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In an amusement park ride, cars are suspended from L = 4.22 m cables attached to rotating arms at a distance of D = 6.08 m from the axis of rotation. The cables swing out at an angle of ? = 55° when the ride is operating. What is the angular speed of rotation?
a skateboard with mass M rolls down a ramp, starting from rest. It takes a time T to roll a distance L along the ramp
a circuits consists of a resistor and a capacitor in series with an ac source that supplies an rms voltage of 240 v. at
The tires of a car make 58 revolutions as the car reduces its speed uniformly from 91km/h to 36km/h . The tires have a diameter of 0.84m. how much more time is required for it to stop
The Houston Astrodome encloses a ground area of 37,000 m^2. Find the flux through the dome of the earth's magnetic field
A constant force, = (1.27, -2.33, 3.93) N, acts on an object of mass 10.3 kg, What is the total work done by this force
two 28.0 kg ice sleds that are placed a short distance apart, one directly behind the other. What are the final speeds of the two sleds
If a material increases its length from 130 m to 132.60 m when its temperature is rasied 155 degrees C, what is its coefficient of linear expansion
Johnny takes a running jump off the trampoline. He lands on the ground after .95 seconds. His landing point is 1.2 m below and 2 m horizontally from his launch point. FInd: A. His initial velocity B. FInal Velocity C. his maximum height above the ..
A glider with mass m = 0.250kg sits on a frictionless horizontal air track, connected to a spring with force constant k = 4.60 N/m. What must the initial displacement of the glider be if its maximum speed in the subsequent motion is to be 2.60
The image produced by a concave mirror is located 25 cm in front of the mirror. How far in front of the mirror is the object located
A system expands by 0.68m3 at a constant pressure of 126kPa, Find the heat that flows into or out of the system if its internal energy decreases by 1850J
1.7 kilograms of water are changed from liquid water at 100?C into steam at 100?C. determine the change in mass of the water
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