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

Author Question: It takes 6400 years for one gram of radium to decay away to only 1/16one-sixteenthof a gram. The ... (Read 70 times)

ETearle

  • Hero Member
  • *****
  • Posts: 580
on: Jul 29, 2018
It takes 6400 years for one gram of radium to decay away to only 1/16one-sixteenthof a gram. The half-life of radium is
 
  A) not possible to determine from this information.
  B) 1600 years.
  C) 400 years.
  D) 3200 years.
  E) 800 years.

Question 2

In a carnival ride, passengers stand with their backs against the wall of a cylinder. The cylinder is set into rotation and the floor is lowered away from the passengers, but they remain stuck against the wall of the cylinder.
 
  For a cylinder with a 2.0-m radius, what is the minimum speed that the passengers can have so they do not fall if the coefficient of static friction between the passengers and the wall is 0.25? A) 8.9 m/s
  B) 2.3 m/s
  C) 3.0 m/s
  D) 4.9 m/s
  E) It depends on the mass of the passengers.
Physics ¦ Walker ¦ 5th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

whitcassie

  • Sr. Member
  • ****
  • Posts: 298
Reply #1 on: Jul 29, 2018
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 56% of students answer this correctly


ETearle

  • Member
  • Posts: 580
Reply 2 on: Jul 29, 2018
Excellent

Alyson.hiatt@yahoo.com

  • Member
  • Posts: 354
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Did you know?

Approximately 500,000 babies are born each year in the United States to teenage mothers.

Did you know?

Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

Did you know?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

Did you know?

For pediatric patients, intravenous fluids are the most commonly cited products involved in medication errors that are reported to the USP.

Adults in the middle-aged group (37–42 years) score higher on measures of generativity than either ... Adults in the middle-aged group (37–42 years) score higher on measures of generativity than either ...
How to solve an exponential decay problem involving first order decay How to solve an exponential decay problem involving first order decay
Subsurface mining takes place in underground tunnels Subsurface mining takes place in underground tunnels
Cycles in ice sheet growth and decay Cycles in ice sheet growth and decay
Population age 65 and over and age 85 and over, selected years 1900-2008 and projected 2010-2050. Population age 65 and over and age 85 and over, selected years 1900-2008 and projected 2010-2050.
Heart drawing by 6 years old Heart drawing by 6 years old
Video: Introduction to Breast Cancer

For a complete list of videos, visit our video library