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A diver can change his rotational inertia by drawing his arms andlegs close to his body in the tuck position. After he leaves thediving board in the straight position (with some unknown angularvelocity), he pulls himself into a ball as closely as possible (thetuck position) and makes 2.00 complete rotations in 1.33 s. If hisrotational inertia decreases by a factor of 3.00 when he goes from the straight to the tuck position, what was his angularvelocity when he left the diving board?
A round loop of diameter 12 cm, carrying a current of 0.40 A, is placed inside a magnetic field B = 0.20 i T + 0.40 j T. What is the potential energy of the loop
A force N acts for 0.2 seconds on an object of mass 2.4 Kg whose initial velocity was m/s. What is the new velocity
A spherical balloon has a radius of 6.95 and is filled with helium. The density of helium is0.179, Determine the largest mass of cargo the balloon can lift
Suppose two highly precise, identical clocks are synchornized and one clock is placed at the North Pole and one clock is placed at the equator. After 100 years, how much time will the clocks differ in time
A baseball leaves a pitcher's hand horizontally at a speed of 156km/h. The distance to the batter is 18.3 m. (overlook the effect of air resistance.) (a) How long does ball take to travel the first half of that distance? (b) The second half? (c) H..
The flashes from the explosions as observed by Spud?
The 210 A current through a spark plug moves 0.270 mC of charge. How long does the spark last
A car races at a constant speed of 25 m/s around a circular track with a radius of 150 meters. what is the displacement between the starting and ending points
A boulder has 300J of potential energy sitting on the edge of cliff. What is the boulder's kinetic energy as it hits the ground.
How much work does the string do on the boy if the boy walks a horizontal distance of 11m away from the kite? How much work does the string do on the boy if the boy walks a horizontal distance of 11m toward the kite.
What value of capacitance will ensure that an output voltage stays within 3 percent of the rated 22v . find an electric field between them and surface charge density on the plate.
A car of mass 1200 kg turns a corner inclined at 55 deg at a speed of 20 m/s. What is the maximum radius for the curve at which the car will not slide down the incline
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