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Mary and her younger brother Alex decide to ride the carousel at the State Fair. Mary sits on one of the horses in the outer section at a distance of 2.0 m from the center. Alex decides to play it safe and chooses to sit in the inner section at a distance of 1.0 m from the center. The carousel takes 3.7 s to make each complete revolution.
a) What is Mary's angular speed %u03C9M and tangential speed vM?
b) What is Alex's angular speed %u03C9A and tangential speed vA?
A Norwich MCE student is involved in a crucial out of class experiment. He is in his dorm room 34 feet above an historic rock wall. Describe the final result and state any assumptions that you need to make. Would the final result be any different o..
How far from the firing point is the height of the projectile.
A highway curve of radius 440 is designed for traffic moving at a speed of 85.0 . What is the correct banking angle of the road
A 29 kg sled starts from rest at the top of a frictionless hill inclined at an angle of 20 degrees to the horizontal. find the normal force on the sled due to the hill
A 5.61-mm-high firefly sits on the axis of, and 10.3 cm in front of, the thin lens A, whose focal length is 6.99 cm. Is this image upright or inverted with respect to the firefly
What is average kinetic energy of each helium atom
A roller-coaster car moves 198 ft horizontally and then rises 143 ft at an angle of 30° above the horizontal. It then travels 143 ft at an angle of 40° downward
A 500 g, 3 m uniform thin rod is pivoted at one end and has a mass 500 g attached to its other end. Ignore friction and air resistance. Find the moment of intertia of the physical pendulum
A 200-W infrared laser emits photons with a wavelength of 1.05 multiply.gif 10-6 m, and a 200-W ultraviolet light emits photons with a wavelength of 3.51 multiply.gif 10-7 m. What is the energy of a single infrared photon
A 0.025-kg block on a horizontal frictionless surface is attached to an ideal massless spring whose spring constant is 150 N/m. what is the kinetic energy of the block
A tungsten target is struck by electrons that have been accelerated from rest through a 20.0-kV potential difference
A particle with a mass of 6.64* 10^-27 kg and a charge of +3.2*10^-19 C is accelerated from rest through a potential difference of 2.45*10^6 V. find the magnitude if the magnetic force exerted on the particle
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