Answer:
71.4583 Hz
67.9064 N
Explanation:
L = Length of tube = 1.2 m
l = Length of wire = 0.35 m
m = Mass of wire = 9.5 g
v = Speed of sound in air = 343 m/s
The fundamental frequency of the tube (closed at one end) is given by
The fundamental frequency of the wire and tube is equal so he fundamental frequency of the wire is 71.4583 Hz
The linear density of the wire is
The fundamental frequency of the wire is given by
The tension in the wire is 67.9064 N
The answer is a.evaporation
hope this helps!
can i have brainiest?
Answer:
270 mi/h
Explanation:
Given that,
To the south,
v₁ = 300 mi/h, t₁ = 2 h
We can find distance, d₁
To the north,
v₂ = 250 mi/h, d₂ = 750 miles
We can find time, t₂
Now,
Average speed = total distance/total time
Hence, the average speed for the trip is 270 mi/h.
Answer: B. A hearing by a federal court of appeals
Q7. A fizzing sound was overheard shadowed by the rushing out
of bubbles from the bottle dipped in hot water. There was also a sound perceived
in the bottle to be found in cold water but not as much as in bottle A.
Q8. There was amassed gas inside the bottle.
Q9. The hot water surges the temperature of the soda drink
inside the bottle. As the temperature increases, more gas is accumulated inside
the bottle. This reasons the fizzing sound.
Q10. The observation in the bottle of cooking oil is not the
same as in the soda drinks.
<span>Q11. There was little gas out in the bottle of cooking oil for
the reason of its structure. We know that soda drink is carbonated. The great
temperature free the gas from the soda drinks.</span>
