Author Question: A particle with a charge of +4.0 C has a mass of 5.0 g. What magnitude electric field directed ... (Read 23 times)

Deast7027

  • Hero Member
  • *****
  • Posts: 538
A particle with a charge of +4.0 C has a mass of 5.0 g. What magnitude electric field directed upward will exactly balance the weight of the particle?
 
  A) 4.1  104 N/C
  B) 8.2  104 N/C
  C) 4.4  104 N/C
  D) 1.2  104 N/C
  E) 5.1  104 N/C

Question 2

A geophysicist measures the magnetic force on a proton that is moving vertically downward at a point 1.996 km/s at the earth's equator. At that location, the earth's magnetic magnetic field is horizontal and has a strength of 0.40  10-4 T.
 
  What are the magnitude and direction of the force she will measure? (e = 1.60  10-19 C)



chem1s3

  • Sr. Member
  • ****
  • Posts: 320
Answer to Question 1

D

Answer to Question 2

1.3  10-20 N, toward the east



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

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?

The use of salicylates dates back 2,500 years to Hippocrates’s recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

If you use artificial sweeteners, such as cyclamates, your eyes may be more sensitive to light. Other factors that will make your eyes more sensitive to light include use of antibiotics, oral contraceptives, hypertension medications, diuretics, and antidiabetic medications.

Did you know?

When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

For a complete list of videos, visit our video library