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 117 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
Excellent

kswal303

  • Member
  • Posts: 316
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Women are 50% to 75% more likely than men to experience an adverse drug reaction.

Did you know?

Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

Did you know?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

Did you know?

Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.

Did you know?

According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.

Changes in the abundance and egg-hatching success rate of prairie chickens. Changes in the abundance and egg-hatching success rate of prairie chickens.
Mass Loss by a Supermassive Star Mass Loss by a Supermassive Star
Life cycle of norepinephrine (NE): (1) NE is synthesized from the amino acid tyrosine; (2) NE is ... Life cycle of norepinephrine (NE): (1) NE is synthesized from the amino acid tyrosine; (2) NE is ...
Air-mass thunderstorms—mT air masses Air-mass thunderstorms—mT air masses
Charlie Stone wants to retire in 30 years, and he wants to have an annuity of $1000 a year for ... Charlie Stone wants to retire in 30 years, and he wants to have an annuity of $1000 a year for ...
Video: Cellular slime mold life cycle Animation

For a complete list of videos, visit our video library