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Physics, 21.06.2019 14:20
Physics make-up packetname_cle14. an observer hears a sound with a frequency of 400 hz. if the speed of sound is 340 m/s,what is the wavelength of the sound? a. 0.85 mb. 1.2 mc. 2.75 m13.6 m15. as sound travels from steel into air, its speed decreases. if the frequency of the wavedoesn't change, what happens to its wavelength? a. it increases(b) it decreasesc. it remains the samed. there is not enough information given
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How much work is done lifting a 9.10 kg box straight up onto a shelf that is 1.80 m high?
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Aregular polygon has angkes of size 150° each.how many side has the polygon
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Which missing item would complete this alpha decay reaction ? > 228/88ra + 4/2he a.224/96 rn b. 232/90 th c. 230/92 u d. 235/92 u
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An object increases its velocity from 34 mis to 66 m/s at a rate of 5 m/s How much time
did it take...
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