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

Author Question: A projectile is launched with initial velocity v0 at an angle of 30 above the horizontal. If a ... (Read 149 times)

formula1

  • Hero Member
  • *****
  • Posts: 666
A projectile is launched with initial velocity v0 at an angle of 30 above the horizontal. If a second projectile is launched with the same initial velocity but at angle of 60 above the horizontal.
 
  A) The range of the second projectile will be twice that of the first.
  B) The range of the second projectile will be 1.41 that of the first.
  C) The range of the second projectile will be one-half that of the first.
  D) The ranges of the two projectiles will be identical.
  E) It is impossible to compare the ranges of the two projectiles.

Question 2

Which of the following expression(s) represents the electrical energy stored by a capacitor?
 
  A) QV/2
  B) CV2/2
  C) Q2/2C
  D) All of the expressions are correct.
  E) None of the expressions is correct.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

fromAlphatoOmega22

  • Sr. Member
  • ****
  • Posts: 345
Answer to Question 1

D

Answer to Question 2

D




formula1

  • Member
  • Posts: 666
Reply 2 on: Jul 29, 2018
Gracias!


samiel-sayed

  • Member
  • Posts: 337
Reply 3 on: Yesterday
Great answer, keep it coming :)

 

Did you know?

Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.

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.

Did you know?

Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.

Did you know?

More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.

Did you know?

A serious new warning has been established for pregnant women against taking ACE inhibitors during pregnancy. In the study, the risk of major birth defects in children whose mothers took ACE inhibitors during the first trimester was nearly three times higher than in children whose mothers didn't take ACE inhibitors. Physicians can prescribe alternative medications for pregnant women who have symptoms of high blood pressure.

For a complete list of videos, visit our video library