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A bicycle wheel slows down uniformly to rest over a ditance of 45 m becuase the bicyclist sees something int he road ahead. Initally, a point out of the outside of the wheel is traveling at 8.0 m/s, and the wheel is 68 cm in diamtere.
a) What is the wheels inital angular velocty?
b) How many revolutions does the wheel make before comming to a stop?
c) Whats the angular acceleration of the wheel?
d) How long did it take to stop?
A 1.30-kg ball, moving to the right at a velocity of +4.52 m/s on a frictionless table, collides head-on with a stationary 8.40-kg ball. Find the magnitude and direction of the final velocity of the two balls if the collision is completely inelastic
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A non-uniform beam of length 4.41m and weight 1.02kg makes an angle of 25.2 with the horizontal. Find the vertical component of the force exerted on the beam by the pivot
A whale sends an undersea signal to its mate and then gets a response 4.5 seconds later. How far away is the whales mate
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Calculate the maximum allowable force that can be applied to stop a 1000 kg vehicle if the maximum allowable acceleration is 2.5 g.
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Your adventurous friend Lola goes bungee jumping. She leaps from a bridge that is 100 m above a river. What is her height above the river at her lowest point
A potter's wheel (a solid, uniform disk) of mass 6.0kg and radius 25cm spins about its central axis with an angular speed of the wheel is 15rpm. Find the new angular speed of the system
Calculate the positron and electron beam energy needed to create a Higgs boson (mass 125GeV) in the CMS system
0.14 kg of water at 88.0 deg C is poured into an insulated cup containing 0.234 kg of ice initally at 0 deg. Calculate the mass of liquid
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