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

Author Question: A car travels around an oval racetrack at constant speed. The car is accelerating a. at ... (Read 702 times)

joesmith1212

  • Hero Member
  • *****
  • Posts: 549
on: Jul 28, 2018

A car travels around an oval racetrack at constant speed. The car is accelerating
 
   


   
  a.
  at all points except B and D.
   
  b.
  at all points except A and C.
   
  c.
  at all points except A, B, C, and D.
   
  d.
  everywhere, including points A, B, C, and D.
   
  e.
  nowhere, because it is traveling at constant speed.

Question 2

Two balls, projected at different times so they don't collide, have trajectories A and B, as shown below.
 
   
 
   Which statement is correct?


   
  a.
  v0B must be greater than v0A.
   
  b.
  Ball A is in the air for a longer time than ball B.
   
  c.
  Ball B is in the air for a longer time than ball A.
   
  d.
  Ball B has a greater acceleration than ball A.
   
  e.
  Ball A has a greater acceleration than ball B.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

huda

  • Sr. Member
  • ****
  • Posts: 304
Reply #1 on: Jul 28, 2018
Answer to Question 1

d

Answer to Question 2

c


joesmith1212

  • Hero Member
  • *****
  • Posts: 549
Reply #2 on: Jul 28, 2018
Both answers were spot on, thank you once again


huda

  • Sr. Member
  • ****
  • Posts: 304
Reply #3 on: Jul 28, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.

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?

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?

The average adult has about 21 square feet of skin.

Did you know?

The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

Lioness in a burst of speed while hunting in the Serengeti Lioness in a burst of speed while hunting in the Serengeti
Calcium channels and muscle contraction: (a) Calcium channels open as the action potential travels ... Calcium channels and muscle contraction: (a) Calcium channels open as the action potential travels ...
A steady needle reading that drops 2 or 3 inches Hg when the engine speed is increased slightly ... A steady needle reading that drops 2 or 3 inches Hg when the engine speed is increased slightly ...
All fuel injectors should make the same sound with the engine running at idle speed. A lack of sound ... All fuel injectors should make the same sound with the engine running at idle speed. A lack of sound ...
How to find the constant (C) after finding the anti-derivative How to find the constant (C) after finding the anti-derivative
Speed of Convergence to the Steady State Speed of Convergence to the Steady State
Video: Global warming and its effect on climate change

For a complete list of videos, visit our video library