« previous next »

Author Question: The figure shows the position of an object (moving along a straight line) as a function of time. ... (Read 241 times)

luminitza

  • Hero Member
  • *****
  • Posts: 555
on: Jul 29, 2018
The figure shows the position of an object (moving along a straight line) as a function of time. Assume two significant figures in each number. Which of the following statements about this object is true over the interval shown?
 
  A) The object is accelerating to the left.
  B) The object is accelerating to the right.
  C) The acceleration of the object is in the same direction as its velocity.
  D) The average speed of the object is 1.0 m/s.

Question 2

The motions of a car and a truck along a straight road are represented by the velocity-time graphs in the figure. The two vehicles are initially alongside each other at time t = 0. At time T, what is true about these two vehicles since time t = 0?
 
  A) The truck will have traveled further than the car.
  B) The car will have traveled further than the truck.
  C) The truck and the car will have traveled the same distance.
  D) The car will be traveling faster than the truck.


yotaSR5

  • Sr. Member
  • ****
  • Posts: 331
Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: A

Answer to Question 2

Answer: A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

luminitza

  • Hero Member
  • *****
  • Posts: 555
Reply #2 on: Jul 29, 2018
Thanks


yotaSR5

  • Sr. Member
  • ****
  • Posts: 331
Reply #3 on: Jul 29, 2018
Welcome :)


« previous next »
 

Did you know?

The top five reasons that children stay home from school are as follows: colds, stomach flu (gastroenteritis), ear infection (otitis media), pink eye (conjunctivitis), and sore throat.

Did you know?

There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

Did you know?

To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.

Did you know?

Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.

Did you know?

Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.

The Serial Position Effect The Serial Position Effect
Changes in Time Spent with Family Members Changes in Time Spent with Family Members
An EGR valve position sensor on top of an EGR valve. An EGR valve position sensor on top of an EGR valve.
Histone and pol II CTD modifications as a function of gene position Histone and pol II CTD modifications as a function of gene position
How to reflect a sinusoidal function across the x-axis (y=a*sin⁡b(x−c)+d) How to reflect a sinusoidal function across the x-axis (y=a*sin⁡b(x−c)+d)
Comparison of loss- and gain-of-function alleles Comparison of loss- and gain-of-function alleles
Video: Labor and Childbirth - The Three Stages of Labor: Dilation, Expulsion & Placental مراحل الولادة

For a complete list of videos, visit our video library