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

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 192 times)

leilurhhh

  • Hero Member
  • *****
  • Posts: 560
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
Answer to Question 1

A

Answer to Question 2

A




leilurhhh

  • Member
  • Posts: 560
Reply 2 on: Jul 29, 2018
Gracias!


gcook

  • Member
  • Posts: 343
Reply 3 on: Yesterday
Great answer, keep it coming :)

 

Did you know?

When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

Did you know?

The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.

Did you know?

Most strokes are caused when blood clots move to a blood vessel in the brain and block blood flow to that area. Thrombolytic therapy can be used to dissolve the clot quickly. If given within 3 hours of the first stroke symptoms, this therapy can help limit stroke damage and disability.

Did you know?

The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.

Did you know?

Famous people who died from poisoning or drug overdose include, Adolf Hitler, Socrates, Juan Ponce de Leon, Marilyn Monroe, Judy Garland, and John Belushi.

For a complete list of videos, visit our video library