A70 m wide river flows at 0.80 m/s [e]. a girl, starting on the south shore, swims across it at 1.4 m/s relative to the water.
a) what is the least time she requires to cross the river?
b) how far downstream will she be when she lands on the opposite shore?
c) at what angle to the shore would she have to aim, in order to arrive at a point directly opposite the starting point?
Answers: 3
Physics, 21.06.2019 23:20
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Physics, 22.06.2019 00:30
Imagine you work as a consultant, and your daily job involves listening to the constructive criticism of others. as part of your job, you must listen to opposing viewpoints to make important decisions. in this activity, you are a consulting dam engineer. you must make a decision about four different dams; should they be repaired, taken down, or left alone? you will listen to contrasting opinions about what should be done with the dams before you make the final decision. as the consulting dam engineer, what do you decide to do with this dam? explain your reasoning. by making your decision, did you support the opinions of the mayor and/or the dam safety official? why or why not? (site 1)
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Physics, 22.06.2019 05:00
Aperson walking 1 mile everyday for exercise, leaving her front porch at 9: 00 am and returning to her front porch at 9: 25 am. what is the total displacement of her daily walk? a) 1 mileb) 0c) 25 minutes d) none of the above
Answers: 1
A70 m wide river flows at 0.80 m/s [e]. a girl, starting on the south shore, swims across it at 1.4...
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