PHYSICS

A girl rows 10 km downstream in 2 h. Her return trip takes 3 h. How fast is the current. in km/

  1. 0
  2. 0
  3. 0
asked by Reem
  1. v = her speed
    c = current speed
    (v+c) * 2 = 10
    (v-c) * 3 = 10

    v + c = 5 = 15/3
    v - c = 10/3
    --------------subtract
    2 c = 5/3
    c = 5/6

    1. 0
    2. 0
    posted by Damon

Respond to this Question

First Name

Your Response

Similar Questions

  1. phisecs

    A girl rows 11 km downstream in 2 h. Her return trip takes 4 h. How fast is the current. in km/h?
  2. PHYSICS

    A girl rows 10 km downstream in 2 h. Her return trip takes 4 h. How fast can she row in still water. in km/h?
  3. phisecs

    A girl rows 11 km downstream in 2 h. Her return trip takes 3 h. How fast can she row in still water. in km/h?
  4. Rate of current and time

    A ship travels downstream for 36 miles and then makes the same return trip upstream. The trip downstream took 3/4 of an hour less then the trip upstream. If the rate of the current is 4mph find the rate of the ship in still water
  5. Precalc

    A ship travels downstream for 36 miles and then makes the same return trip upstream. The trip downstream took 3/4 of an hour less then the trip upstream. If the rate of the current is 4mph find the rate of the ship in still water
  6. math

    a man rows downstream for one hour and 40 minutes on a river flowing at 2 miles per hour. on his returned trip he rows upstream for 5hours. find the distance that he traveled downstream and his speed of rowing in still water.
  7. Math

    Sam rows up a river to camp in 3 hours. The next day he makes the return trip downstream in 1 hour. If he can row 2 mph in still water, how fast is the current?
  8. algebra1

    Sam rows up a river to camp in three hours.The next day he makes the return trip downstream in one hour. If he can row two mph in still water, how fast is the current? i don't understand this?
  9. Math

    3). Sam rows up a river to camp in three hours. The next day he makes the return trip downstream in one hour. If he can row two mph in still water, how fast is the current?(The question was not answered last time).
  10. math 116

    A Coast-Guard patrol boat travels 4 hr on a trip downstream with a 6-mph current. The return trip against the same current takes 5 hr. Find the speed of the boat in still water

More Similar Questions