« previous next »

Author Question: A car traveling with velocity v is decelerated by a constant acceleration of magnitude a. It takes a ... (Read 101 times)

ENagel

  • Hero Member
  • *****
  • Posts: 540
on: Jul 29, 2018
A car traveling with velocity v is decelerated by a constant acceleration of magnitude a. It takes a time t to come to rest. If its initial velocity were doubled, the time required to stop would
 
  A) double as well.
  B) decrease by a factor of two.
  C) stay the same.
  D) quadruple.
  E) decrease by a factor of four.

Question 2

A car traveling with velocity v is decelerated by a constant acceleration of magnitude a. It travels a distance d before coming to rest. If its initial velocity were doubled, the distance required to stop would
 
  A) double as well.
  B) decrease by a factor of two.
  C) stay the same.
  D) quadruple.
  E) decrease by a factor of four.


kalskdjl1212

  • Sr. Member
  • ****
  • Posts: 353
Reply #1 on: Jul 29, 2018
Answer to Question 1

A

Answer to Question 2

D


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Signs and symptoms that may signify an eye tumor include general blurred vision, bulging eye(s), double vision, a sensation of a foreign body in the eye(s), iris defects, limited ability to move the eyelid(s), limited ability to move the eye(s), pain or discomfort in or around the eyes or eyelids, red or pink eyes, white or cloud spots on the eye(s), colored spots on the eyelid(s), swelling around the eyes, swollen eyelid(s), and general vision loss.

Did you know?

Individuals are never “cured” of addictions. Instead, they learn how to manage their disease to lead healthy, balanced lives.

Did you know?

Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.

Did you know?

Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

Did you know?

Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

Bronfenbrenner’s model of the ecological-systems approach to studying development. He suggested that Bronfenbrenner’s model of the ecological-systems approach to studying development. He suggested that
Air flows through the PCV valve during acceleration and when the engine is under a heavy load. Air flows through the PCV valve during acceleration and when the engine is under a heavy load.
If a meteor (148 kg) is moving with a velocity of 112 m/s , and breaks into two parts, where ... If a meteor (148 kg) is moving with a velocity of 112 m/s , and breaks into two parts, where ...
Calculate the magnitude and direction of the resultant for Calculate the magnitude and direction of the resultant for
Vector has a magnitude of 5.5 cm and points along the x-axis. Vector has a magnitude of ... Vector has a magnitude of 5.5 cm and points along the x-axis. Vector has a magnitude of ...
The charge for telephone calls T is partly constant and partly varies with the number N of ... The charge for telephone calls T is partly constant and partly varies with the number N of ...
Video: Central Nervous System Animation

For a complete list of videos, visit our video library