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A wheel 2.00 m in diameter lies in a vertical plane androtates with a constant angular acceleration of 4.00rad/sec2. The wheel starts at rest at t=0, and theradius vector of point P on the rim makes an angle of 57.3 degreeswith the horizontal at this time. At t=2.00 s, find:
a) the angular speed of their wheel
b) the linear speed and acceleration of the point P
c) the angular position at point P.
A "swing" ride at a carnival consists of chairs that are swung in a circle by 12.0 m cables attached to a vertical rotating pole, as the drawing shows. Determine the tension in the cable attached to the chair
Air passes through a large-diameter glass tube, then through a small-diameter tube, and finally through a large-diameter tube again, Find the velocity of the air in the small-diameter tube
A 0.11-kg rubber ball is dropped onto a table. The speed of the ball right before it hits the table is 5.9 m/s. what is the magnitude of the average force exerted on the ball by the table
A diving board of length 3 is supported at a point 1 from the end, and a diver weighing 480 stands at the free end. The diving board is of uniform cross section and weighs 295.
A 46-N lithograph is supported by two wires. One wire makes a 27° angle with the vertical and the other makes a 12° angle with the vertical. Find the tension in each wire
A solid toy weighs 98N in air. The density of this toy is10kg/m^3, H2O: 1000kg/m^3. What is the apparent weight of the toy in the water
What would be the minimum width of the mirror if you are willing to accept that you must use two eyes to see the full width of your face
A fully charged capacitor with a voltage of120V is discharged through a resistor. What is the voltage across the capacitor at the end ofthreetime constants
You are standing 2.5 {rm m} straight in front of one of the two loudspeakers. They are 3 {rm m} apart and both are playing a 686 {rm Hz} tone in phase. As you begin to walk directly away from the speaker, at what distances from the speaker do you ..
A 1 046-kg satellite orbits the Earth at a constant altitude of 101-km. (a) How much energy must be added to the system to move the satellite into a circular orbit with altitude 194 km? MJ
The isotope shift of spectral lines refers to the shift in wave- lengths (or frequencies) due to the different masses of given ele- ments. Find the isotope shifts for each of the four visible Balmer series wavelengths for deuterium and tritium compar..
ashlee pulls andy on a skateboard. ashlee pulls with a force of 52.2n to get it moving and 42.0n to keep it at a
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