Answer:
Explanation:
Given
Volume of bucket
Time taken to fill the bucket
so volume flow rate is
1 gal is equivalent to
mass flow rate
(b)Average velocity through nozzle exit
What is the focal length of the eye-lens system when viewing an object at infinity? assume that the lens-retina distance is 2.0
1 answer:
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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.