« previous next »

Author Question: In a police ballistics test, 2.00-g bullet traveling at 700 m/s suddenly hits and becomes embedded ... (Read 117 times)

jilianpiloj

  • Hero Member
  • *****
  • Posts: 521
on: Jul 29, 2018
In a police ballistics test, 2.00-g bullet traveling at 700 m/s suddenly hits and becomes embedded in a stationary 5.00-kg wood block. What is the speed of the block immediately after the bullet has stopped moving relative to the block?
 
  What will be an ideal response?

Question 2

A typical source of infrared radiation is
 
  A) magnetized particles vibrating in iron and certain other metals.
  B) charged particles moving within the nucleus.
  C) electrons moving along a metal antenna.
  D) thermal vibrations of molecules.
  E) electrons orbiting the nucleus in atoms.


ASDFGJLO

  • Sr. Member
  • ****
  • Posts: 335
Reply #1 on: Jul 29, 2018
Answer to Question 1

0.280 m/s

Answer to Question 2

D


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.

Did you know?

Fatal fungal infections may be able to resist newer antifungal drugs. Globally, fungal infections are often fatal due to the lack of access to multiple antifungals, which may be required to be utilized in combination. Single antifungals may not be enough to stop a fungal infection from causing the death of a patient.

Did you know?

Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

Did you know?

According to animal studies, the typical American diet is damaging to the liver and may result in allergies, low energy, digestive problems, and a lack of ability to detoxify harmful substances.

Did you know?

A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

Straight Leg Raising Test Straight Leg Raising Test
James A. Garfield lies mortally wounded. After failing to locate the bullet, surgeons called in Alex James A. Garfield lies mortally wounded. After failing to locate the bullet, surgeons called in Alex
Two items from the incomplete-pictures test. H.M.’s memory for the 20 items on the test was ... Two items from the incomplete-pictures test. H.M.’s memory for the 20 items on the test was ...
Cards Used in a Formal Test of Problem Solving Cards Used in a Formal Test of Problem Solving
A pool player is attempting a fancy shot. He hits the cue ball giving it a speed of 5.57 m/s ... A pool player is attempting a fancy shot. He hits the cue ball giving it a speed of 5.57 m/s ...
Test-cross analysis of F1 plants Test-cross analysis of F1 plants
Video: HDL (high density lipoprotein)

For a complete list of videos, visit our video library