Thursday

January 29, 2015

January 29, 2015

Number of results: 177

**physics**

If instead, the swimmer makes 30.5 laps in the same pool in 3 h, determine the total distance the swimmer traveled, the swimmer's total displacement, the swimmer's average velocity, and the swimmer's average speed. -answer in km
*January 21, 2012 by lauren*

**Physics**

If instead, the swimmer makes 93.5 laps in the same pool in 4 h, determine the total distance the swimmer traveled, the swimmer's total displacement, the swimmer's average velocity, and the swimmer's average speed.
*January 20, 2013 by Anonymous*

**physics**

If instead, the swimmer makes 77.5 laps in the same pool in 1.5 h, determine the total distance the swimmer traveled, the swimmer's total displacement, the swimmer's average velocity, and the swimmer's average speed.
*January 21, 2014 by Dave*

**physics**

If instead, the swimmer makes 30.5 laps in the same pool in 3 h, determine the total distance the swimmer traveled, the swimmer's total displacement, the swimmer's average velocity, and the swimmer's average speed. pool is 30 m long please answer in km
*January 27, 2012 by lauren*

**physics**

If instead, the swimmer makes 30.5 laps in the same pool in 3 h, determine the total distance the swimmer traveled, the swimmer's total displacement, the swimmer's average velocity, and the swimmer's average speed. pool is 30 m long please answer in km
*January 27, 2012 by lauren*

**physics**

if u have swam one lap in a swimming pool, that means from one end to the other and back. In 3.5 h, a swimmer makes exactly 60 laps in the pool, that is 40 m long. Determine the distance the swimmer traveled, the total displacement of the swimmer, the swimmer's average ...
*January 14, 2014 by Bre *

**physics**

A swimmer, capable of swimming at a speed of 1.3 m/s in still water (i.e., the swimmer can swim with a speed of 1.3 m/s relative to the water), starts to swim directly across a 2.2-km-wide river. However, the current is 0.91 m/s, and it carries the swimmer downstream. (a) How ...
*September 18, 2012 by manny*

**physics**

A swimmer, capable of swimming at a speed of 1.01 m/s in still water (i.e., the swimmer can swim with a speed of 1.01 m/s relative to the water), starts to swim directly across a 1.47-km-wide river. However, the current is 1.01 m/s, and it carries the swimmer downstream. (a) ...
*February 6, 2013 by louis AAAAAAAAAAAAAAAAAAAA*

**science-physics**

A swimmer, capable of swimming at a speed of 1.97 m/s in still water (i.e., the swimmer can swim with a speed of 1.97 m/s relative to the water), starts to swim directly across a 2.77-km-wide river. However, the current is 1.13 m/s, and it carries the swimmer downstream. (a) ...
*October 7, 2012 by pd*

**Physics**

A swimmer, capable of swimming at a speed of 1.44 m/s in still water (i.e., the swimmer can swim with a speed of 1.44 m/s relative to the water), starts to swim directly across a 2.21-km-wide river. However, the current is 0.840 m/s, and it carries the swimmer downstream. (a) ...
*September 28, 2014 by Ashley*

**physics**

If you have swam one lap in a swimming pool, that means you have swam from one end to the other and back. In 3.5 h, a swimmer makes exactly 86 laps in a swimming pool that is 43 m long. Determine the distance the swimmer traveled, the total displacement of the swimmer, the ...
*February 1, 2011 by mah*

**physics**

If you have swam one lap in a swimming pool, that means you have swam from one end to the other and back. In 3 h, a swimmer makes exactly 30 laps in a swimming pool that is 30 m long. Determine the distance the swimmer traveled, the total displacement of the swimmer, the ...
*January 16, 2012 by lauren*

**GTCC**

If you have swam one lap in a swimming pool, that means you have swam from one end to the other and back. In 4 h, a swimmer makes exactly 93 laps in a swimming pool that is 50 m long. Determine the distance the swimmer traveled, the total displacement of the swimmer, the ...
*January 20, 2013 by Anonymous*

**Physics**

If you have swam one lap in a swimming pool, that means you have swam from one end to the other and back. In 4.5 h, a swimmer makes exactly 69 laps in a swimming pool that is 35 m long. Determine the distance the swimmer traveled, the total displacement of the swimmer, the ...
*January 19, 2014 by Bobby*

**physics**

If you have swam one lap in a swimming pool, that means you have swam from one end to the other and back. In 1.5 h, a swimmer makes exactly 77 laps in a swimming pool that is 27 m long. Determine the distance the swimmer traveled, the total displacement of the swimmer, the ...
*January 21, 2014 by Dave*

**guilford tech**

If you have swam one lap in a swimming pool, that means you have swam from one end to the other and back. In 2.5 h, a swimmer makes exactly 26 laps in a swimming pool that is 37 m long. Determine the distance the swimmer traveled, the total displacement of the swimmer, the ...
*September 17, 2011 by mary*

**physics**

If you have swam one lap in a swimming pool, that means you have swam from one end to the other and back. In 2.5 h, a swimmer makes exactly 29 laps in a swimming pool that is 23 m long. Determine the distance the swimmer traveled, the total displacement of the swimmer, the ...
*August 26, 2012 by gin*

**Physics**

A 56 kg swimmer jumps off a 15 m tower. Find the swimmer's velocity when hitting the water. The swimmer comes to a stop 2 m below the surface. Find the net force exerted by the water.
*September 19, 2007 by Anonymous*

**Algebra 2**

The following polynomial function models the speed of a swimmer doing the breast stroke during one complete stroke, where t is the number of seconds since the start of the stroke. S= -241t^7 + 1062t^6 -1871t^5 +1647t^4 - 737t^3 + 144t^2 -2.432t A) At what time is the swimmer ...
*February 21, 2012 by Danielle*

**algebra 2!**

A swimmer is racing to the other side of the pool. The pool is 75 feet long. The swimmer travels 2.5 feet per second. Create a table, equation, and graph to represent the swimmer's distance to the other side of the pool with relation to time. When will the swimmer reach the ...
*May 5, 2011 by audrey*

**Physics**

At an amusement park, a swimmer uses a water slide to enter the main pool. The swimmer slides without friction, and descends through a vertical height of 2.89 m. Find the swimmer's speed at the bottom of the slide if she starts with an initial speed of 0.870 m/s.
*March 9, 2010 by Greg*

**PHYSICS**

At an amusement park, a swimmer uses a water slide to enter the main pool. The swimmer slides without friction, and descends through a vertical height of 2.98m. Find the swimmer's speed at the bottom of the slide if she starts with an initial speed of 0.750 m/s.
*October 15, 2012 by RoCu*

**Physics**

A swimmer tries to go straight across a river that is 500m wide. The swimmer can swim at 1.5m/s. There is a current of .05m/s downstream. Calculate a) the actual velocity of the swimmer b) how long it will tale to reach the far shore c) how far donstream the swimmer will hit ...
*February 8, 2009 by Sally*

**pre-calc**

a lifeguard sits on the lifeguard stand that is about eight feet high.he suddenly notices that a swimmer is struggling in the water.the angle between the base of the lifeguard stand and the swimmer is about 102 degree,and the straight line distance between the base of the ...
*November 6, 2012 by Haley*

**Physics**

A swimmer, capable of swimming at a speed of 0.8 m/s in still water (i.e., the swimmer can swim with a speed of 0.8 m/s relative to the water), starts to swim directly across a 2.5 km wide river. However, the current is 0.91 m/s, and it carries the swimmer downstream.
*September 25, 2012 by Bill*

**Physics**

If you have swam one lap in a swimming pool, that means you have swam from one end to the other and back. In 1.5 h, a swimmer makes exactly 83 laps in a swimming pool that is 27 m long. Determine the distance the swimmer traveled, the total displacement of the swimmer, the ...
*September 2, 2011 by Kayla*

**Physics - urgent!!!**

A swimmer tries to go straight across a river that is 500m wide. The swimmer can swim at 1.5m/s. There is a current of .05m/s downstream. Calculate a) the actual velocity of the swimmer b) how long it will tale to reach the far shore c) how far donstream the swimmer will hit ...
*February 8, 2009 by Sally*

**math**

A swimmer going downstream takes 1hour, 20 minutes to travel a certain distance. If takes the swimmer 4 hours to make to return trip against the current. If the river flows at the rate of 1.5mph. Find the rate of the swimmer in still water and the distance traveled one way.
*July 31, 2010 by joy*

**Science 6th grade**

a swimmer speeds up from 2 m/s to 6 m/s during the last 20 seconds of the race. what is the acceleration of the swimmer?
*October 16, 2011 by Verano*

**math**

please help me to solve this problem A swimmer going downstream takes 1hour,20minutes to travel a certain distance. It takes the swimmer 4hours to make the return trip against the current. If the river flows at the rate of 1.5mph. Find the rate of the swimmer in still water ...
*July 31, 2010 by joy*

**Physics**

A swimmer can swim at 3.9m/s in still water. What will the swimmer's speed be (relative to the shore) if he crosses a river that is flowing at 5.1m/s?
*November 20, 2014 by Gabby*

**Physics (again, sorry)**

A swimmer maintains a speed of 0.15 m/s relative to the water when swimming directly toward the opposite shore of a straight river with a current that flows at 0.75 m/s. (a) How far downstream is the swimmer carried in 1.5 minutes? (b) What is the velocity of the swimmer ...
*November 29, 2007 by Emma*

**physics**

A swimmer swims in still water at a speed of 6.83 m/s. He intends to swim directly across a river that has a downstream current of 2.89 m/s. (a) What must the swimmer's direction be?
*December 13, 2012 by Anonymous*

**physics**

(a) The current in a river flows at 1.35 ms-1 relative to an observer on the shore. A swimmer with a velocity of 3.12 ms-1 relative to the water swims directly upstream. What is the velocity of the swimmer relative to an observer on the shore? i used v=v water + v swimmer -1....
*August 21, 2014 by shoushanik*

**Physics**

3 swimmers cross a river with a downstream current. Swimmer A swims straight across and ends up down the river. Swimmer B swims against the current, and reaches the shore directly across from the starting point. Swimmer C swims with the current, landing very down stream. Who ...
*September 21, 2011 by Mel*

**Physics**

A swimmer wants to cross a river, from point A to point B, as shown in the figure. The distance d1 (from A to C) is 200 m, the distance d2 (from C to B) is 132 m, and the speed of the current in the river is 1.0 m/s. Suppose that the swimmer's velocity relative to the water ...
*February 1, 2014 by Alison*

**physics**

(b) The current in a river flows at 1.51 ms-1 relative to the shore. A swimmer with a velocity of 3.76 ms-1 relative to the water wishes to swim directly across the river. At what angle to the shore should the swimmer head in order to arrive directly opposite on the other bank...
*August 21, 2014 by shoushanik*

**Physics**

A swimmer heads directly across a river, swimming at 1.9 m/s relative to the water. She arrives at a point 50 m downstream from the point directly across the river, which is 79 m wide. (a) What is the speed of the river current? m/s (b) What is the swimmer's speed relative to ...
*August 1, 2013 by Jacob*

**physics**

A swimmer heads directly across a river, swimming at 1.2 m/s relative to the water. She arrives at a point 48 m downstream from the point directly across the river, which is 77 m wide. (a) What is the speed of the river current? (b) What is the swimmer's speed relative to the ...
*September 10, 2014 by Johnathan*

**physics**

At an amusement park, a swimmer uses a water slide to enter the main pool. If the swimmer starts at rest, slides without friction, and decends through a vertical height of 2.40 m, what is her speed at the bottom of the slide?
*November 24, 2008 by lydia*

**Physics**

At an amusement park, a swimmer uses a water slide to enter the main pool. If the swimmer starts at rest, slides without friction, and descends through a vertical height of 2.28 m, what is her speed at the bottom of the slide?
*October 4, 2010 by Kat*

**Physics**

At an amusement park, a swimmer uses a water slide to enter the main pool. If the swimmer starts at rest, slides without friction, and descends through a vertical height of 2.41 m, what is her speed at the bottom of the slide?
*March 22, 2011 by Randy*

**Physics**

Consider a swimmer who wants to swim directly across a river. If the speed of the current is 0.31 m/s and the swimmer's speed relative to the water is 0.57 m/s, how long will it take her to cross a river that is 13 m wide?
*October 20, 2012 by Anne*

**triggg**

The drag force F (in pounds) of water on a swimmer can be modeled by F = 1.35s^2 where s is the swimmer’s speed ( in miles per hour). At what speed is the force minimized? **Note** ^ means "to the power of."
*April 25, 2012 by cheyanne marie*

**physics**

Suppose that the swimmer in the figure below has a swimming speed relative to the water of 0.44 m/s, while the speed of the current is 2.0 m/s. If it takes the swimmer 180 s to cross the river, how wide is the river?
*October 4, 2012 by Garcia*

**Physics**

Suppose that the swimmer in the figure below has a swimming speed relative to the water of 0.45 m/s, while the speed of the current is 2.0 m/s. If it takes the swimmer 160 s to cross the river, how wide is the river?
*September 24, 2014 by Natalie*

**Physics**

Suppose that the swimmer in the figure below has a swimming speed relative to the water of 0.40 m/s, while the speed of the current is 2.2 m/s. If it takes the swimmer 200 s to cross the river, how wide is the river
*September 25, 2014 by Judy*

**physics**

Consider a swimmer who wants to swim directly across a river as shown in the figure below. If the speed of the current is 0.29 m/s and the swimmer's speed relative to the water is 0.64 m/s, how long will it take her to cross a river that is 14 m wide?
*February 4, 2014 by sarah*

**math**

An olympic swimmer is having his laps timed during practice. To be aware of his progress, the results are shown as order pairs (l, t) below: (1,19), (2,38), (3,57) (4,76). Which equation represents t, the time in seconds, as a function of l the number of laps that the swimmer ...
*May 10, 2012 by Jane*

**physics**

A swimmer can swim 1.7 mph in still water. She decides to swim upsteam against the current which is 0.7 mph. It will take the swimmer ___ hours to travel 8 miles as measured by a person standing on the river bank.
*January 28, 2015 by diana*

**science**

31kg.swimmer.runs.with.a.horizontal..velocity.of.4,0.m/s.off.a.boat.dock.and.lands.in.a.stationery.rubber.raft.of.mass.og.9kg..what.would.be.the.velocity.of.the.swimmer.and.raft.after.the.impact.assuming.no.water.resistance
*February 18, 2012 by sukie*

**Physics**

At an amusement park, a swimmer uses a water slide to enter the main pool. If the swimmer slides without friction, and descends through a vertical height of 3.01 m, and has a initial speed of 0.970 m/s, what is her speed at the bottom of the slide? ??? m/s
*October 30, 2014 by kamich74*

**physics**

A 49.4 kg swimmer is standing on a stationary 214 kg floating raft. The swimmer then runs off the raft horizontally with a velocity of +3.60 m/s relative to the shore. Calculate the magnitude of the recoil velocity that the raft would have if there were no resistance due to ...
*January 19, 2012 by Jen*

**arithematic**

A swimmer swam 1000 meters downstream in 15 minutes and swam back in 30 minutes against the current. what was the rate of the swimmer in still water? how fast was the current?
*August 12, 2014 by tanusree*

**Physics**

A swimmer heads directly across a river, swimming at 1.10 m/s relative to the water. She arrives at a point 60.0 m downstream from the point directly across the river, 80.0 m wide. What is the speed of the river current? What is the swimmer's speed relative to the shore? In ...
*September 6, 2012 by Sara*

**physics**

A swimmer heads directly across a river, swimming at 1.10 m/s relative to the water. She arrives at a point 52.0 m downstream from the point directly across the river, 72.0 m wide. What is the speed of the river current? What is the swimmer's speed relative to the shore? In ...
*September 11, 2012 by Ashley*

**physics**

A swimmer can swim 3 mph in still water. She decides to swim perpendicular to the river current which is 3 mph. If the river is 19.89 miles wide, it will take the swimmer ___ hours to cross the river.
*January 28, 2015 by diana*

**Maths**

In a swimming race, you find that a swimmer can swim downstream (with the current) in a river, 2 miles in 40 minutes, & upstream (against the current) 2 miles in 60 minutes. How long would it take the swimmer to swim a mile in still water?
*February 1, 2013 by Mir Aman*

**Physics**

A 69 kg swimmer free-falls off a 10.0 m diving platform. The diver comes to a stop 2.7 m below the water's surface. What is the magnitude of the force exerted by the water on the swimmer. (assume a positive direction is up) I calculated the force on the diver before they hit ...
*October 24, 2012 by Becca*

**Physics**

A 69 kg swimmer free-falls off a 10.0 m diving platform. The diver comes to a stop 2.7 m below the water's surface. What is the magnitude of the force exerted by the water on the swimmer. (assume a positive direction is up) I calculated the force on the diver before they hit ...
*October 24, 2012 by Becca*

**physics**

A swimmer heads directly across a river, swimming at 1.5 m/s relative to the water. She arrives at a point 30 m downstream from the point directly across the river, which is 87 m wide. (c) In what direction should the swimmer head so as to arrive at the point directly opposite...
*August 9, 2014 by Danielle*

**Physics**

A swimmer can swim in still water at a speed of 9.31 m/s. He intends to swim directly across a river that has a downstream current of 4.35 m/s. a) How many degrees from straight across the river should he head? Let upstream be a positive angle. Answer in units of degrees b) ...
*October 11, 2012 by Diego*

**physics**

Olympic swimmers can swim at a speed of 1.7 m/s. If an Olympic swimmer were swimming in the ocean on a day when the wavelength of the waves was 20m and the frequency was 1 Hz, would the swimmer be able to swim fast enough to avoid being lifted by a wave? Show your calculation...
*January 25, 2012 by Jon*

**physics**

Olympic swimmers can swim at a speed of 1.7 m/s. If an Olympic swimmer were swimming in the ocean on a day when the wavelength of the waves was 20m and the frequency was 1 Hz, would the swimmer be able to swim fast enough to avoid being lifted by a wave? Show your calculation...
*January 25, 2012 by Jon*

**Trig**

A swimmer heads perpendicular to a 2-miles-per-hour current. His speed in still water is 1.8 miles per hour. Find the actual speed of the swimmer and his direction angle, 0 (the zero right her is supposed to have a line through the middle of it, I think it means cosine or ...
*May 10, 2010 by MEGGG!!!*

**Trig**

A swimmer heads perpendicular to a 2-miles-per-hour current. His speed in still water is 1.8 miles per hour. Find the actual speed of the swimmer and his direction angle, 0 (the zero right here is supposed to have a line through the middle of it, I think it means cosine or ...
*May 10, 2010 by MEGGG!!!*

**Physics**

Here's the question: A 55 kg swimmer is standing on a stationary 235 kg floating raft. The swimmer then runs off the raft horizontally with a velocity of +4.3 m/s relative to the shore. Find the recoil velocity that the raft would have if there were no friction and resistance ...
*December 10, 2012 by Christina*

**PHYSICS!**

In scuba diving, a regulator is used so that the pressure of the air the diver breathes is close to that of the ambient water. A reckless swimmer decides to use a hose sticking out of the surface to breathe underwater while diving in a lake. When the air pressure in the lungs ...
*October 27, 2012 by Emily *

**physics**

Describe the differences between the force of gravity and buoyant forces on a swimmer.
*November 15, 2008 by fahad*

**physics**

A 55 kg swimmer crosses a 100 m pool in 12 s. If she moves with a constant velocity, what is her momentum?
*January 3, 2011 by Elaina*

**physics**

if a swimmer swims 85.4 yards in five minutes, how many meters will he swim in 70.0 seconds?
*September 8, 2013 by sharon*

**science**

Find the overall average speed of swimmer number one during the race. Find the overall average speed of the second swimmer from the time he starts swimming until he ends his race. What is the instantaneous speed of the second swimmer at time t = 25 s during the race? What is ...
*June 17, 2013 by bittubeniwal*

**Physics**

If a 70g swimmer pushes off a pool wall with a force of250n, what is her acceleration?
*June 21, 2011 by A*

**Physics **

A 56 kg swimmer jumps off of 15 m tower. Find the swimmers velocity when hitting the water.
*March 6, 2014 by Jennylynn*

**math**

a circular pool has a radius of 8 ft. what is the longest distance a swimmer can swim without making a turn?
*December 7, 2010 by Anonymous*

**earth science**

A swimmer completed the 1,500 meter freestyle in 625 seconds. What was his average speed?
*September 11, 2012 by Anonymous*

**math **

Circular pool has a radius of 8ft. What is the longest distance a swimmer can swim without making a turn?
*March 5, 2012 by crystal *

**PHYSICS**

a swimmer develops an average of 200 watts in a distance of 100m in 80 seconds. what is the force resistance in the water?
*July 12, 2014 by Nolan*

**Math**

Write an inequality for the following. A swimmer dove off a 25 ft. Platform. He submerged 14 feet below the water.
*January 21, 2015 by Joyce*

**physisc! URGEENT**

The current is 1.9 m/s. A person can swim 0.7 m/s. What is the best angle for the swimmer so that it is swept downstream the shortest distance possible?
*February 21, 2010 by mark*

**English**

Which of these sentences has a missing antecedent? Although my sister is a swimmer, I don't know anything about it. When Trina and Rachel went to the mall, she drove.
*May 22, 2014 by Anonymous*

**physics**

If the height of the water slide in the figure below is h1 = 1.55 m and h2 = 1.35 m, and the person's initial speed at point A is 0.593 m/s, at what location does the swimmer splash down in the pool?
*March 4, 2012 by Ashley*

**physics**

a swimmer makes 31.5 laps in the pool in 1.5 determine the total distance, total displacement, and average velocity.
*January 19, 2012 by owusu*

**physics**

A swimmer can swim in still water at a speed of 9.42 m/s. He intends to swim directly across a river that has a downstream current of 3.04 m/s.
*September 22, 2013 by Anonymous*

**L.A**

1.The long-distance swimmer had a sense of ____________. A.Engaging B.Perseverance C.Potential D.Rendition ( Would the correct choice be perseverance?) Thanks
*November 21, 2010 by Shadow*

**physics**

A river is moving at 4.0 m/s [s] , and a swimmer swims across it at 1.4 m/s [e] relative to the water. What is the swimmers velocity measure with respect to the river bank
*February 26, 2012 by Melissa*

**physics**

A river is moving at 4.0 m/s [s] , and a swimmer swims across it at 1.4 m/s [e] relative to the water. What is the swimmers velocity measure with respect to the river bank
*February 26, 2012 by Melissa*

**physics**

A River Is Flowing at a velocity of 0.15 m/s west. a swimmer swims against the current at a velocity of 0.22 east, how manyu hours will it take him to swim 1 km?
*November 26, 2011 by laura*

**Physics**

A 42.0 kg swimmer with an initial speed of 1.50 m/s decides to coast until she comes to rest. If she slows with constant acceleration and stops after coasting 2.00 m, what was the magnitude of the force exerted on her by the water?
*July 2, 2014 by Claire*

**Math**

A swimmer swam north at 1.75 m/s across a current running from west to east at 2 m/s. She swam for 20 s. How far did she travel, rounded to the nearest tenth of a metre? A) 75 m B) 53.2 m C) 2.7 m D) 26.6 m
*May 7, 2012 by Anonymous*

**science**

A swimmer travels from the south end to the north end of a 30.0 m pool in 15.0 s and makes the return trip to the starting position in 19.0 s. What is the average velocity for the roundtrip?
*May 14, 2014 by ashlee*

**physics**

Consider the swimmer in the figure below. Suppose that his swimming speed relative to the water is 5.7 m/s, current = 2.2 m/s, and that the river is 10 m wide. How long will it take for him to cross the river?
*October 4, 2012 by Garcia*

**physics**

A swimmer is capable of swimming at 1.4m/s in still water. Calculate the following. i. How far downstream will he land if he swims directly across 180m wide river? ii. How long will it take him to the other side.
*February 11, 2013 by Ashman*

**physical science**

the distance between two wave crests in the water is 3 meters. a swimmer notices one wave goes by every 6 seconds. What is the spped of the waves
*August 19, 2011 by Anonymous*

**English**

1. He is a good swimmer. = He swims well. 2. He is a fast learner. = He learns fast. 3. He is a careful examiner. = He examines carefully. 4. He is a slow worker. = He works slowly. ----------------- Are the expressions the same and correct?
*October 13, 2008 by John*

**physical science**

need help understanding how to do this problem. "A swimmer swims a half lap, moving from the left end to the right end of a pool that is 50 meters long. What is the distance and what is the displacement? Thanks...
*August 20, 2014 by Brandi*

**Physics**

A swimmer is heading straight for the other shore of a river with a velocity of vs=0.5 m/s relative to the water, but is carried away by the current, which has a velocity of vr=0.4 m/s. It takes her 20.6 s to get across. How far downstream does she end up?
*January 27, 2015 by Chris*

**Math**

if a swimmer swam one lap in 32 seconds and the second lap in 45 seconds how do I calculate to find her total time?
*September 28, 2011 by Carma*

**Physics**

A swimmer is heading straight for the other shore of a river with a velocity of vs=0.7 m/s relative to the water, but is carried away by the current, which has a velocity of vr=0.3 m/s. It takes her 20.3 s to get across. How far downstream does she end up? This is what I did ...
*September 23, 2010 by Nicole*

**physics**

The current of a river is 1.9 m/s. A person can swim 0.7 m/s. What is the best angle for the swimmer so that it is swept downstream the shortest distance possible? Distance of river is 120 m.
*February 22, 2010 by matthew*