An 80.0-kg gymnast dismounts from a high bar. He starts the dismount at full extension, then tucks to complete several revolutions before landing. His moment of inertia when fully extended can be approximated as a rod of length 1.8 m and when in the tuck a rod of half that length. If his rotation rate at full extension is 6.18 rad/s, what is his final angular velocity?
Answers: 2
Physics, 22.06.2019 15:00
Greg drew a diagram to compare two of the fundamental forces. which labels belong in the areas marked x, y and z? gravitational force electromagnetic force x. attractive y repulsive z: infinite range x: infinite range y attractive z. repulsive x. always attractive y: infinite range z: attractive or repulsive x. attractive or repulsive y infinite range z: always attractive
Answers: 2
Physics, 23.06.2019 00:20
The brightest star in the night sky in the northern hemisphere is sirius. its distance from earth is estimated to be 8.7 light years. a light year is the distance light travels in one year. light travels at a speed of 3.00 Ă— 108 m/s. calculate the distance from earth to sirius in miles. (1 mi = 5280 ft) g
Answers: 2
An 80.0-kg gymnast dismounts from a high bar. He starts the dismount at full
extension, then tucks...
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