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

Author Question: Two identical particles move toward each other, one twice as fast as the other. Just before they ... (Read 21 times)

formula1

  • Hero Member
  • *****
  • Posts: 666
on: Jul 29, 2018
Two identical particles move toward each other, one twice as fast as the other. Just before they collide, one has a kinetic energy of 25 J and the other 50 J. At this instant their total kinetic energy is
 
  A) 25 J.
  B) 50 J.
  C) 75 J.
  D) none of the above
  E) need more information

Question 2

A motorcycle moving at 50 km/h skids 10 m with locked brakes. How far will it skid with locked brakes when traveling at 150 km/h?
 
  A) 10 m
  B) 30 m
  C) 50 m
  D) 90 m


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

onowka

  • Sr. Member
  • ****
  • Posts: 353
Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: C

Answer to Question 2

Answer: D


formula1

  • Member
  • Posts: 666
Reply 2 on: Jul 29, 2018
Excellent

mochi09

  • Member
  • Posts: 335
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.

Did you know?

More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.

Did you know?

Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).

Did you know?

In the United States, congenital cytomegalovirus causes one child to become disabled almost every hour. CMV is the leading preventable viral cause of development disability in newborns. These disabilities include hearing or vision loss, and cerebral palsy.

Did you know?

Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.

Artist's impression of an electron splitting up into two new particles Artist's impression of an electron splitting up into two new particles
In 1839 Mary Cragin, at the age of twenty-nine, became a convert to John Humphrey Noyes’s “communism In 1839 Mary Cragin, at the age of twenty-nine, became a convert to John Humphrey Noyes’s “communism
Oil pressure applied to the locking pin causes the inside of the lifter to freely move inside the ... Oil pressure applied to the locking pin causes the inside of the lifter to freely move inside the ...
Rub for at least 15 seconds. Particles and pathogens become suspended in the soapy lather and are ... Rub for at least 15 seconds. Particles and pathogens become suspended in the soapy lather and are ...
Prophase Chromosomes coil up and condense; centrioles divide and move apart Prophase Chromosomes coil up and condense; centrioles divide and move apart
Cancer cells can move to new locations in the body, a process called metastasis Cancer cells can move to new locations in the body, a process called metastasis
Video: Stress and Immune System Animation

For a complete list of videos, visit our video library