Physics, 08.10.2020 02:01 enrique2211
12 A plane starting from rest accelerates at 3 m/s for 25 s. Calculate the
increase in velocity after:
a 1 s
b 5s
C 25 s.
Answers: 2
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All the simple machines make work easier to do by changing the or of a force. a. size; type b. work; type c. size; direction d. type; direction
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Aphoton is absorbed by an electron that is in the n = 3 state of a hydrogen atom, causing the hydrogen atom to become ionized. very far away from the nucleus, the released electron has a velocity of 750,000 m/s. what was the wavelength of the absorbed photon?
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Elements on the periodic table are ordered according to their
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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
12 A plane starting from rest accelerates at 3 m/s for 25 s. Calculate the
increase in velocity aft...
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