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

Author Question: What mass of 14C (having a half-life of 5730 years) do you need to provide a decay rate of 280.0 Bq? ... (Read 191 times)

leilurhhh

  • Hero Member
  • *****
  • Posts: 560
on: Jul 29, 2018
What mass of 14C (having a half-life of 5730 years) do you need to provide a decay rate of 280.0 Bq? (1 u = 1.6605  10-27 kg)
 
  A) 1.70  10-12 kg
  B) 5.38  10-19 kg
  C) 3.84  10-20 kg
  D) 8.68  10-13 kg

Question 2

A very long thin wire produces a magnetic field of 0.0050  10-4 T at a distance of 3.0 mm. from the central axis of the wire. What is the magnitude of the current in the wire? (0 = 4  10-7 T  m/
 
  A)
  A) 7.5 mA
  B) 1.7 mA
  C) 3300 mA
  D) 24,000 mA


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

lkoler

  • Sr. Member
  • ****
  • Posts: 358
Reply #1 on: Jul 29, 2018
Answer to Question 1

A

Answer to Question 2

A


leilurhhh

  • Member
  • Posts: 560
Reply 2 on: Jul 29, 2018
Great answer, keep it coming :)

FergA

  • Member
  • Posts: 352
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

Did you know?

Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

Did you know?

Recent studies have shown that the number of medication errors increases in relation to the number of orders that are verified per pharmacist, per work shift.

Did you know?

Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.

Did you know?

Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.

Cranial capacity has increased approximately fourfold over the last 3.5 million years of hominin evo Cranial capacity has increased approximately fourfold over the last 3.5 million years of hominin evo
Major Findings of the High Scope Preschool Study High Scope participants showed better academic per Major Findings of the High Scope Preschool Study High Scope participants showed better academic per
The second half of life brings a change from outward to inward concerns and from physical to ... The second half of life brings a change from outward to inward concerns and from physical to ...
Factors Affecting the Environmental Lapse Rate (ELR): Heating or Cooling of the Lower Atmosphere Factors Affecting the Environmental Lapse Rate (ELR): Heating or Cooling of the Lower Atmosphere
He element M forms the chloride MCl4 containing 75.0% Cl by mass. What is the atomic weight of ... He element M forms the chloride MCl4 containing 75.0% Cl by mass. What is the atomic weight of ...
Life cycle of a Plasmodium species that causes malaria Life cycle of a Plasmodium species that causes malaria
Video: Energy sources - types

For a complete list of videos, visit our video library