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

Author Question: How much energy is necessary to place three charges, each of 2.0 C, at the corners of an equilateral ... (Read 44 times)

jman1234

  • Hero Member
  • *****
  • Posts: 560
on: Jul 27, 2018
How much energy is necessary to place three charges, each of 2.0 C, at the corners of an equilateral triangle of side 2.0 cm?
 
  What will be an ideal response?

Question 2

A basketball is thrown with a velocity of 20. m/s at an angle of 60. above the horizontal. What is the horizontal component of its instantaneous velocity at the exact top of its trajectory? (Neglect air friction.)
 
  A) 10. m/s
  B) zero
  C) 20. m/s
  D) 17.3 m/s
  E) 20. tan(60) m/s


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

frejo

  • Sr. Member
  • ****
  • Posts: 349
Reply #1 on: Jul 27, 2018
Answer to Question 1

5.4 J

Answer to Question 2

A


jman1234

  • Member
  • Posts: 560
Reply 2 on: Jul 27, 2018
YES! Correct, THANKS for helping me on my review

xoxo123

  • Member
  • Posts: 335
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

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?

Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

Did you know?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

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?

There are approximately 3 million unintended pregnancies in the United States each year.

Filter in the vena cava prevents an embolus from traveling to the heart, lungs, or brain; A, Greenfi Filter in the vena cava prevents an embolus from traveling to the heart, lungs, or brain; A, Greenfi
Sources of Energy in the United States Sources of Energy in the United States
Energy Energy
Renewable Energy Efforts Renewable Energy Efforts
The growth in demand for energy use is met by burning fossil fuels The growth in demand for energy use is met by burning fossil fuels
Hydrogen burns to produce energy and water Hydrogen burns to produce energy and water
Video: Introduction to Eating Disorders

For a complete list of videos, visit our video library