip
The temperatures indoors and outdoors are 299 and 312 K, respectively. How much heat is removed from the house
A rock is thrown horizontally from a cliff that is above a lake's surfaces with a velocity of 12 m/s. How far from the cliff does the rock land
A flea jumps straight up to a maximum height of 0.470 m. What is its initial velocity v_0 as it leaves the ground.
You look up towards the moon which is at a distance of 380000 km from you. The pupil of your eye has a diameter of 3mm. What is the minimum distance between two objects
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