Answers: 1
Physics, 21.06.2019 14:20, dondre54
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
Answers: 1
Physics, 23.06.2019 20:00, whocaresfasdlaf9341
If 25 ml of each of the liquids in the answer choices below were poured into a 100 ml beaker, which would form the second from the bottom layer? a. sea water – density of 1.024 g/ml b. mineral oil – density of 0.910 g/ml c. distilled water – density of 1.0 g/ml d. petroleum oil – density of 0.820 g/ml
Answers: 1
Physics, 23.06.2019 20:30, ChasityN8491
How is density measured? a. area per unit weight b. weight per unit area c. volume per unit mass d. mass per unit volume
Answers: 2
What is the name of this
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Mathematics, 28.09.2020 01:01
Mathematics, 28.09.2020 01:01