Number of
Rubber Bands
Description of Sound Produced
(high, low)
Without stick With...
Physics, 15.06.2021 01:50 rainyshea72
Number of
Rubber Bands
Description of Sound Produced
(high, low)
Without stick With stick
1. 1.
2. 2.
3. 3.
4. 4.β
Answers: 1
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J. j. thomsonβs experiment disproved the theory that an atom
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An astronaut on the moon throws a baseball upward. the astronaut is 6 ft, 6 in. tall, and the initial velocity of the ball is 3030 ft per sec. the height s of the ball in feet is given by the equation s equals negative 2.7 t squared plus 30 t plus 6.5s=β2.7t2+30t+6.5, where t is the number of seconds after the ball was thrown. complete parts a and b.
Answers: 2
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Consider a small frictionless puck perched at the top of a fixed sphere of radius r. if the puck is given a tiny nudge so that it begins to slide down, through what vertical height will it descend before it leaves the surface of the sphere? [hint: use conservation of energy to find the puck's speed as a func e conservation of energy to find the puck's speed as a function of its height at what value of this normal force does the puck leave the sphere? ] here on the puck.
Answers: 2
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