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A person is riding a bicycle, and its wheels have an angular velocity of 15.8 rad/s. Then, the brakes are applied and the bike is brought to a uniform stop. Through braking, the angular displacement of each wheel is 14.2 revolutions. (a) How much time does it take for the bike to come to rest? (b) What is the angular acceleration (in rad/s2) of each wheel?
In the figure 29-71, a long circular pipe with outside radiusR = 1.87 cm carries a (uniformly distributed) currenti = 10.3 mA into the page. A wire runs parallel to the pipe at a distance of 3.00R from center to center.
A Carnot air conditioner maintains the temperature in a house at 294 K on a day when the temperature outside is 308 K
a pump is used to empty a 4000 l wading pool. the water exits the 3.0-cm-diameter hose at a speed of 2.2 ms .how long
A cylindrical aluminum pipe of length 1.33 m has an inner radius of 1.90 10-3 m and an outer radius of 3.00 10-3 m. What is the resistance of this unit
It bounces off with the same speed and angle. If the ball is in contact with the wall for 0.151 s, illustrate what is the average force exerted by the wall on the ball?
The mass of a robot is 4340 kg. This robot weighs 3000 N more on planet A than it does on planet B. Both planets have the same radius of 2.37 × 107 m
A photon whose energy is 2.6 Ã- 10âˆ'14 J is scattered off an electron at an angle of 56â. What is the wavelength of the scattered wave
The image produced by a concave mirror is located 38 cm in front of the mirror. How far in front of the mirror is the object located
The collision between a hammer and a nail can be considered to be approximately elastic. Estimate the kinetic energy acquired by a 14-g nail when it is struck by a 550-g hammer moving with an initial speed of 3.3 m/s.
a sample of an unknown material appears to weigh 280 n in air and 175 n when immersed in alcohol of specific gravity
A person with a mass 66.0 kg is riding in a Ferris Wheel with a radius of 70.0 meters and a period of 80.0 minutes. What normal force does the person experience
the cylindrical imaging drum of a photocopier is to have an electric field just outside its surface of 2.00 105 nc.a if
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