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A person is riding a bicycle, and its wheels have an angular velocity of +18.5 rad/s. Then, the brakes are applied and the bike is brought to a uniform stop. During braking, the angular displacement of each wheel is +13.0 revolutions.
(a) How much time does it take for the bike to come to rest?
(b) What is the angular acceleration of each wheel?
A plastic bag is filled with nitrogen at atmospheric pressure and 27.0 oC. How large a volume of nitrogen (in m3) is required
a charge q1 5 nc is placed at x 0 and another charge q2 -2 nc is placed at x 2 .0 cm. where should a third positive
Two conductors are made of the same material and have the same length. Conductor A is a solid wire of diameter 1.2 mm, What is the resistance ratio RA/RB , measured between their ends
solve the following problems. you must show all work for fullpartial credit. when complete attach a typed cover sheet
A speeder is racing down the road at a constant speed of 90mi/h. A police officer is having coffee while the speeder zips past her. How Far down the road does the officer catch the speeder
A bomb mass 7.2 kg goes off and splits into 3 pieces. The first piece has a mass of 1.1 kg and velocity of 9.5 m/s. What is the magnitude and direction of the velocity of the third piece
A bullet of mass 0.0022 kg initially moving at 496 m/s embeds itself in a large fixed piece of wood and travels 0.64 m before coming to rest. Imagine that an acceleration of the bullet is constant.
A rifle with a weight of 20 N fires a 3.5-g bullet with a speed of 250 m/s. (a) Find the recoil speed of the rifle. Incorrect: Your answer is incorrect. Your response differs from the correct answer by more than 10%. Double check your calculations. m..
A simple capacitor is made by placing two spheres of radii p at a distance d>>p apart. Find the capacitance of the system of two spheres
At a height of fifteen meters above the surface of a freshwater lake, a sound pulse is generated. How deep is the lake
In a photoelectric-effect experiment it is observed that no current flows unless the wavelength is less than 530nm, What is the work function of this material
A wheel with radius 43.9 cm rotates 4.27 times every second. Find the period of this motion.
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