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

Author Question: A particle moves along a path and its speed increases. In which of the following cases are its ... (Read 74 times)

RRMR

  • Hero Member
  • *****
  • Posts: 557
on: Jul 28, 2018
A particle moves along a path and its speed increases. In which of the following cases are its acceleration and velocity vectors parallel?
  1.when the path is a parabola
  2.when the path is straight
  3.when the path is circular
  4.never

Question 2

Rank the launch angles for the five paths in the figure below with respect to the time of flight, from the shortest time of flight to the longest.
 


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

polinasid

  • Sr. Member
  • ****
  • Posts: 344
Reply #1 on: Jul 28, 2018
Answer to Question 1

2

Answer to Question 2

3


RRMR

  • Hero Member
  • *****
  • Posts: 557
Reply #2 on: Jul 28, 2018
Thanks


polinasid

  • Sr. Member
  • ****
  • Posts: 344
Reply #3 on: Jul 28, 2018
Welcome :)


« previous next »
 

Did you know?

Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.

Did you know?

The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.

Did you know?

One way to reduce acid reflux is to lose two or three pounds. Most people lose weight in the belly area first when they increase exercise, meaning that heartburn can be reduced quickly by this method.

Did you know?

Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.

Did you know?

Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.

The rapid speed of cAMP production The rapid speed of cAMP production
The path of sound waves through the outer, middle, and inner ear. The path of sound waves through the outer, middle, and inner ear.
gold nano-particle gold nano-particle
Adding additional amounts of ethyl alcohol (ethanol) increases the frequency reading. Adding additional amounts of ethyl alcohol (ethanol) increases the frequency reading.
The vehicle’s fuel pump is disabled by removing its relay or fuse. In some cases, it may be ... The vehicle’s fuel pump is disabled by removing its relay or fuse. In some cases, it may be ...
Dose-response relationship. As the dose of a drug increases, a maximal response or plateau is ... Dose-response relationship. As the dose of a drug increases, a maximal response or plateau is ...
Video: Oral Hygiene & Braces Animation

For a complete list of videos, visit our video library