« previous next »

Author Question: Which of the following makes an approximate uniform electric field? A) a metal charged sphere B) ... (Read 86 times)

shenderson6

  • Hero Member
  • *****
  • Posts: 573
on: Jul 27, 2018
Which of the following makes an approximate uniform electric field?
 
  A) a metal charged sphere
  B) a metal charged cylinder
  C) a very long line of positive charge
  D) very large, closely separated, parallel oppositely charged plates
  E) two long parallel, closely separated, oppositely charged lines of charge

Question 2

A 0.32 kg ball is moving horizontally 30. m/s just before bouncing off a wall, thereafter moving 25. m/s in the opposite direction.
 
  (a) What is the magnitude of its change in momentum?
  (b) What percentage of the kinetic energy was lost in the collision?


Sassygurl126

  • Sr. Member
  • ****
  • Posts: 320
Reply #1 on: Jul 27, 2018
Answer to Question 1

D

Answer to Question 2

(a) 18. N-s
(b) 31. lost


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Cutaneous mucormycosis is a rare fungal infection that has been fatal in at least 29% of cases, and in as many as 83% of cases, depending on the patient's health prior to infection. It has occurred often after natural disasters such as tornados, and early treatment is essential.

Did you know?

Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.

Did you know?

Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.

Did you know?

Illness; diuretics; laxative abuse; hot weather; exercise; sweating; caffeine; alcoholic beverages; starvation diets; inadequate carbohydrate consumption; and diets high in protein, salt, or fiber can cause people to become dehydrated.

Did you know?

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

Preparation of sterile field 1 Preparation of sterile field 1
Field research on free-living primates allows primatologists to study patterns of behavior in the se Field research on free-living primates allows primatologists to study patterns of behavior in the se
For some Americans, religion is an “easy-going, makes-little-difference” matter, as expressed in ... For some Americans, religion is an “easy-going, makes-little-difference” matter, as expressed in ...
A typical electric cooling fan assembly after being removed from the vehicle. A typical electric cooling fan assembly after being removed from the vehicle.
Alternative method of testing cardinal field of gaze Alternative method of testing cardinal field of gaze
Video: Physiology of Asthma

For a complete list of videos, visit our video library