Physics, 24.07.2019 15:00 arthurdolz
Why do you keep your legs far apart when you have to stand in the aisle of a bumpy-riding bus? ?
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Physics, 22.06.2019 10:40
When the magnetic domains in a material can be aligned, but eventually drift out of alignment, the material is
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Physics, 22.06.2019 16:40
The astronauts on the space shuttle flights experienced an acceleration of 29 m/s2 (about 3 "g's") during lift-off. what upward force must the astronaut's seat apply to the astronaut in order to cause this acceleration? assume the astronaut's mass is 70 kg, and compute this force when the acceleration is near the earth's surface so their weight equals latex: mg m g .
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Physics, 22.06.2019 16:50
Two loudspeakers, 5.5 m apart and facing each other, play identical sounds of the same frequency. you stand halfway between them, where there is a maximum of sound intensity. moving from this point toward one of the speakers, you encounter a minimum of sound intensity when you have moved 0.33 m . assume the speed of sound is 340 m/s.part a) what is the frequency of the sound? part b) if the frequency is then increased while you remain 0.21 m from the center, what is the first frequency for which that location will be a maximum of sound intensity? express your answer to two significant figures and include the appropriate units.
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Physics, 22.06.2019 17:30
This chart shows characteristics of three different types of waves. which statement is best supported by the information in the chart? wave x and wave y are mechanical waves, and wave z is an electromagnetic wave. wave x and wave y are electromagnetic waves, and wave z is a mechanical wave. wave x and wave z are electromagnetic waves, and wave y is a mechanical wave. wave x and wave z are mechanical waves, and wave y is an electromagnetic wave.
Answers: 1
Why do you keep your legs far apart when you have to stand in the aisle of a bumpy-riding bus? ?...
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