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

Author Question: A 328-kg car moving at 19.1 m/s in the +x direction hits from behind a second car moving at in the ... (Read 61 times)

OSWALD

  • Hero Member
  • *****
  • Posts: 580
on: Jul 29, 2018
A 328-kg car moving at 19.1 m/s in the +x direction hits from behind a second car moving at in the same direction.
 
  If the second car has a mass of and a speed of right after the collision, what is the velocity of the first car after this sudden collision?
  A) 18.2 m/s B) -14.0 m/s C) 24.2 m/s D) 14.0 m/s

Question 2

A cat and a mouse run along a road with the same kinetic energy. The faster runner is the
 
  A) cat.
  B) mouse.
  C) both run at the same speed
  D) not enough information


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

AmberC1996

  • Sr. Member
  • ****
  • Posts: 317
Reply #1 on: Jul 29, 2018
Answer to Question 1

D

Answer to Question 2

Answer: B


OSWALD

  • Hero Member
  • *****
  • Posts: 580
Reply #2 on: Jul 29, 2018
Both answers were spot on, thank you once again


AmberC1996

  • Sr. Member
  • ****
  • Posts: 317
Reply #3 on: Jul 29, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

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).

Did you know?

Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

Did you know?

About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.

Did you know?

Excessive alcohol use costs the country approximately $235 billion every year.

Types of transporters based on the direction of transport. Types of transporters based on the direction of transport.
Circumduction Circumduction–Moving a body part in a circular motion. Circumduction Circumduction–Moving a body part in a circular motion.
Lithotripsy. The direction of a sound pulse crushes the stones into smaller fragments that can be pa Lithotripsy. The direction of a sound pulse crushes the stones into smaller fragments that can be pa
Apply deep circular friction with the fingertips to the erector muscles on the right side, moving ... Apply deep circular friction with the fingertips to the erector muscles on the right side, moving ...
Find the magnitude and the direction of the resultant vector of the vectors below. Find the magnitude and the direction of the resultant vector of the vectors below.
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 ...
Video: Michaelis–Menten equation & Kinetic parameters

For a complete list of videos, visit our video library