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A 40 kg girl sits on a turn table with a moment of inertia of 1200.The turn table completes 1 revolution in six seconds. The girl starts in the middle of the turn table. The girl then walks to a point that is 10 m per pedicularly away from the center. Calculate the angular speed of the girl.
q1. a horse races once around a circular track in a time of 118s with a speed of 17 ms. what is the radius of the
An object (3.7kg) is lifted 4.6 m above the ground and thendropped to the ground. What is the object's Pe at the top ofthe lift, How much work did gravity do on the object
If you drop an aspirin and it takes 0.18 sec to hit the table, how high above the table was the aspirin when it released?
A wedge of mass m = 25.0 kg is located on a plane that is inclined by an angle ? = 20.6° with respect to the horizontal. What is the acceleration of the wedge along the plane
A pipe is open at both ends. Its length is 22.81 cm. If I excite standing waves in the pipe by blowing air over one of its ends, Find the distance between the antinodes at the two ends of the pipe
A piano tuner stretches a steel piano wire with a tension of 964N . The wire is 0.400m long and has a mass of 3.60g. What is the frequency of its fundamental mode of vibration
1. two alpha particles helium nuclei each consisting of two protons and two neutrons have an electrical potential
A skier leaves the starting gate at the top of a ski jump with an initial speed of 4 m/s. the starting position is 120 m higher than the end of the ramp, which is 3 m above the snow. FIND THE FINAL SPEED of the skier if he lands 145 m down the 20 deg..
question two cars are traveling on a desert road. after 5.0 s they are side by side at the next telephone pole. the
Two trains on separate tracks move toward each other. Train 1 has a speed of 141 km/h; train 2 a speed of 75.0 km/h. What is the frequency heard by the engineer on train 1
Two sound speakers separated by a distance of 3-meters, are driven in phase by same audio amplifier. A listener sits directly in front of one speaker at a distance of 4 meters from it so that listener and speakers form a right triangle.
A cylindrical capacitor consists of a solid inner conducting core with radius 0.300cm , surrounded by an outer hollow conducting tube. what is the charge per unit length lambda on the capacitor
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