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

Author Question: A thin copper rod 1.00 m long has a mass of 50.0 g. What is the minimum current in the rod that ... (Read 55 times)

asan beg

  • Hero Member
  • *****
  • Posts: 570
A thin copper rod 1.00 m long has a mass of 50.0 g. What is the minimum current in the rod that would allow it to levitate above the ground in a magnetic field of magnitude 0.100 T?
  1.1.20 A
  2.2.40 A
  3.4.90 A
  4.9.80 A
  5.none of those answers

Question 2

It is July and you are in your hometown. As you travel northward toward the north pole, how does the number of daylight hours vary? How does the number of daylight hours vary as you travel southward toward the south pole?



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

scrocafella

  • Sr. Member
  • ****
  • Posts: 346
Answer to Question 1

3

Answer to Question 2

The number of daylight hours increases as you travel northward. As you travel
southward the number of daylight hours decreases.





 

Did you know?

In inpatient settings, adverse drug events account for an estimated one in three of all hospital adverse events. They affect approximately 2 million hospital stays every year, and prolong hospital stays by between one and five days.

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

Did you know?

Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.

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?

Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.

For a complete list of videos, visit our video library