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A person is riding a bicycle, and its wheels have an angularvelocity of +18.5rad/s. Then, the brakes are applied and the bike is brought to auniform stop. During braking, the angular displacement of eachwheel is +11.5revolutions.
(a) How much time does it take for the bike tocome to rest?
s
(b) What is the angular acceleration of each wheel?
rad/s2
A 110-kg crate, starting from rest, is pulled across a floor with a constant horizontal force of 370N. What is the final speed of the crate
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A 2.55-cm-diameter parallel-plate capacitor with a spacing of 0.38 mm is charged to 300 V. What is the total energy stored in the electric field
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where the woman falls down from a great height, and comes to a full stop. For which case is the change in the woman's momentum the largest? For which case is the Impulse the largest?
The source of our Sun's energy is a series of fusionreactions. Mainly, four protons become a helium nucleus plus twopositrons, plus two neutrinos (which have no rest mass), plusenergy which is radiated.
A straight ladder is leaning against the wall of a house. Theladder has rails 4.40 m long,joined by rungs 4.500 m long. What should be the thicknessof the flat rock
the armature of a simple ac generator has 20 circular loops of wire each with a radius of 10 cm. it is rotated with a
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location a is 2.70m to the right of a point charge q. location b lies on the same line and is 4.10m to the right of the
A generator is made from a set of 7000 loops of area 5.00 cm2 rotating at an angular frequency of 600 radians per second. How many turns per unit length must the solenoid have
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