Physics, 08.04.2021 09:40 Liantic8738
a disk of a radius 50 cm rotates at a constant rate of 100 rpm. what distance in meters will a point on the outside rim travel during 30 seconds of rotation?β
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Achlorine atom has 17 protons and 18 neutrons. what is its mass number? what is its atomic number?
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Newtons view of arrangement of the universe. don't copy from anywhere.
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Atrain is traveling at 30.0 m/s relative to the ground in still air. the frequency of the note emitted by the train whistle is 262 hz. the speed of sound in air should be taken as 344 m/s. what frequency (f approach) is heard by a passenger on a train moving at a speed of 18.0 m/s relative to the ground in a direction opposite to the first train and approaching it? what frequency (f recede) is heard by a passenger on a train moving at a speed of 18.0 m/s relative to the ground in a direction opposite to the first train and receding from it?
Answers: 1
a disk of a radius 50 cm rotates at a constant rate of 100 rpm. what distance in meters will a point...
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