This topic contains a solution. Click here to go to the answer

Author Question: Two vectors, of magnitudes 20 mm and 50 mm, are added together. Which one of the following is a ... (Read 52 times)

schs14

  • Hero Member
  • *****
  • Posts: 569
Two vectors, of magnitudes 20 mm and 50 mm, are added together. Which one of the following is a possible value for the magnitude of the resultant?
 
  A) 10 mm
  B) 20 mm
  C) 40 mm
  D) 80 mm

Question 2

A pion is an unstable particle that has a mean lifetime of 2.55  10-8 s. This is the time interval between its creation in a nuclear process and its extinction into decay products,
 
  as measured in a frame of reference at rest with respect to the pion. An average pion is traveling at 0.230c relative to Earth. How far does it travel in its lifetime, relative to Earth?
  A) 2.07 m
  B) 1.81 m
  C) 2.23 m
  D) 3.22 m
  E) 3.50 m


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

welcom1000

  • Sr. Member
  • ****
  • Posts: 298
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 29% of students answer this correctly




schs14

  • Member
  • Posts: 569
Reply 2 on: Jul 29, 2018
Excellent


T4T

  • Member
  • Posts: 348
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

Did you know?

Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.

Did you know?

If all the neurons in the human body were lined up, they would stretch more than 600 miles.

Did you know?

The top 10 most important tips that will help you grow old gracefully include (1) quit smoking, (2) keep your weight down, (3) take supplements, (4) skip a meal each day or fast 1 day per week, (5) get a pet, (6) get medical help for chronic pain, (7) walk regularly, (8) reduce arguments, (9) put live plants in your living space, and (10) do some weight training.

Did you know?

Approximately 25% of all reported medication errors result from some kind of name confusion.

Did you know?

The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.

For a complete list of videos, visit our video library