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

Author Question: A meter stick having a rest mass of 1 kg moves past you. Your measurements show it to have a mass of ... (Read 65 times)

silviawilliams41

  • Hero Member
  • *****
  • Posts: 560
A meter stick having a rest mass of 1 kg moves past you. Your measurements show it to have a mass of 2 kg and a length of 1 m. How is the stick oriented, as observed by you?
 
  A) perpendicular to its direction of motion
  B) parallel to its direction of motion
  C) It is impossible to say anything about the orientation without further information.
  D) Nonsense--if the stick's mass has increased to 2 kg, then it must be longer than 1 m.

Question 2

Suppose you want to set up a simple pendulum with a period of 2.50 s. How long should it be
  (a) on Earth, at a location where g = 9.80 m/s2?
  (b) on a planet where g is 5.00 times what it is on Earth?
 
  What will be an ideal response?



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Jsherida

  • Sr. Member
  • ****
  • Posts: 314
Answer to Question 1

A

Answer to Question 2

(a) 1.55 m (b) 7.76 m




silviawilliams41

  • Member
  • Posts: 560
Reply 2 on: Jul 29, 2018
:D TYSM


amandalm

  • Member
  • Posts: 306
Reply 3 on: Yesterday
Great answer, keep it coming :)

 

Did you know?

Bisphosphonates were first developed in the nineteenth century. They were first investigated for use in disorders of bone metabolism in the 1960s. They are now used clinically for the treatment of osteoporosis, Paget's disease, bone metastasis, multiple myeloma, and other conditions that feature bone fragility.

Did you know?

On average, the stomach produces 2 L of hydrochloric acid per day.

Did you know?

Over time, chronic hepatitis B virus and hepatitis C virus infections can progress to advanced liver disease, liver failure, and hepatocellular carcinoma. Unlike other forms, more than 80% of hepatitis C infections become chronic and lead to liver disease. When combined with hepatitis B, hepatitis C now accounts for 75% percent of all cases of liver disease around the world. Liver failure caused by hepatitis C is now leading cause of liver transplants in the United States.

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.

Did you know?

The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

For a complete list of videos, visit our video library