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

Author Question: A pair of toy freight cars, one twice the mass of the other, fly apart when a compressed spring that ... (Read 91 times)

kfurse

  • Hero Member
  • *****
  • Posts: 590
on: Jul 29, 2018
A pair of toy freight cars, one twice the mass of the other, fly apart when a compressed spring that joins them is released. The spring exerts the greater force on the
 
  A) heavier car.
  B) lighter car.
  C) same on each.

Question 2

The force that propels a cannonball when fired from a cannon is
 
  A) huge compared to the recoil force on the cannon.
  B) equal and opposite to the force the ball exerts on the cannon.
  C) in some cases, equal and opposite to the force the ball exerts on the cannon.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ansleighelindsey

  • Sr. Member
  • ****
  • Posts: 364
Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: C

Answer to Question 2

Answer: B


kfurse

  • Member
  • Posts: 590
Reply 2 on: Jul 29, 2018
Great answer, keep it coming :)

tkempin

  • Member
  • Posts: 332
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

The average person is easily confused by the terms pharmaceutics and pharmacology, thinking they are one and the same. Whereas pharmaceutics is the science of preparing and dispensing drugs (otherwise known as the science of pharmacy), pharmacology is the study of medications.

Did you know?

Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

Did you know?

About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.

Did you know?

About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.

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.

Polar ice caps lose mass as surface ice melts Polar ice caps lose mass as surface ice melts
Mass Wasting Triggers Mass Wasting Triggers
What is the mass of BaCl2 in a 0.250 L bottle of 0.200 M BaCl2? What is the mass of BaCl2 in a 0.250 L bottle of 0.200 M BaCl2?
A triatomic molecule is oriented as follows along the x-axis: atom 1 of mass m is at the ... A triatomic molecule is oriented as follows along the x-axis: atom 1 of mass m is at the ...
For toluene (shown below), you would expect to see which m/z fragment in the mass spectrum? For toluene (shown below), you would expect to see which m/z fragment in the mass spectrum?
Video: Wound Cultures

For a complete list of videos, visit our video library