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

Author Question: Two boys in a canoe toss a baseball back and forth. What effect will this have on the canoe? Neglect ... (Read 114 times)

natalie2426

  • Hero Member
  • *****
  • Posts: 524
on: Jul 28, 2018
Two boys in a canoe toss a baseball back and forth. What effect will this have on the canoe? Neglect (velocity-dependent) frictional forces with water or air.
 a. None, because the ball remains in the canoe. b. The canoe will drift in the direction of the boy who throws the ball harder each time. c. The canoe will drift in the direction of the boy who throws the ball with less force each time. d. The canoe will oscillate back and forth always moving opposite to the ball.
  e. The canoe will oscillate in the direction of the ball because the canoe and ball exert forces in opposite directions upon the person throwing the ball.

Question 2

Two bodies with masses m1 and m2 are both moving east with velocities of magnitudes v1 and v2, where v1 is less than v2 . The magnitude of the velocity of the center of mass of this system of two bodies is
 a. less than v1.
  b. equal to v1.
  c. equal to the average of v1 and v2.
  d. greater than v1 and less than v2.
  e. greater than v2.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

hanadaa

  • Sr. Member
  • ****
  • Posts: 339
Reply #1 on: Jul 28, 2018
Answer to Question 1

D

Answer to Question 2

D


natalie2426

  • Hero Member
  • *****
  • Posts: 524
Reply #2 on: Jul 28, 2018
TY


hanadaa

  • Sr. Member
  • ****
  • Posts: 339
Reply #3 on: Jul 28, 2018
You're welcome


« previous next »
 

Did you know?

Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.

Did you know?

Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.

Did you know?

Never take aspirin without food because it is likely to irritate your stomach. Never give aspirin to children under age 12. Overdoses of aspirin have the potential to cause deafness.

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Did you know?

Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.

The mechanism of maternal effect in snail coiling. The mechanism of maternal effect in snail coiling.
A person with a defective "P" gene might only have it effect the Hair A person with a defective "P" gene might only have it effect the Hair
Avoid hiking your shoulders as you pull back. Avoid hiking your shoulders as you pull back.
Using your fingertips at the edge of the eye orbit, apply L stroke down to chin and back toward the ... Using your fingertips at the edge of the eye orbit, apply L stroke down to chin and back toward the ...
Effect of a catalyst on activation energy Effect of a catalyst on activation energy
Fall Back Image Fall Back Image
Video: Bond types - Atomic structure and basis of bonds

For a complete list of videos, visit our video library