As a stream flows downslope, if discharge doubles but the cross-sectional area of the channel stays the same, what happens to the average stream speed?
A) Average stream speed stays the same.
B) Average stream speed decreases.
C) Average stream speed increases.
D) Stream flow stops.
Answer: C
You might also like to view...
Ignoring air resistance, what maximum speed can be given to a horizontally moving tennis ball as it clears the net 1.25 m high to remain within the edge of the court, which is 12.0 m from the bottom of the net?
A) 12.0 m/s B) 16.0 m/s C) 24.0 m/s D) 48.0 m/s
A 70-kg high jumper leaves the ground with a vertical velocity of 6.0 m/s. How high can he jump?
What does it mean for a physical quantity in a system to be conserved?
a. It is used in the most efficient manner possible. b. It stays in its original state forever. c. The total amount of it in the system stays constant. d. none of the above.
Explain why it is difficult to see Mercury in the night sky
What will be an ideal response?