A river is to be crossed by a girl using a row boat. Rowing Speed Direction of Boat River Velocity You are correct. Your receipt no. is 157-8138 Assume that the water has uniform velocity, represented above by the vector labeled B. The rowing speed of the girl and a set of possible orientation of her boat are also shown. Select the direction (i.e., K, or H, or ...) in order to cross the river in the shortest time. (Notice that the number of tries is reduced.) A You are correct. Your receipt no. is 157-3155 > K C Previous Tries For which rowing orientation will the girl land on the opposite shore directly across from her starting position, neither upstream or downstream. (Notice that the number of tries is reduced.) H Select an answer for each .... below. Greater than D Less than Greater than Greater than Equal to Previous Tries Time to row across for F is .... for K. ✓For an observer on shore, the speed of the boat for C is .... for H. Time to row across for C is .... for H. Time to row across for C is .... for K. The distance traveled in crossing for D is .... for J.
A river is to be crossed by a girl using a row boat. Rowing Speed Direction of Boat River Velocity You are correct. Your receipt no. is 157-8138 Assume that the water has uniform velocity, represented above by the vector labeled B. The rowing speed of the girl and a set of possible orientation of her boat are also shown. Select the direction (i.e., K, or H, or ...) in order to cross the river in the shortest time. (Notice that the number of tries is reduced.) A You are correct. Your receipt no. is 157-3155 > K C Previous Tries For which rowing orientation will the girl land on the opposite shore directly across from her starting position, neither upstream or downstream. (Notice that the number of tries is reduced.) H Select an answer for each .... below. Greater than D Less than Greater than Greater than Equal to Previous Tries Time to row across for F is .... for K. ✓For an observer on shore, the speed of the boat for C is .... for H. Time to row across for C is .... for H. Time to row across for C is .... for K. The distance traveled in crossing for D is .... for J.
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Transcribed Image Text:A river is to be crossed by a girl using a row boat.
Rowing Speed
Direction of
Boat
River Velocity
You are correct.
Your receipt no. is 157-8138
长
Assume that the water has uniform velocity, represented above by the vector labeled B. The rowing
speed of the girl and a set of possible orientation of her boat are also shown. Select the direction
(i.e., K, or H, or ...) in order to cross the river in the shortest time. (Notice that the number of tries
is reduced.)
A
C
You are correct.
Your receipt no. is 157-3155 Ⓒ
Previous Tries
For which rowing orientation will the girl land on the opposite shore directly across from her
starting position, neither upstream or downstream. (Notice that the number of tries is reduced.)
H
Previous Tries
Select an answer for each .... below.
Greater than
Time to row across for F is .... for K.
Less than ✓For an observer on shore, the speed of the boat for C is .... for H.
Greater than ✓ Time to row across for C is .... for H.
Greater than
Equal to
Time to row across for C is
for K.
The distance traveled in crossing for D is .... for J.
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