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Calculate the Mach number for the following speeds of sound. State whether the speed issubsonic or supersonic. Assume the speed of sound in air to be 332 m/s:A. 664 m/sB. 306 m/sC. 140 km/hD. 7171 km/h
answered
Dec 3, 2023
Physics
college
3
votes
20.1k
views
What can you use to measure a pool
answered
Sep 17, 2023
Geography
high-school
3
votes
195k
views
Erosion and weathering are caused mostly by:
answered
Sep 10, 2023
Geography
high-school
4
votes
4.2k
views
The ability of the ground to allow water to move through it into the groundwater, is a measure of the the ground. A. anchorage B. permeability C. Timing D. waterlogging
answered
Apr 27, 2023
Biology
high-school
6
votes
204k
views
Order each set of numbers from least to greatest. c. 150, -155, 145, -175, 160, -1 d. 15, 25.3, -25, 15 1/4 1 4, 15, 1/5− 1 5, -25 1/4 1 4, 15.7
answered
Jan 17, 2023
Mathematics
middle-school
7
votes
87.9k
views
If Sarah sold 20 bags of dog treats for $3.25 each, how much money did she earn? You must show your work to earn full credit.
answered
Dec 6, 2022
Mathematics
high-school
3
votes
135k
views
Does anyone know how to do this
answered
Nov 3, 2022
Mathematics
high-school
3
votes
82.0k
views
Can y’all help me with this answer
answered
Aug 10, 2022
English
college
5
votes
146k
views
Which is a disadvantage of debt financing Fluctuations in the currency exchange market can lead to ballooning interest payments. Paying for the interest on a loan makes it the most expensive form of financing
answered
Jun 24, 2022
History
college
3
votes
177k
views
WHAT ARE THE 2 REVOLUTIONS THAT TOOK PLACE IN INDIA?
answered
Apr 19, 2022
Social Studies
high-school
2
votes
146k
views
Help me answer these 2 questions!!!!!
answered
Mar 20, 2022
Mathematics
middle-school
3
votes
233k
views
What is the value of x in the following equation. -x^3/2 = -27 18 9 -9 -3
answered
Feb 27, 2022
Mathematics
high-school
8
votes
123k
views
You have read "Fear Prompts Teens to Act Impulsively" and "Teenage Brains are Malleable and Vulnerable, Researchers Say". How is impulse control related to both fear and rewards experienced by teenagers?
answered
Feb 22, 2022
English
high-school
2
votes
127k
views
Fill in the blank Forces can cause a moving object to blank
answered
Jan 16, 2022
Geography
middle-school
14
votes
2.9k
views
What is the median of the data? 12, 17, 16, 10, 20, 13, 16, 16, 12, 12, 19, 18
answered
Oct 10, 2021
Mathematics
middle-school
3
votes
190k
views
Guys plz help this is due in 30 and I have been on it for 3 hours COUNTING ON YOU GUYS!!(05.02)The area of the parallelogram below is ____ square meters.
answered
Jun 20, 2021
Mathematics
high-school
1
vote
133k
views
What body of water is represented by the red star on this map? Indian Ocean Sea of Japan Bay of Bengal South China Sea
answered
Mar 26, 2021
History
middle-school
2
votes
107k
views
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