Physics, 16.08.2021 17:40 jaclynnlyidaowdxnq
3. Sound caused by an explosion on the ocean's surface travels vertically
downward to an underwater mountain and is reflected back to a microphone at
the surface. If this takes 11.6 s to occur and sound travels at 1450 m/s in water,
what is the depth to this mountain?
Answers: 3
Physics, 22.06.2019 14:40
An athlete is holding 24 lb of weights at a height of 6 inches above the stack as shown. to lower the weights, she applies a constant force of 5 lb to the handle. determine the velocity of the weights immediately before they hit the stack.
Answers: 1
Physics, 23.06.2019 00:40
Asteel tube (k=50 w/mk) of inner and outer diameter di = 20mm and do=26mm, respectively, is used to transfer heat from hot gases flowing over the tube (h-hot = 200w/m2k) to cold water flowing through the tube (h-cold = 8000 w/m2k). what is the cold-side overall heat transfer coefficient uc? to enhance heat transfer 16 straight fins of rectangular profile are installed longitudinally along the outer surface of the tube. the fins are equally spaced around the circumference of the tube, each having a thickness of 2mm and a length of 15mm. what is the corresponding overall heat transfer coefficient uc? *solve for uc in both cases*
Answers: 1
Physics, 23.06.2019 12:00
What was the approximate temperature of the universe at an age of 1015 s?
Answers: 3
3. Sound caused by an explosion on the ocean's surface travels vertically
downward to an underwater...
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