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

Author Question: A cannon recoils while firing a cannonball. The speed of the cannon's recoil is relatively small ... (Read 151 times)

Themember4

  • Hero Member
  • *****
  • Posts: 538
on: Jul 29, 2018
A cannon recoils while firing a cannonball. The speed of the cannon's recoil is relatively small because the
 
  A) force against the cannon is smaller than against the ball.
  B) momentum is mainly concentrated in the cannonball.
  C) cannon has much more mass than the cannonball.
  D) momentum of the cannon is smaller.

Question 2

The average braking force of a 1000-kg car moving at 10 m/s braking to a stop in 5 s is
 
  A) 1000 N.
  B) 2000 N.
  C) 3000 N.
  D) 4000 N.
  E) 5000 N.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

moormoney

  • Sr. Member
  • ****
  • Posts: 326
Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: C

Answer to Question 2

Answer: B


Themember4

  • Hero Member
  • *****
  • Posts: 538
Reply #2 on: Jul 29, 2018
TY


moormoney

  • Sr. Member
  • ****
  • Posts: 326
Reply #3 on: Jul 29, 2018
You're welcome


« previous next »
 

Did you know?

Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

Did you know?

Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.

Did you know?

Most strokes are caused when blood clots move to a blood vessel in the brain and block blood flow to that area. Thrombolytic therapy can be used to dissolve the clot quickly. If given within 3 hours of the first stroke symptoms, this therapy can help limit stroke damage and disability.

Did you know?

Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

A small sample of the great diversity of seed sizes and shapes. A small sample of the great diversity of seed sizes and shapes.
Small and large intestines Small and large intestines
Firing Rate of Individual SCN Neurons in a Tissue Culture Color bars have been added to emphasize th Firing Rate of Individual SCN Neurons in a Tissue Culture Color bars have been added to emphasize th
A finger-stick is useful for obtaining small amounts of blood. A finger-stick is useful for obtaining small amounts of blood.
Three-dimensional models of the small and large subunits of ribosomes. Three-dimensional models of the small and large subunits of ribosomes.
Video: Adolescent Diabetes

For a complete list of videos, visit our video library