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

Author Question: Solve.A beam of light enters sea water with initial intensity I0. Its intensity at a depth of x ... (Read 145 times)

clmills979

  • Hero Member
  • *****
  • Posts: 551

Question 1

The half-life of an element is 4.9 × 108 yr.  How long does it take a sample of the element to decay to  of its original mass?  Express results in scientific notation, rounded to the nearest hundredth.
◦ 5.36 × 108 yr
◦ 6.48 × 108 yr
◦ 3.11 × 108 yr
◦ 1.09 × 108 yr

Question 2

Solve.

A beam of light enters sea water with initial intensity I0.  Its intensity at a depth of x meters is given by
 
 
What percentage of I0 remains at a depth of sea water of 1.5 meters?
◦ 11%
◦ 12.2%
◦ 87.8%
◦ 11.5%


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by clmills979 on Jun 16, 2021

kthug

  • Sr. Member
  • ****
  • Posts: 332
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 50% of students answer this correctly




clmills979

  • Member
  • Posts: 551
Reply 2 on: Jun 16, 2021
Gracias!


gcook

  • Member
  • Posts: 343
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

Though newer “smart” infusion pumps are increasingly becoming more sophisticated, they cannot prevent all programming and administration errors. Health care professionals that use smart infusion pumps must still practice the rights of medication administration and have other professionals double-check all high-risk infusions.

Did you know?

HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.

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?

In 2006, a generic antinausea drug named ondansetron was approved. It is used to stop nausea and vomiting associated with surgery, chemotherapy, and radiation therapy.

Did you know?

The human body produces and destroys 15 million blood cells every second.

For a complete list of videos, visit our video library