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 88 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
Excellent

brbarasa

  • Member
  • Posts: 308
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.

Did you know?

The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

Did you know?

More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.

Did you know?

Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.

Did you know?

Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

Brain mass as a function of body mass in mammals. Brain mass as a function of body mass in mammals.
This five-wire mass air flow sensor consists of a metal foil sensing unit, an intake air temperature ... This five-wire mass air flow sensor consists of a metal foil sensing unit, an intake air temperature ...
Unusual base pairings in tRNA: (a, b) Some unusual pair matches Unusual base pairings in tRNA: (a, b) Some unusual pair matches
0.123 g of a gas occupy a volume of 124 mL at 120. °C and 760. torr. Its molar mass is ... 0.123 g of a gas occupy a volume of 124 mL at 120. °C and 760. torr. Its molar mass is ...
An organism has alleles R1 and R2 on one pair of homologous chromosomes, and it has alleles T1 ... An organism has alleles R1 and R2 on one pair of homologous chromosomes, and it has alleles T1 ...
Mass Extinctions Mass Extinctions
Video: Homologous chromosomes during prophase I - Animation

For a complete list of videos, visit our video library