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 124 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?

Asthma cases in Americans are about 75% higher today than they were in 1980.

Did you know?

The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.

Did you know?

Nearly all drugs pass into human breast milk. How often a drug is taken influences the amount of drug that will pass into the milk. Medications taken 30 to 60 minutes before breastfeeding are likely to be at peak blood levels when the baby is nursing.

Did you know?

Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

Did you know?

There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).

Wound dehiscence, back Wound dehiscence, back
The Seasonality Effect The Seasonality Effect
Hormonal Changes in Puberty Girls and boys follow very different hormonal paths at this life stage Hormonal Changes in Puberty Girls and boys follow very different hormonal paths at this life stage
Major back and shoulder muscles. Major back and shoulder muscles.
Dorsal fulling for the back, ribs, and lymphatic reflexes. Dorsal fulling for the back, ribs, and lymphatic reflexes.
Rhythmic sliding compression down both sides of the spine, with palmar friction back up to ... Rhythmic sliding compression down both sides of the spine, with palmar friction back up to ...
Video: Embryonic development - week 1 and 2

For a complete list of videos, visit our video library