Physics, 11.07.2019 07:30 wdgyvwyv8729
Amodel of a helicopter rotor has four blades, each of length 3.30 m from the central shaft to the blade tip. the model is rotated in a wind tunnel at a rotational speed of 510 rev/min . what is the speed of the blade tip
Answers: 1
Physics, 22.06.2019 07:00
Suppose while hauling rocks, you accidentally drop one. it breaks apart in flat, planar sections. what type of rock did you just drop? 20 points
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Physics, 22.06.2019 12:20
Which of the following situations is impossible? a) an object has velocity directed east and acceleration directed east. b) an object has zero velocity but non-zero acceleration. c) an object has constant non-zero velocity and changing acceleration. d) an object has velocity directed east and acceleration directed west. e) an object has constant non-zero acceleration and changing velocity.
Answers: 2
Physics, 22.06.2019 14:30
Which of these is constant for all types of electromagnetic radiation in a vacuum? select one: a. wavelength b. frequency c. photon energy d. amplitude e. velocity
Answers: 3
Amodel of a helicopter rotor has four blades, each of length 3.30 m from the central shaft to the bl...
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