This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: A river flows due east at 2.0 m/s. A boat crosses the 300 m-wide river by maintaining a constant ... (Read 57 times)

crobinson2013

  • Hero Member
  • *****
  • Posts: 535
on: Jul 28, 2018
A river flows due east at 2.0 m/s. A boat crosses the 300 m-wide river by maintaining a constant velocity of 10 m/s due north relative to the water. If no correction is made for the current, how far downstream does the boat move by the time it reaches the far shore?
 a. 6 m
  c. 60 m
  b. 30 m
  d. 90 m

Question 2

A boat moves at 11.0 m/s relative to the water. If the boat is in a river where the current is 2.00 m/s, how long does it take the boat to make a complete round trip of 1000 m upstream followed by a 1000 m trip downstream?
 a. 188 s
  c. 208 s
  b. 205 s
  d. 222 s


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

wtf444

  • Sr. Member
  • ****
  • Posts: 314
Reply #1 on: Jul 28, 2018
Answer to Question 1

C

Answer to Question 2

A


crobinson2013

  • Member
  • Posts: 535
Reply 2 on: Jul 28, 2018
Excellent

coreycathey

  • Member
  • Posts: 333
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.

Did you know?

The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

Did you know?

More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.

Did you know?

The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

Did you know?

Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

Decorative white silk crosses are an ingenious tactic used by orb-weaving spiders to protect their w Decorative white silk crosses are an ingenious tactic used by orb-weaving spiders to protect their w
The Speed of Light Is Constant The Speed of Light Is Constant
William A. Garnett, Erosion and Strip Farms, East Slope of the Tehachapi Mountains. William A. Garnett, Erosion and Strip Farms, East Slope of the Tehachapi Mountains.
When 1.50 mol of CH4(g) reacts with excess Cl2(g) at constant pressure according to the ... When 1.50 mol of CH4(g) reacts with excess Cl2(g) at constant pressure according to the ...
For a particular process that is carried out at constant pressure, q = 145 kJ and w = -35 kJ. ... For a particular process that is carried out at constant pressure, q = 145 kJ and w = -35 kJ. ...
Video: Introduction to Macular Degeneration

For a complete list of videos, visit our video library