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 33 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
Thanks for the timely response, appreciate it

mcabuhat

  • Member
  • Posts: 344
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Did you know?

IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

Did you know?

Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.

Did you know?

Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.

Did you know?

Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.

A Golden Retriever at 12 years old A Golden Retriever at 12 years old
Uranus revolves around the Sun once every 84 Earth years. Its average distance from the Sun is rough Uranus revolves around the Sun once every 84 Earth years. Its average distance from the Sun is rough
The cranium of early African H. erectus KNM-ER 3733 is nearly 1.8 million years old. The cranium of early African H. erectus KNM-ER 3733 is nearly 1.8 million years old.
Discovery of nonsense-mediated mRNA decay (NMD). Discovery of nonsense-mediated mRNA decay (NMD).
Epiphyseal Plate in Long Bone Adolescent bone growth takes place along the epiphyseal plate Epiphyseal Plate in Long Bone Adolescent bone growth takes place along the epiphyseal plate
Beak size in finches during dry years increases because of strong selection Beak size in finches during dry years increases because of strong selection
Video: Ear Animation

For a complete list of videos, visit our video library