subject
Physics, 29.01.2020 01:06 tami5

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?

ansver
Answers: 3

Other questions on the subject: Physics

image
Physics, 21.06.2019 23:20, stormserena
The 5-kg cylinder is initially at rest when it is placed in contact with the wall b and the rotor at a. if the rotor always maintains a constant clockwise angular velocity v = 6 rad> s, determine the initial angular acceleration of the cylinder. the coefficient of kinetic friction at the contacting surfaces b and c is mk = 0.2.
Answers: 3
image
Physics, 22.06.2019 03:00, conceitedkayy1865
According to newtons universal law of gravitation, which would change the parh of the ball so it traces out widest curved path possible?
Answers: 1
image
Physics, 22.06.2019 11:30, smilequi9653
Considering only the earth's rotation, determine how much later the asteroid would have had to arrive to put the explosion above helsinki at longitude 25˚ e? this would have obliterated the city.
Answers: 1
image
Physics, 22.06.2019 13:00, help1572
Aplayground merry-go-round has a radius of 4.6 m and a moment of inertia of 200 kg-m2 and turns with negligible friction about a vertical axle through its center. a child applies a 26.0 n force tangentially to the edge of the merry-go-round for 15.0 seconds. if the merry-go-round is initially at rest, how much work did the child do on the merry-go-round?
Answers: 1
You know the right answer?
A70 m wide river flows at 0.80 m/s [e]. a girl, starting on the south shore, swims across it at 1.4...

Questions in other subjects: