Physics, 18.07.2019 09:30 cornpops1749
Big ben in london, has an hour hand 2.7m long with a mass of 60kg and a minute hand 4.5m long with a mass of 100kg. calculate the total rotational kinetic energy of the two hands about the axis of rotation. (you may model the hands as long, thin rods rotated about one end. assume the hour and minute hands are rotating at a constant rate of one revolution per 12 hours and 60 minutes, respectively.)
Answers: 1
Physics, 21.06.2019 16:30
Acar accelerates from 5.0 m/s to to 11 m/s at a rate of 3.0 m/s^2. how far does it travel while accelerating? 20m 117m 43m 16m
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Physics, 22.06.2019 05:10
Waves are used in many practical applications to support work, entertainment, and health. one example is the use of ultrasound imaging to safely track the development of a growing fetus. what is a specific example of a practical application of waves in medicine, entertainment, safety, or other fields? provide a brief explanation of how the properties of waves are useful to that application.
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Physics, 22.06.2019 11:30
Which of the following is the phase that results when the moon is on the opposite side of the earth from the sun? a. quarter moon b. crescent moon c. new moon d. full moon
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Physics, 22.06.2019 14:20
The energy released by a nuclear fusion reaction is produced when
Answers: 1
Big ben in london, has an hour hand 2.7m long with a mass of 60kg and a minute hand 4.5m long with a...
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