Two swimmers Chris and Sarah starts together at the same point on the bank of a wide stream that lows with a speed v. Both move at the same speed c (where c>v) relative to the water. Chris swims downstream a distance L and thenupstream the same distance. Sarah swims so that her motion relative to the Earth is perpendicular to the banks of the stream. She swims the distance L and then back the same distance , with both swimmers returning to the starting point. a) In terms of L, c, and v find the timer interval required for Chris round trip delta t_= b) In terms L c and v find the time i

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interval required for sarahs round trip. delta t_2=.....c) explain which swimmer returns first

oops i messed up at the end.
For Sarah, i squared t for some reason
t = 2L/sqrt(c^2 -v^2)

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