Which is a medium that sound can travel through?
A)air
B)steel
C)water
D)All of t...
Engineering, 11.05.2021 23:30 samanthahurtado0914
Which is a medium that sound can travel through?
A)air
B)steel
C)water
D)All of the above
Answers: 2
Engineering, 04.07.2019 18:10
Ariver flows from north to south at 8 km/h. a boat is to cross this river from west to east at a speed of 20 km/h (speed of the boat with respect to the earth/ground). at what angle (in degrees) must the boat be pointed upstream such that it will proceed directly across the river (hint: find the speed of the boat with respect to water/river)? a 288 b. 21.8 c. 326 d. 30.2
Answers: 3
Engineering, 04.07.2019 19:10
Arigid tank contains 10 kg of air at 137 kpa (abs) and 21°c. more air is added to the tank until the pressure and temperature rise to 242 kpa (abs) and 32°c, respectively. determine the amount of air added to the tank. [r-0.287 kj/kg k]
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In modern manufacturing, which types of metal chips would be undesirable and why ? ?
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State two advantages and two disadvantages of interchangeability.
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