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A person is riding a bicycle, and its wheels have an angular velocity of 22.7 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 15.6 revolutions.
(a) How much time does it take for the bike to come to rest?
(b) What is the anguar acceleration (in rad/s2) of each wheel?
Cations are removed from the exchange complex of a 1 kg oven-dry soil sample by ammonium (NH4+) substitution. What is the cation exchange capacity of the soil
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a straightforward method of finding the density of an object is to measure its mass and then measure its volume by submerging it in a graduated cylinder, What is the density of a 220 g rock
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A small ball of mass 50 g is suspended from a string of length 66-cm and whirled in a circle lying in the horizontal plane. If the string makes an angle of 21? with the vertical, find the centripetal force experienced by ball. The acceleration of ..
The aim is to find the woman's position when thebeam begins to tip.
A relief airplane is delivering a food package to a group of people stranded on a very small island. What is the speed of the package when it hits the ground in mph
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