Physics, 28.11.2019 22:31, QueenNerdy889
Aclock has a second hand whose tip rubs against the inside of the glass cover. if the frictional force between the glass cover and the tip of the second hand is 0.0020 and the length of the hand is 8.0 cm, what is the minimum torque that must be applied to the second hand if the clock is not to be stopped? what is the direction of the torque from the friction?
Answers: 3
Physics, 22.06.2019 17:30, BabyG1353
Asilver dollar is dropped from the top of a building that is 1324 feet tall. use the position function below for free-falling objects. s(t) = −16t2 + v0t + s0 (a) determine the position and velocity functions for the coin. s(t) = v(t) = (b) determine the average velocity on the interval [1, 2]. ft/s (c) find the instantaneous velocities when t = 1 second and t = 2 seconds. v(1) = ft/s v(2) = ft/s (d) find the time required for the coin to reach the ground level. (round your answer to three decimal places.) t = s (e) find the velocity of the coin at impact. (round your answer to three decimal places.) ft/s
Answers: 3
Physics, 22.06.2019 18:00, daphnevlogs11
Directions: count the number of atoms. ar co2 na3po4 so3 nac2h3o2
Answers: 1
Aclock has a second hand whose tip rubs against the inside of the glass cover. if the frictional for...
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